β-Eleostearic acid, or (9E,11E,13E)-octadeca-9,11,13-trienoic acid, is an organic compound with formula or H3C(CH2)3(CH=CH)3(CH2)7COOH. It is an all-trans isomer of octadecatrienoic acid. Its cytotoxicity and ability to induce cell apoptosis means it possesses potential anti-tumor capabilities.
See also α-Eleostearic acid, the (9Z,11E,13E)-isomer, found in tung oil and bitter gourd seed oil.
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