Fatty acid molecular species

Mono-unsaturated fatty acid

The following fatty acids have one unsaturated bond.

Crotonic acid

Crotonic acid has 4 carbons, is included in croton oil, and is a ''trans''-2-mono-unsaturated fatty acid. C₃H₅ CO₂H, IUPAC organization name (''E'')-but-2-enoic acid, '' trans '' -but-2-enoic acid, numerical representation 4: 1, n-1, molecular weight 86.09, melting point 72-74 °C, boiling point 180-181 °C, specific gravity 1.027.

CAS registry number A CAS Registry Number (also referred to as CAS RN or informally CAS Number) is a unique identification number assigned by the Chemical Abstracts Service (CAS), US to every chemical substance described in the open scientific literature. It inclu ...

107-93-7.

Myristoleic

Myristoleic acid Myristoleic acid, or 9-tetradecenoic acid, is an omega-5 fatty acid. It is biosynthesized from myristic acid by the enzyme Stearoyl-CoA desaturase-1, but it is uncommon in nature. One of the major sources of this fatty acid is the seed oil from ...

has 14 carbons, is found in

whale Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and ...

blubber Blubber is a thick layer of vascularized adipose tissue under the skin of all cetaceans, pinnipeds, penguins, and sirenians. Description Lipid-rich, collagen fiber-laced blubber comprises the hypodermis and covers the whole body, except fo ...

, and is a ''cis''-9-monounsaturated fatty acid. C₁₃H₂₅CO₂H, IUPAC organization name (''Z'')-tetradec-9-enoic acid, numerical representation 14:1, n-5, molecular weight 226.36, melting point of -4.5 -4 °C. CAS Registry Number 544-64-9. Myristoleic acid

Palmitoleic acid

Palmitoleic acid Palmitoleic acid, or (9''Z'')-hexadec-9-enoic acid, is an omega-7 monounsaturated fatty acid (16:1n-7) with the formula CH3(CH2)5CH=CH(CH2)7COOH that is a common constituent of the glycerides of human adipose tissue. It is present in all tiss ...

has 16 carbons, is found in

cod liver oil Cod liver oil is a dietary supplement derived from liver of cod fish (Gadidae). As with most fish oils, it contains the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), and also vitamin A and vitamin D. Histori ...

, sardine oil, and herring oil, and is a ''cis''9-monounsaturated fatty acid. C₁₅H₂₉CO₂H, IUPAC organization name (''Z'')-hexadec-9-enoic acid, n-7, numerical representation of 16: 1, molecular weight 254.41, melting point 5 °C, specific gravity 0.894. CAS Registry Number 373-49-9. Palmitoleic acid1

Sapienic acid

Sapienic acid has 16 carbons, is found in the skin, and is a ''cis''6-mono-unsaturated fatty acid. C₁₅H₂₉CO₂H, IUPAC organization name (''Z'')-6-Hexadecenoic acid, n-10, numerical expression 16: 1, molecular weight 254.41. CAS Registry Number 17004-51-2.

Oleic acid

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 o ...

has 18 carbons, is found in most animal fats and

olive oil Olive oil is a liquid fat obtained from olives (the fruit of ''Olea europaea''; family Oleaceae), a traditional tree crop of the Mediterranean Basin, produced by pressing whole olives and extracting the oil. It is commonly used in cooking: ...

, and is a ''cis''-9-monounsaturated fatty acid. C₁₇H₃₃CO₂H, IUPAC organization name (''Z'')-octadec-9-enoic acid, numerical representation 18:1 (9), n-9, molecular weight 282.46, melting point 13.4 °C, specific gravity 0.891. CAS Registry Number 112-80-1. Oleic acid

Elaidic acid

Elaidic acid Elaidic acid is a chemical compound with the formula , specifically the fatty acid with structural formula HO(O=)C–(CH2–)7CH=CH–(CH2–)8H, with the double bond (between carbon atoms 9 and 10) in ''trans'' configuration. It is a colorle ...

has 18 carbons and is a ''trans''-9-mono-unsaturated fatty acid. It is also a ''trans'' isomer of oleic acid. C₁₇H₃₃CO₂H, IUPAC organization name (''E'')-octadec-9-enoic acid, numerical representation 18:1 (9), n-9, molecular weight 282.46, melting point 43-45 °C. CAS Registry Number 112-79-8. Elaidic acid

Vaccenic acid

Vaccenic acid has 18 carbons, is found in beef tallow,

mutton Lamb, hogget, and mutton, generically sheep meat, are the meat of domestic sheep, ''Ovis aries''. A sheep in its first year is a lamb and its meat is also lamb. The meat from sheep in their second year is hogget. Older sheep meat is mutton. Gen ...

, 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 ...

, and is a ''trans''11-mono-unsaturated fatty acid. C₁₇H₃₃CO₂H, IUPAC organization name (''E'')-octadec-11-enoic acid, numerical representation 18:1 (11) n-7, molecular weight 282.46. CAS Registry Number 506-17-2. Vaccenic Acid

Gadoleic acid

Gadoleic acid Gadoleic acid (20:1 n−11) is an unsaturated fatty acid. It is a prominent component of some fish oils including cod liver oil. It is one of a number of eicosenoic acids. Its name is derived from a combination of the genus for cod (''Gadus'') ...

has 20 carbons, is found in

and other marine animal oils, and is a ''cis''9-mono-unsaturated fatty acid. C₁₉H₃₇CO₂H, IUPAC organization name (''Z'')-icos-9-enoic acid, numerical representation 20:1 (9), n-11, molecular weight 310.51. CAS Registry Number 29204-02-2.

Eicosenoic acid

Eicosenoic acid Eicosenoic acid may refer to one of three closely related chemical compounds: * 9-Eicosenoic acid (gadoleic acid), an omega-11 fatty acid (20:1ω11) * 11-Eicosenoic acid (gondoic acid), an omega-9 fatty acid (20:1ω9) * 13-Eicosenoic acid (paull ...

has 20 carbons, is found in a wide variety of plant oils, and is a ''cis''11-mono-unsaturated fatty acid. C₁₉H₃₇CO₂H, IUPAC organization name (''Z'')-icos-11-enoic acid, numerical representation 20:1 (11), n-9, molecular weight 310.51. CAS Registry Number 5561-99-9. Eicosenoic acid

Erucic acid

Erucic acid Erucic acid is a monounsaturated omega-9 fatty acid, denoted 22:1ω9. It has the chemical formula CH3(CH2)7CH=CH(CH2)11COOH. It is prevalent in wallflower seed and other plants in the family Brassicaceae, with a reported content of 20 to 54% i ...

has 22 carbons, is found in

rapeseed oil Close-up of canola blooms Canola flower Rapeseed oil is one of the oldest known vegetable oils. There are both edible and industrial forms produced from rapeseed, the seed of several cultivars of the plant family Brassicaceae. Historicall ...

and

mustard oil Mustard oil can mean either the pressed oil used for cooking, or a pungent essential oil also known as volatile oil of mustard. The essential oil results from grinding mustard seed, mixing the grounds with water, and extracting the resulting vola ...

, and is a ''cis''13-monounsaturated is a fatty acid. C₂₁H₄₁CO₂H, IUPAC organization name (''Z'')-docos-13-enoic acid, numerical representation 22:1, n-9, molecular weight 338.57, melting point 33-35 °C. CAS Registry Number 112-86-7. Erucic acid

Nervonic acid

Nervonic acid Nervonic acid (24:1, n−9) is a fatty acid. It is a monounsaturated analog of lignoceric acid (24:0). It is also known as selacholeic acid and ''cis''-15-tetracosenoic acid. Its name derives from the Latin word '' nervus'', meaning nerve or s ...

has 24 carbons, is found in

brain A brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as Visual perception, vision. I ...

glycolipids (Nervon) and sphingomyelin, and is a ''cis''15-mono-unsaturated fatty acid. C₂₃H₄₅CO₂H, IUPAC organization name (''Z'')-tetracos-15-enoic acid, numerical representation 24:1, n-9, molecular weight 366.62, melting point 42-43 °C. CAS Registry Number 506-37-6. Nervonic acid

Di-unsaturated fatty acid

The following fatty acids have two unsaturated bonds.

Linoleic acid

Linoleate has 18 carbons, is contained in many vegetable oils, particularly semi-drying oils, and is a ''cis''-9-''cis''- 12-di-unsaturated fatty acid. C₁₇H₃₁CO₂H, IUPAC organization name (9''Z '', 12''Z'')-octadeca- 9,12-dienoic acid, numerical representation 18: 2 (9,12), n-6, molecular weight 280.45, melting point -5 °C, specific gravity 0.902. CAS Registry Number 60-33-3. There is a double bond is conjugated as an isomer conjugated linoleic acid.

Eicosadienoic acid

Eicosadienoic acid (eicosadienoic's) has 20 carbons and is a ''cis''-11-''cis''14-di-unsaturated fatty acid. C₁₉H₃₅CO₂H, IUPAC organization name (11''Z '', 14''Z'')-icosa- 11,14-dienoic acid, numerical representation 20: 2 (11,14), n-6, molecular weight 308.50.

Docosadienoic acid

Docosadienoic acid (docosadienoic's) has 22 carbons and is a ''cis''-13-''cis''16-di-unsaturated fatty acid. C₂₁H₃₉CO₂H, IUPAC organization name (13''Z '', 16''Z'')-docosa- 13,16-dienoic acid, numerical representation 22: 2 (13,16), n-6, molecular weight 336.55. CAS Registry Number 7370-49-2. Docosadienoic acid

Tri-unsaturated fatty acids

The following fatty acids have three unsaturated bonds.

Linolenic acid

α-linolenic acid ''alpha''-Linolenic acid (ALA), also known as α-Linolenic acid (from Greek language, Greek ''alpha'' meaning "first" and ''linon'' meaning flax), is an omega-3 fatty acid, ''n''−3, or omega-3, essential fatty acid. ALA is found in many seeds ...

(alpha-linolenic's) has 18 carbons, is found in

linseed oil Linseed oil, also known as flaxseed oil or flax oil (in its edible form), is a colourless to yellowish oil obtained from the dried, ripened seeds of the flax plant (''Linum usitatissimum''). The oil is obtained by pressing, sometimes followed by ...

and

drying oil A drying oil is an oil that hardens to a tough, solid film after a period of exposure to air, at room temperature. The oil hardens through a chemical reaction in which the components crosslink (and hence, polymerize) by the action of oxygen (no ...

, and is a 9,12,15-tri-unsaturated fatty acid. C₁₇H₂₉CO₂H, IUPAC organization name (9''Z '', 12''Z '', 15 '' Z'')-octadeca-9,12,15-trienoic acid, numerical representation 18: 3 (9,12,15), n-3, molecular weight 278.43, melting point -11 °C, specific gravity 0.914. CAS Registry Number 463-40-1. Alpha-linolenic acid

γ-linolenic acid (gamma-linolenic's) has 18 carbons, the structural isomers of α- linolenic acid. IUPAC organization name (6''Z '', 9''Z '', 12''Z'')-octadeca-6,9,12-trienoic acid, numerical representation 18: 3 (6, 9, 12), n-6. CAS Registry Number 506-26-3. Gamma-linolenic acid

Pinolenic acid

Pinolenic acid (pinolenic's) has 18 carbons, is found in

pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family (biology), family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanic ...

nuts, and is a 5,9,12-triunsaturated fatty acid. C₁₇H₂₉CO₂H, IUPAC organization name (5''Z '', 9''Z '', 12 '' Z'')-octadeca-5,9,12-trienoic acid, numerical representation 18: 3 (5,9,12), n-6, molecular weight 278.43. CAS Registry Number 16833-54-8. Pinolenic acid

Eleostearic acid

α-eleostearic acid (alpha-eleostearic's) has 18 carbons, is found in Kiri drying oil, and is a 9,11,13-triunsaturated fatty acid. C₁₇H₂₉CO₂H, IUPAC organization name (9''E '', 11''E '', 13 '' Z'')-octadeca-9,11,13-trienoic acid, numerical representation 18: 3 (9,11,13), n-5, molecular weight 278.43. Alpha-eleostearic acid1

β-eleostearic acid (beta-eleostearic's, beta-eleostearic acid) is a geometric isomer of α- eleostearic acid. IUPAC organization name (9''E '', 11''E '', 13''E'')-octadeca-9,11,13-trienoic acid, numerical representation 18: 3 (9, 11, 13), n-5.

Mead acid

Mead acid (Mead's) has 20 carbons, is a 5,8,11-tri-unsaturated fatty acid. C₁₉H₃₃CO₂H, IUPAC organization name (5''Z '', 8''Z '', 11 '' Z'')-icosa-5,8,11-trienoic acid, numerical representation 20: 3 (5,8,11), n-9, molecular weight 306.48. CAS Registry Number 20590-32-3. Mead acid1

Dihomo-γ-linolenic acid

Dihomo-γ-linolenic acid (dihomo-gamma-linolenic's, dihomo-gamma-linolenic acid, DGLA) has 20 carbons, and is an 8,11,14-tri-unsaturated fatty acid. C₁₉H₃₃CO₂H, IUPAC organization name (8''Z '', 11''Z '', 14 '' Z'')-icosa-8,11,14-trienoic acid, numerical representation 20: 3 (8,11,14), n-6, molecular weight 306.48. CAS Registry Number 1783-84-2. Dihomo-gamma-linolenic acid

Eicosatrienoic acid

Eicosatrienoic acid (eicosatrienoic's, eicosatrienoic acid) has 20 carbons and is an 11,14,17- tri unsaturated fatty acid. C₁₉H₃₃CO₂H, IUPAC organization name (11''Z '', 14''Z '', 17 '' Z'')-icosa-11,14,17-trienoic acid, numerical representation 20: 3 (11,14,17), n-3, molecular weight 306.48.

Tetra-unsaturated fatty acids

The following fatty acids have four unsaturated bonds.

Stearidonic acid

Stearidonic acid Stearidonic acid (SDA: C18 H28 O2; 18: 4, n-3) is an ω-3 fatty acid, sometimes called moroctic acid. It is biosynthesized from alpha-linolenic acid (ALA: C18H30O2; 18:3, n-3) by the enzyme delta-6-desaturase, that removes two hydrogen (H) ato ...

(stearidonic's) has 18 carbons, is found in sardine oil and herring oil, and is a 6,9,12,15-tetraunsaturated fatty acid. C₁₇H₂₇CO₂H, IUPAC organization name (6''Z '', 9''Z '', 12 '' Z '', 15''Z'')-octadeca-6,9,12,15-tetraenoic acid, numerical representation 18: 4 (6,9,12,15), n-3, molecular weight 276.41. CAS Registry Number 20290-75-9. Stearidonic acid

Arachidonic acid

Arachidonic acid Arachidonic acid (AA, sometimes ARA) is a polyunsaturated omega-6 fatty acid 20:4(ω-6), or 20:4(5,8,11,14). It is structurally related to the saturated arachidic acid found in cupuaçu butter. Its name derives from the New Latin word ''ara ...

(arachidonic's) has 20 carbons, is present in animal visceral fat (brain, liver, kidney, lung, spleen), and is a 5,8,11,14-tetra-unsaturated fatty acid. C₁₉H₃₁CO₂H, IUPAC organization name (5''Z '', 8''Z '', 11 '' Z '', 14''Z'')-icosa-5,8,11,14-tetraenoic acid, numerical representation 20: 4 (5,8,11,14), n-6, molecular weight 304.47, boiling point 169- 171 °C. CAS Registry Number 506-32-1. Arachidonic acid1

signal transduction Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which ultimately results in a cellula ...

arachidonic acid Arachidonic acid (AA, sometimes ARA) is a polyunsaturated omega-6 fatty acid 20:4(ω-6), or 20:4(5,8,11,14). It is structurally related to the saturated arachidic acid found in cupuaçu butter. Its name derives from the New Latin word ''ara ...

is produced through decomposition of the

phospholipid Phospholipids, are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group and two hydrophobic "tails" derived from fatty acids, joined by an alcohol residue (usually a glycerol molecule). Marine phospholipids typ ...

cell membrane The cell membrane (also known as the plasma membrane (PM) or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates and protects the interior of all cells from the outside environment (t ...

. This gives rise to the

arachidonic acid cascade The two essential fatty acids are omega 3 and omega 6, which are required for a good human health. However, the effects of the ω-3 (omega-3) and ω-6 (omega-6) essential fatty acids (EFAs) are characterized by their interactions. The interac ...

, a

metabolic pathway In biochemistry, a metabolic pathway is a linked series of chemical reactions occurring within a cell. The reactants, products, and intermediates of an enzymatic reaction are known as metabolites, which are modified by a sequence of chemical ...

that yields lipid mediator compounds such as

prostaglandin The prostaglandins (PG) are a group of physiologically active lipid compounds called eicosanoids having diverse hormone-like effects in animals. Prostaglandins have been found in almost every tissue in humans and other animals. They are deriv ...

thromboxane Thromboxane is a member of the family of lipids known as eicosanoids. The two major thromboxanes are thromboxane A2 and thromboxane B2. The distinguishing feature of thromboxanes is a 6-membered ether-containing ring. Thromboxane is named for i ...

s and

leukotriene Leukotrienes are a family of eicosanoid inflammatory mediators produced in leukocytes by the oxidation of arachidonic acid (AA) and the essential fatty acid eicosapentaenoic acid (EPA) by the enzyme arachidonate 5-lipoxygenase. Leukotrienes ...

s. This pathway has attracted study for its key role in

inflammatory disease Inflammation (from la, inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molec ...

s such as

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 ...

Eicosatetraenoic acid

Eicosatetraenoic acid (eicosatetraenoic's) has 20 carbons and is an 8,11,14,17-tetraunsaturated fatty acid. C₁₉H₃₁CO₂H, IUPAC organization name (8''Z '', 11''Z '', 14 '' Z '', 17''Z'')-icosa-8,11,14,17-tetraenoic acid, numerical representation 20: 4 (8,11,14,17), n-3, molecular weight 304.47. Eicosatetraenoic acid

Adrenic acid

Adrenic acid (adrenic'sd) has 22 carbons and is a 7,10,13,16-tetra-unsaturated fatty acid. C₂₁H₃₅CO₂H, IUPAC organization name (7''Z '', 10''Z '', 13 '' Z '', 16''Z'')-docosa-7,10,13,16-tetraenoic acid, numerical representation 22: 4 (7,10,13,16), n-6, molecular weight 332.52. CAS Registry Number 28874-58-0. Adrenic acid

Pentaunsaturated fatty acids

The following fatty acids have five unsaturated bonds.

Bosseopentaenoic acid

Bosseopentaenoic acid (Boseopentaen's), has 20 carbons and is a 5,8,10,12,14-pentaunsaturated fatty acid. C₁₇H₂₅CO₂H, IUPAC organization name (5''Z '', 8''Z '', 10 '' E '', 12''E '', 14''Z'')-eicosa-5,8,10,12,14-pentaenoic acid, numerical representation 20: 5 (5,8,10,12,14), n-6, molecular weight 302.46 g·mol−1.

Eicosapentaenoic acid

Eicosapentaenoic acid Eicosapentaenoic acid (EPA; also icosapentaenoic acid) is an omega-3 fatty acid. In physiological literature, it is given the name 20:5(n-3). It also has the trivial name timnodonic acid. In chemical structure, EPA is a carboxylic acid with a 20-c ...

(EPA) has 20 carbons, is found in fish oil, is a pentaunsaturated fatty acid. It is one of the essential fatty acids. The recommendation of ingesting fish oil supplements during pregnancy is said to help increase the cognitive ability at 6 months, but mercury concentration in fish products offsets the effect. In patients with

hyperlipidemia Hyperlipidemia is abnormally elevated levels of any or all lipids (fats, cholesterol, or triglycerides) or lipoproteins in the blood. citing: and The term ''hyperlipidemia'' refers to the laboratory finding itself and is also used as an umbre ...

and obstructive artery disease it can help lower

triglycerides A triglyceride (TG, triacylglycerol, TAG, or triacylglyceride) is an ester derived from glycerol and three fatty acids (from ''tri-'' and ''glyceride''). Triglycerides are the main constituents of body fat in humans and other vertebrates, as we ...

and also has an anti-

platelet Platelets, also called thrombocytes (from Greek θρόμβος, "clot" and κύτος, "cell"), are a component of blood whose function (along with the coagulation factors) is to react to bleeding from blood vessel injury by clumping, thereby i ...

effect similar to other anti-platelet agents. It has also been shown to help in secondary prevention of

ischemic heart disease Coronary artery disease (CAD), also called coronary heart disease (CHD), ischemic heart disease (IHD), myocardial ischemia, or simply heart disease, involves the reduction of blood flow to the heart muscle due to build-up of atherosclerotic pl ...

as shown with the JELIS test. C₁₉H₂₉CO₂H, IUPAC organization name (5''Z '', 8''Z '', 11 '' Z '', 14''Z '', 17''Z'')-icosa-5,8,11,14,17-pentaenoic acid, numerical representation of 20: 5 (5,8,11,14,17), n-3, molecular weight 302.45, from melting point -54 -53 °C, specific gravity 0.943. CAS Registry Number 10417-94-4. Eicosapetaenoic acid

Ozubondo acid

Ozubondo acid (Ozubondo's, Osbond acid), has 22 carbons, is a 4,7,10,13,16- pentaunsaturated fatty acid. C₂₁H₃₃CO₂H, IUPAC organization name (4''Z '', 7''Z '', 10''Z '', 13''Z '', 16''Z'')-docosa-4,7,10,13,16-pentaenoic acid, numerical representation 22: 5 (4,7,10,13,16), n-6, molecular weight 330.50. CAS Registry Number 25182-74-5 Osbond acid

Sardine acid

Sardine acid (Clupanodonic acid) has 22 carbons, is found in sardine oil and herring oil, is a 7,10,13,16,19- pentaunsaturated fatty acid. C₂₁H₃₃CO₂H, IUPAC organization name (7''Z '', 10''Z '', 13 '' Z '', 16''Z '', 19''Z'')-docosa-7,10,13,16,19-pentaenoic acid, numerical representation 22: 5 (7,10,13,16,19), n-3, molecular weight 330.50. Clupanodonic acid

Tetracosanolpentaenoic acid

Tetracosanolpentaenoic acid has 24 carbons, is a 9,12,15,18,21-penta unsaturated fatty acid. C₂₃H₃₇CO₂H, IUPAC organization name (9''Z '', 12''Z '', 15 '' Z '', 18''Z '', 21''Z'')-tetracosa-9,12,15,18,21-pentaenoic acid, numerical representation 24: 5 (9,12,15,18,21), n-3, molecular weight 358.56. Tetracosapentaenoic acid

Hexa-unsaturated fatty acids

The following fatty acids have six unsaturated bonds.

Cervonic acid

Cervonic acid (or

docosahexaenoic acid Docosahexaenoic acid (DHA) is an omega-3 fatty acid that is a primary structural component of the human brain, cerebral cortex, skin, and retina. In physiological literature, it is given the name 22:6(n-3). It can be synthesized from alpha-lin ...

) has 22 carbons, is found in fish oil, is a 4,7,10,13,16,19-hexa unsaturated fatty acid. In the human body its generation depends on consumption of omega 3 essential fatty acids (e.g., ALA or EPA), but the conversion process is inefficient. C₂₁H₃₁CO₂H, IUPAC organization name (4''Z'', 7''Z'', 10''Z'', 13''Z'', 16''Z'', 19''Z'')-docosa-4,7,10,13,16,19-hexaenoic acid, numerical representation 22: 6 (4, 7,10,13,16,19), n-3, molecular weight 328.49, melting point -44 °C, specific gravity 0.950. CAS Registry Number 6217-54-5. Docosahexaenoic acid

Herring acid

Herring acid (Herring's, Nisinic acid) is a 6,9,12,15,18,21-hexa unsaturated fatty acid with 24 carbon atoms. C₂₃H₃₅CO₂H, IUPAC organization name (6''Z '', 9''Z '', 12 '' Z '', 15''Z '', 18''Z '', 21''Z'')-tetracosa-6,9,12,15,18,21-hexaenoic acid, numerical representation 24: 6 (6, 9,12,15,18,21), n-3, molecular weight 356.54. Nisinic acid

References

{{Fatty acids

Unsaturated Fatty Acids In nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such compounds, most commonly those that occur in living beings or in food. The term often refers specifically to triglycerides (triple est ...

Alkenoic acids