Exploring Phylogenetic Relationships between Hundreds of Plant Fatty Acids Synthesized by Thousands of Plants. more details ...
Abstract The content of 4-demethyl-, 4-monomethyl- and 4,4-dimethylsterols in 13 vegetable oils was found to vary between 0.10-1.4%, 0.01-0.08% and 0.02-0.29%, respectively. The largest amount of demethylsterols was found in maize and wheat germ oils, whereas the largest amounts of the dimethylsterols were found in olive and linseed oils. The predominating demethylsterols were sitosterol, campesterol, stigmasterol and Δ5-avenasterol. Among the 4-monomethylsterols, obtusifoliol, gramisterol, cycloeucalenol and citrostadienol predominated, but usually more than 10 components were found in this fraction. The composition of the 4,4-dimethylsterol fraction was also rather complex, with the 9,19-cyclopropanesterols together with α- and β-amyrin predominating. In most of the oils, characteristically high or low percentages of some sterols were found, and a few specific sterols were also noted. A scheme useful for characterization is presented. © 1985 American Oil Chemists' Society.

Authors: Kornfeldt, A.; Croon, L. B.

Journal: Lipids

Year: 1981

Volume: 16

Page: 306-314

UID: WOS:A1981LY89700005

URL: http://www.scopus.com/inward/record.url?eid=2-s2.0-51249183738&partnerID=40&md5=b6ac504772f240ab3aef7dc7191d881d

DOI: 10.1007/BF02534954

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