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박 種子油中의 C30Δ5,24-Triterpene Alcohol 및 C29Δ7,22-Sterol의 構造
鄭泰明,安守中,河奉錫 慶尙大學校 1980 論文集 Vol.19 No.1
Two kinds of sterol isolated from unsaponifiables of gourd seed oil were identified, the structure as cucurbitadienol(10α-cucurbita-5.24-dien-3β-o1, C30??5,24-triterpene alcohol) and chondrillasterol[(24R)-24ethy1-5α-cholesta-7, E-22-dien-3β-o1; C29??7,22-setrol], by infrared, mass and proton nuclear magnetic resonance spectrometry using lanthanide shift reagent. The former has not been detected in higher plants so far although the compound has been synthesized from similar compound. The latter is unusual in the plant kingdom and has hitherto been found only in several species of green algae(Chlorophyta).