Fatty acid

fatty acidsfree fatty acidsfree fatty acidfatty-acidlong-chain fatty acidlong-chain fatty acidsfattylong chain fatty acidlong chain fatty acidsmedium chain fatty acids
In chemistry, particularly in biochemistry, a fatty acid is a carboxylic acid with a long aliphatic chain, which is either saturated or unsaturated.wikipedia
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Triglyceride

triglyceridestriacylglyceroltriacylglycerols
Fatty acids are usually not found in organisms, but instead as three main classes of esters: triglycerides, phospholipids, and cholesteryl esters.
A triglyceride (TG, triacylglycerol, TAG, or triacylglyceride) is an ester derived from glycerol and three fatty acids (from tri- and glyceride).

Michel Eugène Chevreul

ChevreulEugène ChevreulEugene Chevreul
The concept of fatty acid (acide gras) was introduced by Michel Eugène Chevreul, though he initially used some variant terms: graisse acide and acide huileux ("acid fat" and "oily acid").
Michel Eugène Chevreul (31 August 1786 – 9 April 1889) was a French chemist whose work with fatty acids led to early applications in the fields of art and science.

Stearic acid

stearicoctadecanoic acidstearate
An important saturated fatty acid is stearic acid (n = 16), which when neutralized with lye is the most common form of soap.
Stearic acid is a saturated fatty acid with an 18-carbon chain and has the IUPAC name octadecanoic acid.

Soap

soapssoapmakingsoap making
An important saturated fatty acid is stearic acid (n = 16), which when neutralized with lye is the most common form of soap.
Soap is a salt of a fatty acid used in a variety of cleansing and lubricating products.

Decanoic acid

capric aciddecanoatecapric
Decanoic acid, also known as capric acid (C10:0) or decylic acid, is a saturated fatty acid.

Branched chain fatty acids

branched fatty acidunbranched chain
Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, from 4 to 28.
Branched chain fatty acids (BCFA) are usually saturated fatty acids with one or more methyl branches on the carbon chain.

Phospholipid

phospholipidsDOPEinterface region
Fatty acids are usually not found in organisms, but instead as three main classes of esters: triglycerides, phospholipids, and cholesteryl esters.
The phospholipid tails usually consist of 2 long fatty acid chains; they are hydrophobic and avoid interactions with water.

Caprylic acid

octanoic acidcapryliccaprylate
Caprylic acid is the common name for the eight-carbon saturated fatty acid known by the systematic name octanoic acid.

Lauric acid

lauriclauratedodecanoic acid
Lauric acid or systematically, dodecanoic acid, is a saturated fatty acid with a 12-carbon atom chain, thus having many properties of medium-chain fatty acids, is a bright white, powdery solid with a faint odor of bay oil or soap.

Very long chain fatty acid

very long chain fatty acidsvery long chain fatty acids (VLCFAs)very long-chain fatty-acid
A very long chain fatty acid (VLCFA) is a fatty acid with 22 or more carbons.

Myristic acid

myristicmyristoylmyristate
Myristic acid (IUPAC systematic name: 1-tetradecanoic acid) is a common saturated fatty acid with the molecular formula CH 3 (CH 2 ) 12 COOH.

Butyric acid

butanoate metabolismbutyricbutanoic acid
Butyric acid is a fatty acid occurring in the form of esters in animal fats.

Omega-6 fatty acid

omega-6omega-6 fatty acidsω-6
In most naturally occurring unsaturated fatty acids, each double bond has three (n-3), six (n-6), or nine (n-9) carbon atoms after it, and all double bonds have a cis configuration.
Omega-6 fatty acids (also referred to as ω-6 fatty acids or n-6 fatty acids) are a family of polyunsaturated fatty acids that have in common a final carbon-carbon double bond in the n-6 position, that is, the sixth bond, counting from the methyl end.

Behenic acid

Behenicdocosanoic acid
Behenic acid (also docosanoic acid) is a carboxylic acid, the saturated fatty acid with formula C 21 H 43 COOH.

Arachidic acid

arachidicarachidoyleicosanoic acid
Arachidic acid, also known as eicosanoic acid, is a saturated fatty acid with a 20-carbon chain.

Omega-9 fatty acid

omega-9ω-9Omega-9 fatty acids
In most naturally occurring unsaturated fatty acids, each double bond has three (n-3), six (n-6), or nine (n-9) carbon atoms after it, and all double bonds have a cis configuration.
Omega-9 fatty acids (ω−9 fatty acids or n−9 fatty acids) are a family of unsaturated fatty acids which have in common a final carbon–carbon double bond in the omega−9 position; that is, the ninth bond from the methyl end of the fatty acid.

Oleic acid

oleicoleateoleoyl
This reaction is practiced in the production of azelaic acid ((CH 2 ) 7 (CO 2 H) 2 ) from oleic acid.
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils.

Myristoleic acid

Myristol
Myristoleic acid, or 9-tetradecenoic acid, is an omega-5 fatty acid.

Linoleic acid

linoleiclinoleatelinoleic acid metabolism
Two essential fatty acids are linoleic acid (LA) and alpha-linolenic acid (ALA).
Linoleic acid is a fatty acid.

Sapienic acid

Sapienic acid (16:1, n-10, cis-6 hexadecenoic, or sapienate) is a fatty acid that is a major component of human sebum.

Palmitoleic acid

PalmitoleicpalmitoleateC16:1
Palmitoleic acid, or (9Z)-hexadec-9-enoic acid, is an omega-7 monounsaturated fatty acid with the formula CH 3 (CH 2 ) 5 CH=CH(CH 2 ) 7 COOH that is a common constituent of the glycerides of human adipose tissue.

Polyunsaturated fatty acid

polyunsaturated fatty acidspolyunsaturatedPUFA
The ω-x notation is almost exclusively used to indicate the position of the double bond which is closest to the −CH 3 end in fatty acids with multiple double bonds, such as the essential fatty acids.
Polyunsaturated fatty acids (PUFAs) are fatty acids that contain more than one double bond in their backbone.

Essential fatty acid

essential fatty acidsessentialEssential fatty acid deficiency
The ω-x notation is almost exclusively used to indicate the position of the double bond which is closest to the −CH 3 end in fatty acids with multiple double bonds, such as the essential fatty acids.
Essential fatty acids, or EFAs, are fatty acids that humans and other animals must ingest because the body requires them for good health but cannot synthesize them.

Erucic acid

Erucicerucic acidserusic acid
Erucic acid is a monounsaturated omega-9 fatty acid, denoted 22:1ω9.

Biochemistry

biochemistbiochemicalbiological chemistry
In chemistry, particularly in biochemistry, a fatty acid is a carboxylic acid with a long aliphatic chain, which is either saturated or unsaturated.
Lipids comprises a diverse range of molecules and to some extent is a catchall for relatively water-insoluble or nonpolar compounds of biological origin, including waxes, fatty acids, fatty-acid derived phospholipids, sphingolipids, glycolipids, and terpenoids (e.g., retinoids and steroids).