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Occurrence of 24( E )‐ethylidene sterols in two solanaceae seed oils and rice bran oil
Author(s) -
Itoh Toshihiro,
Sakurai Suguru,
Tamura Toshitake,
Matsumoto Taro
Publication year - 1980
Publication title -
lipids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.601
H-Index - 120
eISSN - 1558-9307
pISSN - 0024-4201
DOI - 10.1007/bf02534113
Subject(s) - solanaceae , oryza sativa , phytosterol , datura stramonium , rice bran oil , unsaponifiable , sterol , datura , bran , botany , avena , chemistry , biology , piperaceae , food science , organic chemistry , biochemistry , cholesterol , raw material , gene , piper
Abstract The occurrence of two 24 ( E )‐ethylidene sterols, fucosterol and 28‐isocitrostadienol, in the unsaponifiable matters of two Solanaceae seed oils from Datura stramonium and Capsicum annuum , and rice bran oil from the seeds of Oryza sativa (Gramineae) was demonstrated by their isolation or by gas liquid chromatography. Although Z ‐isomers of the above two 24‐ethylidene sterols, 28‐isofucosterol and citrostadienol, are a frequent occurrence in higher plant materials including some Solanaceae seed oils and rice bran oil, the report might be the second instance of the unambiguous demonstration of the occurrence of the 24( E )‐ethylidene sterols in higher plants.