Bulletin of the Agricultural Chemical Society of Japan
Online ISSN : 1881-1272
Print ISSN : 0375-8397
ISSN-L : 0375-8397
Isolation and Identification of α- and β-Amyrin from the Bark of Ilex latifolia Thunberg
Kazuyoshi YAGISHITA
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1957 年 21 巻 3 号 p. 157-159

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Two triterpenoid alcohols, i.e., α-and β-amyrin have been isolated from the unsaponifiable fraction of the ethereal extract of Ilex latifolia Thunberg (Aquifoliaceae). The ratio of the amyrin contents, i.e., α-amyrin to β-amyrin was about 4:1. Stearic acid has also been iso-lated from the fatty-acid fraction of the hydrolysates.
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