Studies on the Ferulates Contained in Rice Bran Oil. I.

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  • ヌカ油中のフェルラ酸エステルの研究 (第1報)
  • ヌカユチュウ ノ フェルラサン エステル ノ ケンキュウ 1 GLC オヨビ TLC ニ ヨル ブンセキ
  • Analysis of the Ferulates by Means of GLC and TLC
  • GLCおよびTLCによる分析

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Previously there was report on the isolation of, β-sitosteryl ferulate, cycloartanyl ferulate and 24-methylenecycloartanyl ferulate from rice bran oil by several other authors. Recently the authors confirmed the existence of seven ferulates, in which above-cited compounds were contained, in rice bran oil. <BR>Owing to the success of separation of free steroids and ferulates from the so-called “pitch”, followed by isolation and identification of the steroids and triterpenoids from their unsaponifiable matterr by means of techniques of various chromatographies and other procedures, it was found that the steroids and triterpenoids consisted of 7 compounds......that is, campesterol, stigmasterol, β-sitosterol, cycloartanol, cycloartenol, 24-methylenecycloartanol and a new terpenoid whose literature is not yet known and which may be reported later on. In this paper, physico-chemical properties and chromatographic data of these compounds which are complex alcohols and their ferulates are given in detail. This report is the introductory part of our “Studies on the ferulates in rice bran oil”, which will be followed by several reports.

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