Lipid Composition of Some Rapeseed Cultivars from Mongolia

概要

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In our continuous research directed towards the chemical characterization of seed oils, of seed oils from some rapeseed (canola) cultivars (canola Tobin, canola Impulse, rape Cubansky, rape Chinese Cultivars I, II., rape Yakshi and rape Khanna) introduced in different parts of the Mongolia were analyzed for their fatty acid composition and tocopherols, sterols content. The oil content in the seeds was 31.4-42.4%. The seed oils from both canola cultivars are mainly composed of oleic (60-12%), linoleic (to 22%) acids and some linolenic acid (8.4-11.9%). The rapeseed Cubansky was found to have a small amount of erucic acid (0.6%) in addition to oleic and linoleic acids as predominant acids. The rapeseed cultivar Yakschi contained an equal amount of eicosenoic (3.1%) and erucic (3.7%) acids. The rapeseed Chinese cultivars I, II and Khanna were found to be high in 20: 1n-9 (10.8 and 7.5%) and 22: 1n-9 (25.6 and 13.5%). Major tocopherol was γ-tocopherol (328.9-641.8 ppm) accompanied by a low level of α- and δ-tocopherol. Canola Impulse seed oil contained 33.8 mg/kg of β-tocopherol in addition to other isomers. Seed oil sterols are mainly composed of β-sitosterol, campesterol and brassicasterol.
日本油化学会の論文
2001-10-01