Dairy products
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Dairy products or milk products, also known as lacticinia, are food products made from (or containing)
milk Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. Immune factors and immune-modulat ...
. The most common dairy animals are cow,
water buffalo The water buffalo (''Bubalus bubalis''), also called the domestic water buffalo or Asian water buffalo, is a large bovid originating in the Indian subcontinent and Southeast Asia. Today, it is also found in Europe, Australia, North America, So ...
, nanny goat, and ewe. Dairy products include common grocery store food items in the
Western world The Western world, also known as the West, primarily refers to the various nations and states in the regions of Europe, North America, and Oceania.
such as
yogurt Yogurt (; , from tr, yoğurt, also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial fermentation of milk. The bacteria used to make yogurt are known as ''yogurt cultures''. Fermentation of sugars in the milk by these bac ...
,
cheese Cheese is a dairy product produced in wide ranges of flavors, textures, and forms by coagulation of the milk protein casein. It comprises proteins and fat from milk, usually the milk of cows, buffalo, goats, or sheep. During productio ...
and
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 condim ...
. A facility that produces dairy products is known as a ''
dairy A dairy is a business enterprise established for the harvesting or processing (or both) of animal milk – mostly from cows or buffaloes, but also from goats, sheep, horses, or camels – for human consumption. A dairy is typically located on ...
''. Dairy products are consumed worldwide to varying degrees (see consumption patterns worldwide). Some people avoid some or all dairy products either because of lactose intolerance,
veganism Veganism is the practice of abstaining from the use of animal product—particularly in diet (nutrition), diet—and an associated philosophy that rejects the commodity status of animals. An individual who follows the diet or philosophy is kn ...
, or other health reasons or beliefs.


Production relationship graph


Types of dairy product


Milk

Milk Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. Immune factors and immune-modulat ...
is produced after optional
homogenization Homogeneity is a sameness of constituent structure. Homogeneity, homogeneous, or homogenization may also refer to: In mathematics *Transcendental law of homogeneity of Leibniz * Homogeneous space for a Lie group G, or more general transformatio ...
or
pasteurization Pasteurization or pasteurisation is a process of food preservation in which packaged and non-packaged foods (such as milk and fruit juices) are treated with mild heat, usually to less than , to eliminate pathogens and extend shelf life. ...
, in several grades after standardization of the fat level, and possible addition of the bacteria '' Streptococcus lactis'' and '' Leuconostoc citrovorum''. Milk can be broken down into several different categories based on type of product produced, including cream, butter, cheese, infant formula, and yogurt. Milk varies in fat content. Skim milk is milk with zero fat, while
whole milk Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. Immune factors and immune-modulating ...
products contain fat. Milk is an ingredient in many confectioneries. Milk can be added to chocolate to produce
milk chocolate Milk chocolate is a solid chocolate confectionery containing cocoa, sugar and milk. Chocolate was originally sold and consumed as a beverage in pre-Columbian times, and upon its introduction to Western Europe. Major milk chocolate producers incl ...
.


Cream


Butter

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 condim ...
, mostly milk fat, produced by churning cream * ''
Ghee Ghee is a type of clarified butter, originating from India. It is commonly used in India for cooking, as a traditional medicine, and for religious rituals. Description Ghee is typically prepared by simmering butter, which is churned from ...
'' also called, clarified butter, by gentle heating of butter and removal of the solid matter **''
Smen ''Smen'' (from ar, سمن or سمنة also called ''sman'', ''semn'', ''semneh'', or ''sminn'') is a salted, fermented butter, and a traditional Yemeni dish. In Yemen, Yemenis prepare a special version of ''semneh'' (سمنة) which is smoked wi ...
'', a fermented, clarified butter used in Moroccan cooking **
Anhydrous A substance is anhydrous if it contains no water. Many processes in chemistry can be impeded by the presence of water; therefore, it is important that water-free reagents and techniques are used. In practice, however, it is very difficult to achi ...
milkfat (
clarified butter Clarified butter is milk fat rendered from butter to separate the milk solids and water from the butterfat. Typically, it is produced by melting butter and allowing the components to separate by density. The water evaporates, some solids (i.e. ...
)


Fermented

Fermented milk products Fermented milk products or fermented dairy products, also known as cultured dairy foods, cultured dairy products, or cultured milk products, are dairy foods that have been fermented with lactic acid bacteria such as '' Lactobacillus'', '' Lacto ...
include:


Yogurt

Yogurt Yogurt (; , from tr, yoğurt, also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial fermentation of milk. The bacteria used to make yogurt are known as ''yogurt cultures''. Fermentation of sugars in the milk by these bac ...
, milk fermented by thermophilic bacteria, mainly '' Streptococcus salivarius'' ssp. ''thermophilus'' and ''Lactobacillus delbrueckii'' ssp. ''bulgaricus'' sometimes with additional bacteria, such as ''
Lactobacillus ''Lactobacillus'' is a genus of Gram-positive, aerotolerant anaerobes or microaerophilic, rod-shaped, non-spore-forming bacteria. Until 2020, the genus ''Lactobacillus'' comprised over 260 phylogenetically, ecologically, and metabolically div ...
acidophilus''


Cheese

Cheese Cheese is a dairy product produced in wide ranges of flavors, textures, and forms by coagulation of the milk protein casein. It comprises proteins and fat from milk, usually the milk of cows, buffalo, goats, or sheep. During productio ...
, produced by coagulating milk, separating curds from
whey Whey is the liquid remaining after milk has been curdled and strained. It is a byproduct of the manufacturing of cheese or casein and has several commercial uses. Sweet whey is a byproduct resulting from the manufacture of rennet types of har ...
, and letting it ripen, generally with
bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were am ...
, and sometimes also with certain
mold A mold () or mould () is one of the structures certain fungi can form. The dust-like, colored appearance of molds is due to the formation of spores containing fungal secondary metabolites. The spores are the dispersal units of the fungi. Not ...
s.


Custard

*
Custard Custard is a variety of culinary preparations based on sweetened milk, cheese, or cream cooked with egg or egg yolk to thicken it, and sometimes also flour, corn starch, or gelatin. Depending on the recipe, custard may vary in consistency fr ...
, thickened with eggs * Imitation custard, thickened with starch


Frozen

*
Ice cream Ice cream is a sweetened frozen food typically eaten as a snack or dessert. It may be made from milk or cream and is flavoured with a sweetener, either sugar or an alternative, and a spice, such as cocoa or vanilla, or with fruit such as ...
, slowly frozen cream, milk, flavors and emulsifying additives (dairy ice cream) *
Gelato Gelato (; ) is the common word in Italian for all kinds of ice cream. In English, it specifically refers to a frozen dessert of Italian origin. Artisanal gelato in Italy generally contains 6%–9% butterfat, which is lower than other styl ...
, slowly frozen milk and water, lesser fat than ice cream * Ice milk, low-fat version of ice cream * Frozen custard * Frozen yogurt, yogurt with emulsifiers


Casein


Consumption patterns worldwide

Rates of dairy consumption vary widely worldwide. High-consumption countries consume more than per capita per year. These countries are: Argentina, Armenia, Australia, Costa Rica, most European countries, Israel, Kyrgyzstan, North America and Pakistan. Medium-consumption countries consume to 150 kg per capita per year. These countries are: India, Iran, Japan, Kenya, Mexico, Mongolia, New Zealand, North and Southern Africa, most of the Middle East, and most of Latin America and the Caribbean. Low-consumption countries consume under 30 kg per capita per year. These countries are: Senegal, most of Central Africa, and most of East and Southeast Asia.


Lactose levels

For those with some degree of lactose intolerance, considering the amount of
lactose Lactose is a disaccharide sugar synthesized by galactose and glucose subunits and has the molecular formula C12H22O11. Lactose makes up around 2–8% of milk (by mass). The name comes from ' (gen. '), the Latin word for milk, plus the suffix ' ...
in dairy products can be important to health.


Intolerance and health research

Dairy products may upset the
digestive system The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller compone ...
in individuals with lactose intolerance or a milk allergy. People who experience lactose intolerance usually avoid milk and other lactose-containing dairy products, which may cause mild
side effect In medicine, a side effect is an effect, whether therapeutic or adverse, that is secondary to the one intended; although the term is predominantly employed to describe adverse effects, it can also apply to beneficial, but unintended, consequence ...
s, such as abdominal pain, bloating, diarrhea, gas, and nausea. Such individuals may use non-dairy
milk substitute A milk substitute is any substance that resembles milk and can be used in the same ways as milk. Such substances may be variously known as non-dairy beverage, nut milk, grain milk, legume milk, mock milk and alternative milk. For adults, milk ...
s. Consumption of dairy products does not cause
mucus Mucus ( ) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells. It ...
production, and does not worsen
common cold The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. Signs and symptoms may appear fewer than two days after expos ...
or
asthma Asthma is a long-term inflammatory disease of the airways of the lungs. It is characterized by variable and recurring symptoms, reversible airflow obstruction, and easily triggered bronchospasms. Symptoms include episodes of wheezing, co ...
symptoms. A 2019 review indicated there is no convincing evidence on whether an association between dairy consumption and risk of cancers exists.


Avoidance on principle

Some groups avoid dairy products for non-health-related reasons. Some religions restrict or do not allow the consumption of dairy products. For example, some scholars of
Jainism Jainism ( ), also known as Jain Dharma, is an Indian religion. Jainism traces its spiritual ideas and history through the succession of twenty-four tirthankaras (supreme preachers of ''Dharma''), with the first in the current time cycle bein ...
advocate not consuming any dairy products because dairy is perceived to involve violence against cows. Orthodox
Judaism Judaism ( he, ''Yahăḏūṯ'') is an Abrahamic, monotheistic, and ethnic religion comprising the collective religious, cultural, and legal tradition and civilization of the Jewish people. It has its roots as an organized religion in th ...
requires that meat and dairy products not be served at the same meal, served or cooked in the same utensils, or stored together, as prescribed in Deuteronomy 14:21.
Veganism Veganism is the practice of abstaining from the use of animal product—particularly in diet (nutrition), diet—and an associated philosophy that rejects the commodity status of animals. An individual who follows the diet or philosophy is kn ...
is the avoidance of all animal products, including dairy products, most often due to the ethics regarding how dairy products are produced. The ethical reasons for avoiding meat and dairy products include how dairy is produced, how the animals are handled, and the environmental effect of dairy production. According to a report of the United Nations'
Food and Agriculture Organization The Food and Agriculture Organization of the United Nations (FAO)french: link=no, Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is an intern ...
in 2010 the dairy sector accounted for 4 percent of global man-made greenhouse gas emissions.


See also

*
List of dairy products This is a list of dairy products. A dairy product is food produced from the milk of mammals. A production plant for the processing of milk is called a dairy or a dairy factory. Dairy farming is a class of agricultural, or an animal husbandry, ente ...
* List of dairy product companies in the United States *
Dairy industry in the United States The dairy industry in the United States includes the farms, cooperatives, and companies that produce milk and cheese and related products, such as milking machines, and distribute them to the consumer. By 1925, the United States had 1.5-2 million d ...
*
Dairy industry in the United Kingdom The dairy industry in the United Kingdom is the industry of dairy farming that takes place in the UK. Production In Europe, UK milk production is third after France & Germany and is around the tenth highest in the world. There are around 12,000 da ...


References and notes


Notes


References


Further reading

* Fuquay, John W. ed. ''Encyclopedia of Dairy Sciences'' (2nd Edition, 4 vol 2011), comprehensive coverage *Rankin, H. F. (1922) ''Imbucase: the Story of the B. C. I. C. of the Ministry of Food''. Edinburgh: Edinburgh Press (B.C.I.C.=Butter and Cheese Imports Committee) {{Authority control