Peanut Butter
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Peanut butter is a food paste or
spread Spread may refer to: Places * Spread, West Virginia Arts, entertainment, and media * ''Spread'' (film), a 2009 film. * ''$pread'', a quarterly magazine by and for sex workers * "Spread", a song by OutKast from their 2003 album ''Speakerboxxx/T ...
made from ground, dry-roasted
peanut The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible Seed, seeds. It is widely grown in the tropics and subtropics, important to both small ...
s. It commonly contains additional ingredients that modify the taste or texture, such as salt, sweeteners, or
emulsifier An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids. Altho ...
s. Peanut butter is consumed in many countries. The United States is a leading exporter of peanut butter and one of the largest consumers of peanut butter annually
per capita ''Per capita'' is a Latin phrase literally meaning "by heads" or "for each head", and idiomatically used to mean "per person". The term is used in a wide variety of social sciences and statistical research contexts, including government statistic ...
. January 24 is National Peanut Butter Day in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. Peanut butter is a
nutrient A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists. Nutrients can be incorporated into cells for metabolic purposes or excret ...
-rich food containing high levels of
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
, several
vitamin A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an Nutrient#Essential nutrients, essential micronutrient that an organism needs in small quantities for the proper functioning of its ...
s, and dietary minerals. It is typically served as a spread on bread, toast, or crackers, and used to make sandwiches (notably the
peanut butter and jelly sandwich A peanut butter and jelly sandwich (PB&J) consists of peanut butter and fruit preserves—jelly—spread on bread. The sandwich may be open-faced, made of a single slice of bread folded over, or made using two slices of bread. The sa ...
). It is also used in a number of
breakfast dishes Breakfast is the first meal of the day usually eaten in the morning. The word in English refers to breaking the fasting period of the previous night.Anderson, Heather Arndt (2013)''Breakfast: A History'' AltaMira Press. Various "typical" or "t ...
and
desserts Dessert is a course that concludes a meal. The course consists of sweet foods, such as confections, and possibly a beverage such as dessert wine and liqueur. In some parts of the world, such as much of Greece and West Africa, and most parts of ...
, such as
granola Granola is a breakfast and snack food consisting of rolled oats, nuts, honey or other sweeteners such as brown sugar, and sometimes puffed rice, that is usually baked until crisp, toasted and golden brown. The mixture is stirred while baking ...
,
smoothie A smoothie is a beverage made by puréeing ingredients in a blender. A smoothie commonly has a liquid base, such as fruit juice or milk, yogurt, ice cream or cottage cheese. Other ingredients may be added, including fruits, vegetables, non-dai ...
s, crepes,
cookies A cookie is a baked or cooked snack or dessert that is typically small, flat and sweet. It usually contains flour, sugar, egg, and some type of oil, fat, or butter. It may include other ingredients such as raisins, oats, chocolate chips, nuts ...
, brownies, or
croissant A croissant is a buttery, flaky, Austrian viennoiserie pastry inspired by the shape of the Austrian kipferl but using the French yeast-leavened laminated dough. Croissants are named for their historical crescent shape, the dough is layered wi ...
s. It is similar to other
nut butter A nut butter is a spreadable foodstuff made by grinding nuts into a paste. The result has a high fat content and can be spread like true butter, but is otherwise unrelated. Nut butters include: * Acorn butter * Almond butter * Cashew butter ...
s such as
cashew butter Cashew butter is a food spread made from baked or roasted cashews. It is rich and creamy in flavour and when stored the oils and solids separate easily. Cashew butter is high in protein, unsaturated fats and Vitamin B. One tablespoon of unsalted ...
and
almond butter Almond butter is a food paste made from grinding almonds into a nut butter. Almond butter may be "crunchy" or "smooth", and is generally "stir" (susceptible to oil separation) or "no-stir" (emulsified). Almond butter may be either raw or roasted, ...
.


History

The earliest references to peanut butter can be traced to
Aztec The Aztecs () were a Mesoamerican culture that flourished in central Mexico in the post-classic period from 1300 to 1521. The Aztec people included different Indigenous peoples of Mexico, ethnic groups of central Mexico, particularly those g ...
civilization, who ground roasted peanuts into a paste. However, several people can be credited with the invention of modern peanut butter and the processes involved in making it. The US National Peanut Board credits three modern inventors with the earliest patents related to the production of modern peanut butter.
Marcellus Gilmore Edson Marcellus Gilmore Edson (February 7, 1849 – March 6, 1940) was a Canadian chemist and pharmacist. In 1884, he patented a way to make peanut paste, an early version of peanut butter. Biography Marcellus Gilmore Edson was born at Bedford in Q ...
of
Montreal Montreal ( ; officially Montréal, ) is the List of the largest municipalities in Canada by population, second-most populous city in Canada and List of towns in Quebec, most populous city in the Provinces and territories of Canada, Canadian ...
, Quebec, Canada, obtained the first patent for a method of producing peanut butter from roasted peanuts using heated surfaces in 1884. Edson's cooled product had "a consistency like that of
butter Butter is a dairy product made from the fat and protein components of churned cream. It is a semi-solid emulsion at room temperature, consisting of approximately 80% butterfat. It is used at room temperature as a spread, melted as a condiment ...
,
lard Lard is a semi-solid white fat product obtained by rendering the fatty tissue of a pig.Lard
entry in the o ...
, or ointment" according to his patent application which described a process of milling roasted
peanut The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible Seed, seeds. It is widely grown in the tropics and subtropics, important to both small ...
s until the peanuts reached "a fluid or semi-fluid state". He mixed sugar into the paste to harden its consistency. A businessman from
St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...
named George Bayle produced and sold peanut butter in the form of a snack food in 1894. By 1917, American consumers used peanut products during periods of meat rationing, with government promotions of "
meatless Monday Meatless Monday is an international campaign that encourages people to not eat meat on Mondays to improve their Health effects of meat consumption, health and the Environmental effects of meat production, health of the planet. Meatless Monday is ...
s" when peanut butter was a favored choice.
John Harvey Kellogg John Harvey Kellogg (February 26, 1852 – December 14, 1943) was an American medical doctor, nutritionist, inventor, health activist, eugenicist, and businessman. He was the director of the Battle Creek Sanitarium in Battle Creek, Michigan. The ...
, known for his line of prepared
breakfast cereal Cereal, formally termed breakfast cereal (and further categorized as cold cereal or warm cereal), is a traditional breakfast food made from processed cereal grains. It is traditionally eaten as part of breakfast, or a snack food, primarily in ...
s, was an advocate of using plant foods as a healthier dietary choice than
meat Meat is animal flesh that is eaten as food. Humans have hunted, farmed, and scavenged animals for meat since prehistoric times. The establishment of settlements in the Neolithic Revolution allowed the domestication of animals such as chic ...
. He was issued a patent for a "Process of Producing Alimentary Products" in 1898, and used peanuts, although he boiled the peanuts rather than roasting them. Kellogg's Western Health Reform Institute served peanut butter to patients because they needed a food that contained a lot of
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
that could be eaten without chewing. At first, peanut butter was a food for wealthy people, as it became popular initially as a product served at expensive health care institutes. Although often credited with its invention, George Washington Carver did not invent peanut butter. By the time Carver published his document about peanuts, entitled "How to Grow the Peanut and 105 Ways of Preparing it For Human Consumption" in 1916, many methods of preparation of peanut butter had already been developed or patented by various pharmacists, doctors, and food scientists working in the US and Canada. Early peanut-butter-making machines were developed by Joseph Lambert, who had worked at John Harvey Kellogg's Battle Creek Sanatorium, and Dr. Ambrose Straub who obtained a patent for a peanut-butter-making machine in 1903. "In 1922, chemist Joseph Rosefield invented a process for making smooth peanut butter that kept the oil from separating by using partially hydrogenated oil; Rosefield "...licensed his invention to the company that created
Peter Pan Peter Pan is a fictional character created by List of Scottish novelists, Scottish novelist and playwright J. M. Barrie. A free-spirited and mischievous young boy who can fly and Puer aeternus, never grows up, Peter Pan spends his never-ending ...
peanut butter" in 1928 and in "...1932 he began producing his own peanut butter under the name Skippy". Under the Skippy brand, Rosefield developed a new method of churning creamy peanut butter, giving it a smoother consistency. He also mixed fragments of peanut into peanut butter, creating the first "chunky"-style peanut butter. In 1955,
Procter & Gamble The Procter & Gamble Company (P&G) is an American multinational consumer goods corporation headquartered in Cincinnati, Ohio, founded in 1837 by William Procter and James Gamble. It specializes in a wide range of personal health/consumer hea ...
launched a peanut butter named Jif, which was sweeter than other brands, due to the use of "sugar and molasses" in its recipe. A
slang Slang is vocabulary (words, phrases, and linguistic usages) of an informal register, common in spoken conversation but avoided in formal writing. It also sometimes refers to the language generally exclusive to the members of particular in-gro ...
term for peanut butter in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
was "monkey butter". In
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
, one of the countries where peanut butter is produced and consumed, the first peanut butter was produced in 1926 by Alderton Limited in
Mokopane Mokopane, also known as Potgietersrus, is a town in the Limpopo province of South Africa. The town name was changed to Mokopane in 2003 in honour of a local Ma Nrebele leader, King Mghombane Gheghana , who ruled the area before being conquered ...
(then called Potgietersrus), presumably under the brand name Black Cat. The product proved so popular that Tiger Brands (then Tiger Oats Company) took over the manufacture of Black Cat. The company still produces peanut butter under the brand name Black Cat. In
Afrikaans Afrikaans (, ) is a West Germanic language that evolved in the Dutch Cape Colony from the Dutch vernacular of Holland proper (i.e., the Hollandic dialect) used by Dutch, French, and German settlers and their enslaved people. Afrikaans gra ...
, (peanut butter) is also colloquially called (kitten butter); it is undetermined if Black Cat is the basis for the latter name. A related dish named ''pinda-käse'' (peanut cheese) existed in
Suriname Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...
by 1783. This was more solid than modern peanut butter, and could be cut and served in slices like cheese. ''Pinda bravoe'', a soup-like peanut based dish, also existed in Suriname around that time. Modern peanut butter is still referred to as "''pindakaas''" (peanut cheese) in Dutch for this reason, Suriname having been a Dutch colony at that time. When peanut butter was brought onto the market in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
by Calvé in 1948, it was not allowed to do so under the name "peanut butter". The name "butter" was specifically defined for real butter, to avoid confusion with margarine.


Types

Among the types of peanut butter are ''conventional'' peanut butter, which consists of up to 10% salt, sugars, and hydrogenated vegetable oil. ''Crunchy'' peanut butter conains some coarsely-ground peanut fragments included to give extra texture. The peanuts in ''smooth'' peanut butter are ground uniformly, possibly with the addition of
corn syrup Corn syrup is a food syrup which is made from the starch of corn (called maize in many countries) and contains varying amounts of sugars: glucose, maltose and higher oligosaccharides, depending on the grade. Corn syrup is used in foods to softe ...
and
vegetable oil Vegetable oils, or vegetable fats, are oils extracted from seeds or from other parts of fruits. Like animal fats, vegetable fats are ''mixtures'' of triglycerides. Soybean oil, grape seed oil, and cocoa butter are examples of seed oils, or fat ...
, to create a thick, creamy texture like butter. ''Natural'' peanut butter normally contains only peanuts and salt and is sold without
emulsifier An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids. Altho ...
s that bind the peanut oils with the peanut paste, and so requires stirring after separation to recombine the ingredients before consumption. ''Organic'' and ''artisanal'' peanut butters are available, but their markets are small. Artisanal peanut butter is usually preservative-free, additive-free, and handmade in a
cottage industry The putting-out system is a means of subcontracting work. Historically, it was also known as the workshop system and the domestic system. In putting-out, work is contracted by a central agent to subcontractors who complete the project via remote ...
-style setup used first around 1970.


Production process


Planting and harvesting

Due to weather conditions, peanuts are usually planted in
spring Spring(s) may refer to: Common uses * Spring (season) Spring, also known as springtime, is one of the four temperate seasons, succeeding winter and preceding summer. There are various technical definitions of spring, but local usage of ...
. The
peanut The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible Seed, seeds. It is widely grown in the tropics and subtropics, important to both small ...
comes from a yellow flower that bends over and penetrates the soil after blooming and wilting, and the peanut starts to grow in the soil. Peanuts are harvested from late August to October, while the weather is clear. This weather allows for dry soil so that when picked, the soil does not stick to the stems and pods. The peanuts are then removed from
vine A vine (Latin ''vīnea'' "grapevine", "vineyard", from ''vīnum'' "wine") is any plant with a growth habit of trailing or scandent (that is, climbing) stems, lianas or runners. The word ''vine'' can also refer to such stems or runners themselv ...
s and transported to a peanut shelling machine for mechanical
drying Drying is a mass transfer process consisting of the removal of water or another solvent by evaporation from a solid, semi-solid or liquid. This process is often used as a final production step before selling or packaging products. To be consider ...
. After cropping, the peanuts are delivered to
warehouse A warehouse is a building for storing goods. Warehouses are used by manufacturers, importers, exporters, wholesalers, transport businesses, customs, etc. They are usually large plain buildings in industrial parks on the outskirts of cities ...
s for cleaning, where they are stored unshelled in silos.


Shelling

Shelling must be conducted carefully lest the seeds be damaged during the removal of the shell. The moisture of the unshelled peanuts is controlled to avoid excessive frangibility of the shells and kernels, which in turn, reduces the amount of dust present in the plant. After, the peanuts are sent to a series of rollers set specifically for the batch of peanuts, where they are cracked. After cracking, the peanuts go through a screening process where they are inspected for
contaminants Contamination is the presence of a constituent, impurity, or some other undesirable element that spoils, corrupts, infects, makes unfit, or makes inferior a material, physical body, natural environment, workplace, etc. Types of contamination ...
.


Roasting

The
dry roasting Dry roasting is a process by which heat is applied to dry foodstuffs without the use of oil or water as a carrier. Unlike other dry heat methods, dry roasting is used with foods such as nuts and seeds, in addition to some eaten insects such as ...
process employs either the batch or continuous method. In the batch method, peanuts are heated in large quantities in a revolving
oven upA double oven A ceramic oven An oven is a tool which is used to expose materials to a hot environment. Ovens contain a hollow chamber and provide a means of heating the chamber in a controlled way. In use since antiquity, they have been us ...
at about . Next, the peanuts in each batch are uniformly held and roasted in the oven at for about 40 to 60 minutes. This method is good to use when the peanuts differ in moisture content. In the continuous method, a hot air roaster is employed. The peanuts pass through the roaster whilst being rocked to permit even roasting. A
photometer A photometer is an instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. Most photometers convert light into an electric current using a photoresistor, ...
indicates the completion of dry roasting. This method is favored by large manufacturers since it can lower the rate of spoilage and requires less labor.


Cooling

After dry roasting, peanuts are removed from the oven as quickly as possible and directly placed in a blower-cooler cylinder. There are suction fans in the metal cylinder that can pull a large volume of air through, so the peanuts can be cooled more efficiently. The peanuts will not be dried out because
cooling Cooling is removal of heat, usually resulting in a lower temperature and/or phase change. Temperature lowering achieved by any other means may also be called cooling.ASHRAE Terminology, https://www.ashrae.org/technical-resources/free-resources/as ...
can help retain some oil and moisture. The cooling process is completed when the temperature in the cylinder reaches .


Blanching

After the kernels have been cooled down, the peanuts will undergo either heat
blanching Blanch or blanching may refer to: People * Andrea Blanch (born 1935), portrait, commercial, and fine art photographer * Arnold Blanch (1896–1968), born and raised in Mantorville, Minnesota * Stuart Blanch, Baron Blanch (1918–1994), Anglican bi ...
or water blanching to remove the remaining
seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...
coats. Compared to heat blanching, water blanching is a new process. Water blanching first appeared in 1949.


Heat blanching

Peanuts are heated by hot air at for not more than 20 minutes in order to soften and split the skins. After that, the peanuts are exposed to continuous
steam Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization ...
in a blanching machine. The skins are then removed using either bristles or soft rubber belts. After that, these skins are separated and blown into waste bags. Meanwhile, the hearts of peanuts are segregated through inspection.


Water blanching

After the kernels are arranged in troughs, the skin of the kernel is cracked on opposite sides by rolling it through sharp stationary blades. While the skins are removed, the kernels are brought through a one-minute hot water bath and placed on a swinging pad with canvas on top. The swinging action of the pad rubs off the skins. Afterward, the blanched kernels are dried for at least six hours by hot air at . After blanching, the peanuts are screened and inspected to eliminate the burnt and rotten peanuts. A blower is also used to remove light peanuts and discolored peanuts are removed using a color sorting machine.


Grinding

After blanching the peanuts are sent to grinding to be
manufactured Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation. It is the essence of secondary sector of the economy. The term may refer to a ran ...
into peanut butter. The peanuts are then sent through two sizes of grinders. The first grinder produces a medium grind, and the second produces a fine grind. At this point, salt, sugar and a vegetable oil stabilizer are added to the fine grind to produce the peanut butter. This adds flavor and allows the peanut butter to stay as a
homogeneous Homogeneity and heterogeneity are concepts often used in the sciences and statistics relating to the uniformity of a substance or organism. A material or image that is homogeneous is uniform in composition or character (i.e. color, shape, siz ...
mixture. Chopped peanuts may also be added at this stage to produce "chunky" peanut butter.


Packaging

Before packaging, the peanut butter must first be cooled in order to be sealed in jars. The mixture is pumped into a heat exchanger in order to cool it to about . Once cool, the peanut butter is pumped into jars and vacuum-sealed, a process which removes air and deoxygenates the peanut butter to inhibit its
oxidation Redox (reduction–oxidation, , ) is a type of chemical reaction in which the oxidation states of substrate change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a d ...
. The jars are then labeled and set aside until crystallization occurs. The peanut butter jars are then packaged into cartons distributed to
retail Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly or through a wholesaler, and t ...
ers, where they are stored at room temperature and sold to consumers. A 2012 article stated that "China and India are the first and second-largest producers, respectively", of peanuts. The United States of America "...is the third-largest producer of peanuts (Georgia and Texas are the two major peanut-producing states)" and "more than half of the American peanut crop goes into making peanut butter."


Consumption

According to Jon Krampner’s 2013 book on peanut butter,
per capita ''Per capita'' is a Latin phrase literally meaning "by heads" or "for each head", and idiomatically used to mean "per person". The term is used in a wide variety of social sciences and statistical research contexts, including government statistic ...
consumption of peanut butter in Canada and the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
the largest consumer per capita in Europe exceeded that in the United States. In March 2020 during the
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identif ...
, retail sales of peanut butter in the United States increased by 75% over the level in March 2019.


Health


Nutritional profile

In a 100 gram amount, smooth peanut butter supplies 597
Calories The calorie is a unit of energy. For historical reasons, two main definitions of "calorie" are in wide use. The large calorie, food calorie, or kilogram calorie was originally defined as the amount of heat needed to raise the temperature of on ...
and is composed of 51%
fat In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food. The term often refers spec ...
, 22%
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
, 22%
carbohydrate In organic chemistry, a carbohydrate () is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula (where ''m'' may or ma ...
s (including 5%
dietary fiber Dietary fiber (in British English fibre) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical composition, and can be grouped generally by the ...
), and 1% water (table). Both crunchy and smooth peanut butter are sources of
saturated Saturation, saturated, unsaturation or unsaturated may refer to: Chemistry * Saturation, a property of organic compounds referring to carbon-carbon bonds ** Saturated and unsaturated compounds **Degree of unsaturation ** Saturated fat or fatty ac ...
and
monounsaturated fat Monounsaturated fats are fatty acids that have one double bond in the fatty acid chain with all of the remainder carbon atoms being single-bonded. By contrast, polyunsaturated fats have more than one double bond. Molecular description Fatty acid ...
s (mainly
oleic acid Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish. In chemical terms, oleic acid is classified as a monounsaturated omega ...
) as 25% of total serving amount, and polyunsaturated fat (12% of total), primarily as
linoleic acid Linoleic acid (LA) is an organic compound with the formula COOH(CH2)7CH=CHCH2CH=CH(CH2)4CH3. Both alkene groups are cis-trans isomerism, ''cis''. It is a fatty acid sometimes denoted 18:2 (n-6) or 18:2 ''cis''-9,12. A linoleate is a salt (chem ...
). Peanut butter is a rich source (20% or more of the
Daily Value The Reference Daily Intake (RDI) used in nutrition labeling on food and dietary supplement products in the U.S. and Canada is the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97–98% of health ...
, DV) of
dietary fiber Dietary fiber (in British English fibre) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical composition, and can be grouped generally by the ...
,
vitamin E Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vi ...
,
pantothenic acid Pantothenic acid, also called vitamin B5 is a water-soluble B vitamin and therefore an essential nutrient. All animals require pantothenic acid in order to synthesize coenzyme A (CoA) – essential for fatty acid metabolism – as well as to, i ...
,
folate Folate, also known as vitamin B9 and folacin, is one of the B vitamins. Manufactured folic acid, which is converted into folate by the body, is used as a dietary supplement and in food fortification as it is more stable during processing and ...
,
niacin Niacin, also known as nicotinic acid, is an organic compound and a form of vitamin B3, an essential human nutrient. It can be manufactured by plants and animals from the amino acid tryptophan. Niacin is obtained in the diet from a variet ...
, and vitamin B6 (table, USDA FoodData Central). Also high in content are the
dietary minerals In the context of nutrition, a mineral is a chemical element required as an essential nutrient by organisms to perform functions necessary for life. However, the four major structural elements in the human body by weight (oxygen, hydrogen, carbon, ...
manganese Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy use ...
,
magnesium Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic ta ...
,
phosphorus Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ear ...
,
zinc Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodi ...
,
copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...
, and
sodium Sodium is a chemical element with the symbol Na (from Latin ''natrium'') and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable iso ...
(added as salt during manufacturing). Peanut butter is a moderate source (10–19% DV) of
thiamin Thiamine, also known as thiamin and vitamin B1, is a vitamin, an essential micronutrient, that cannot be made in the body. It is found in food and commercially synthesized to be a dietary supplement or medication. Phosphorylated forms of t ...
,
riboflavin Riboflavin, also known as vitamin B2, is a vitamin found in food and sold as a dietary supplement. It is essential to the formation of two major coenzymes, flavin mononucleotide and flavin adenine dinucleotide. These coenzymes are involved in ...
,
iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...
, and
potassium Potassium is the chemical element with the symbol K (from Neo-Latin ''kalium'') and atomic number19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmosphe ...
(table).


Peanut allergy

For people with a
peanut allergy Peanut allergy is a type of food allergy to peanuts. It is different from tree nut allergies, because peanuts are legumes and not true nuts. Physical symptoms of allergic reaction can include itchiness, hives, swelling, eczema, sneezing, as ...
, peanut butter can cause a variety of possible
allergic reaction Allergies, also known as allergic diseases, refer a number of conditions caused by the hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever, food allergies, atopic derma ...
s, including life-threatening
anaphylaxis Anaphylaxis is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of use of emergency medication on site. It typically causes more than one of the follow ...
. This potential effect has led to banning peanut butter, among other common foods, in some schools. Symptoms * Shortness of breath * Wheezing * Tightening of the throat * Itching * Skin reactions such as hives and swelling * Digestive problems


Uses


As an ingredient

Peanut butter is included as an ingredient in many recipes:
peanut butter and jelly sandwich A peanut butter and jelly sandwich (PB&J) consists of peanut butter and fruit preserves—jelly—spread on bread. The sandwich may be open-faced, made of a single slice of bread folded over, or made using two slices of bread. The sa ...
es,
peanut butter cookie A peanut butter cookie is a type of cookie that is distinguished for having peanut butter as a principal ingredient. The cookie originated in the United States, its development dating back to the 1910s. History George Washington Carver (1864–19 ...
s, and candies where peanut is the main flavor, such as
Reese's Pieces Reese's Pieces are a peanut butter candy manufactured by The Hershey Company; they are oblate spheroid in shape and covered in candy shells that are colored yellow, orange, or brown. They can be purchased in plastic packets, cardboard boxes, or c ...
, or various peanut butter and chocolate treats, such as
Reese's Peanut Butter Cups Reese's Peanut Butter Cups are an American candy consisting of a chocolate cup filled with peanut butter, marketed by The Hershey Company. They were created on November 15, 1928, by H. B. Reese, a former dairy farmer and shipping foreman for M ...
and the
Crispy Crunch Crispy Crunch is a hard chocolate bar with a crispy peanut butter flake inside that is made by Cadbury in Canada. Harold Oswin, an employee of Neilson Dairy, William Neilson, developed "Crispy Crunch" in 1930. History Harold Oswin was a candy ...
candy bar. Peanut butter's flavor combines well with other flavors, such as oatmeal, cheese, cured meats, savory sauces, and various types of breads and crackers. The creamy or crunchy, fatty, salty taste pairs very well with complementary soft and sweet ingredients like fruit preserves, bananas, apples, and honey. The taste can also be enhanced by similarly salty things like bacon (see
Peanut butter, banana and bacon sandwich The peanut butter and banana sandwich (PB&B), or peanut butter, banana and bacon sandwich (PB,B&B), sometimes referred to as an Elvis sandwich or simply the Elvis, consists of toasted bread slices with peanut butter, sliced or mashed banana, a ...
), especially if the peanut butter has added sweetness. One snack for children is called " ants on a log", with a celery stick acting as the "log". The groove in the celery stick is filled with peanut butter and raisins arranged in a row along the top are "ants". Plumpy'nut is a peanut butter-based food used to fight malnutrition in famine-stricken countries. A single pack contains 500 calories, can be stored unrefrigerated for two years, and requires no cooking or preparation. File:Stacked peanut butter chocolate chip cookies detail, November 2009.jpg,
Peanut butter cookies A peanut butter cookie is a type of cookie that is distinguished for having peanut butter as a principal ingredient. The cookie originated in the United States, its development dating back to the 1910s. History George Washington Carver (1864†...
, a popular type of cookie made from peanut butter and other ingredients File:Buckeyes Peanut Butter Balls(cropped).jpg, Buckeyes, a type of peanut-butter-based
confectionery Confectionery is the art of making confections, which are food items that are rich in sugar and carbohydrates. Exact definitions are difficult. In general, however, confectionery is divided into two broad and somewhat overlapping categories ...
product


As animal food

Peanut butter inside a hollow
chew toy Chew toys are toys designed to be chewed on by animals for stimulation and boredom relief. Gnawing on a chew toy can be soothing to an animal, as well as stimulating. In young animals, such as puppies, chew toys can help relieve pain associated ...
is a method to occupy a dog with a favored treat. A common outdoor
bird feeder A birdfeeder, bird table, or tray feeder are devices placed outdoors to supply bird food to birds (bird feeding). The success of a bird feeder in attracting birds depends upon its placement and the kinds of foods offered, as different species h ...
is a coating of peanut butter on a
pine cone A conifer cone (in formal botanical usage: strobilus, plural strobili) is a seed-bearing organ on gymnosperm plants. It is usually woody, ovoid to globular, including scales and bracts arranged around a central axis, especially in conifers an ...
with an overlying layer of birdseed.


See also

*
List of peanut dishes This is a list of peanut dishes and foods that are prepared using peanuts or peanut butter as a primary ingredient. Peanuts are also referred to as groundnuts. Dishes and foods * Ants on a log – a snack made by spreading peanut butter, cr ...
– includes dishes that use peanut butter as a main ingredient *
List of spreads This is a list of spreads. A spread is a food that is literally spread, generally with a knife, onto food items such as bread or crackers. Spreads are added to food to enhance the flavor or texture of the food, which may be considered bland with ...
* Peanut paste *
Peanut pie Peanut pie, sometimes called the "poor man's pecan pie", is a pie that is part of the cuisine of the Southern United States, in the Tidewater region, where peanuts are a common crop. It can be served as a kosher dessert. In North Carolina it was ...
*
Peanut sauce Peanut sauce, satay sauce (saté sauce), ''bumbu kacang'', ''sambal kacang'', or ''pecel '' is an Indonesian sauce made from ground roasted or fried peanuts, widely used in Indonesian cuisine and many other dishes throughout the world. Peanut ...
*
Ruth Desmond Ruth Desmond (circa 1906 – September 30, 1988) was an American consumer advocate best known for her work to have the Food and Drug Administration increase the amount of peanuts in peanut butter. She was known as the "Peanut Butter Grandma". Des ...
, "Peanut Butter Grandmother"


References


External links


US Code of Federal Regulations, Peanut butter; part 164.150; last amended 24 March 1998
{{DEFAULTSORT:Peanut Butter American cuisine Canadian cuisine Canadian inventions Food ingredients Nut and seed butters