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新鮮乳汁含α-香樹脂醇(α-amyrin),環木菠蘿烯醇,大戟甾醇(euphorbosterol),大戟蛋白酶(euphorbain)t1∼t4,大戟因子(euphorbia
factor)Ti1∼Ti9,其中Ti5為12-O-[(2Z,4E)-2,4-辛二烯醯基]巴豆醇-13-乙酸酯{12-O-[(2Z.4E)-2,4-octadienoyl]phorbol-13-acetate},Ti6為12-O-[(2Z,4Z)-2,4,6-癸三烯醯基]巴豆醇-13-乙酸酯{12-O-[(2Z,4Z)-2,4,6-decatrienoyl]phorbol-13-acetate},Ti7為12-O-(2,4,6,8,10-十四碳五烯醯基)巴豆醇-13-乙酸酯[12-O-(2,4,6,8,10-tetradecapen-taenoyl)phorbol-13-acetate],Ti8為12-O-(2,4,6,8-十四碳四烯醯基)巴豆醇-13-乙酸酯[12-O-(2,4,6,8-tetradecatetraenoyl)phorbol-13-acetate],Ti9為12-O-乙醯基巴豆醇-13-(2,4,6,8,10-十四碳五烯酸酯[12-O-acetylphorbol-13-(2,4,6,8,10-tetradecapenaenoate)。還含甘油三酯類(triglycerides),甾醇三帖類(steroidal triterpenes),二帖酯(diterpene ester),帖烴類(terpenoidal hydrocarbons),環綠玉樹烯醇(cyclotirucanenol)也叫24β-甲基-9β-19-環羊毛甾-20-烯-3β-醇(24β-methyl-9β-19-cycloanost-20-en-3bol)等。 |