Ricinoleicacid is a naturally occurring 12-hydroxy fatty acid. It constitutes about 90% of the fatty acids in castor oil. Pyrrolidine Ricinoleamide is a derivative of the amide of ricinoleicacid that shows potent antiproliferative activity against an array of cancer cell lines, including human glioma U251 cells.
(S)-α-Methylbenzyl ricinoleamide is a fatty acid amide derived from ricinoleicacid and methyl benzylamine. It demonstrates potent growth inhibition of glioma (U251), breast (MCF-7), ovarian (NCI-ADR/RES and OVCAR-3), kidney (786-0), non-small cell lung (NCI-H460), and prostate (PC-3) cancer cells with a mean GI50 value of 6.9 μM.