Eleostearic acid
| α-Eleostearic acid | |
|---|---|
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| Chemical name | (9E,11E,13Z)-octadeca-9,11,13-trienoic acid |
| Chemical formula | C18H30O2 |
| Molecular mass | 278.43 g/mol |
| PubChem | 5385589 |
| Melting point | 48 °C[1] |
| SMILES | CCCC\C=C/C=C/C=C/CCCCCCCC(=O)O |
| Disclaimer and references | |
Eleostearic acid, (ELA) sometimes called α-eleostearic acid, is a conjugated linolenic acid (CLnA). It makes up approximately 80% of the fatty acids in tung oil and 60% of bitter gourd oil. Its high degree of unsaturation gives tung oil its properties as a drying oil. In rats, it is converted to a conjugated linoleic acid (CLA).[2] In their pioneering work on essential fatty acids, Burr, Burr and Miller compared the nutritional properties of ELA to that of its isomer alpha-linolenic acid (ALA). ALA relieved essential fatty acid deficiency; ELA did not.[1]
The closely related isomer β-eleostearic acid is (9E,11E,13E)-octadeca-9,11,13-trienoic acid.
References
- ^ a b Burr, G.O., Burr, M.M. and Miller, E. (1930). "On the nature and role of the fatty acids essential in nutrition". J. Biol. Chem. 86 (587). Retrieved on 2007-01-17.
- ^ Tsuzuki T, Kawakami Y, Abe R, et al (Aug 2006). "Conjugated linolenic acid is slowly absorbed in rat intestine, but quickly converted to conjugated linoleic acid". J Nutr 136 (8): 2153-9.. Retrieved on 2007-01-17.
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