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Short-chain fatty acids (SCFAs) are fatty acids with aliphatic tails of five or fewer carbons (e.g. butyric acid). [7] Medium-chain fatty acids (MCFAs) are fatty acids with aliphatic tails of 6 to 12 [8] carbons, which can form medium-chain triglycerides. Long-chain fatty acids (LCFAs) are fatty acids with aliphatic tails of 13 to 21 carbons. [9]
Common Name Systematic Name Structural Formula Lipid Numbers Propionic acid: Propanoic acid CH 3 CH 2 COOH : C3:0 Butyric acid: Butanoic acid CH 3 (CH 2) 2 COOH : C4:0 Valeric acid
Lists of fatty acids include: List of saturated fatty acids; ... Toggle the table of contents. Lists of fatty acids. Add languages ...
The three fatty acids substituents can be the same, but they are usually different. Many triglycerides are known because many fatty acids are known. The chain lengths of the fatty acid groups vary in naturally occurring triglycerides, Those containing 16, 18, or 20 carbon atoms are defined as long-chain triglycerides, while medium-chain ...
I 2 – Prostacyclin (an example of a prostaglandin, an eicosanoid fatty acid) LTB 4 (an example of a leukotriene, an eicosanoid fatty acid) Fatty acyls, a generic term for describing fatty acids, their conjugates and derivatives, are a diverse group of molecules synthesized by chain-elongation of an acetyl-CoA primer with malonyl-CoA or ...
A very-long-chain fatty acid (VLCFA) is a fatty acid with 22 or more carbons. Their biosynthesis occurs in the endoplasmic reticulum . [ 1 ] VLCFA's can represent up to a few percent of the total fatty acid content of a cell.
Eicosapentaenoic acid (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.
Mammals are unable to synthesize omega−3 fatty acids, but can obtain the shorter-chain omega−3 fatty acid ALA (18 carbons and 3 double bonds) through diet and use it to form the more important long-chain omega−3 fatty acids, EPA (20 carbons and 5 double bonds) and then from EPA, the most crucial, DHA (22 carbons and 6 double bonds). [2]