Acylated Triterpene Saponins from the Stem Bark of Acer nikoense (Aceraceae).

CHEMICAL & PHARMACEUTICAL BULLETIN(2016)

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Abstract
Three new acylated triterpene saponins, acernikoenosides A-C (1-3), were isolated from the stem bark of Acer nikoense, together with a known sterol glucoside. Their structures were elucidated on the basis of extensive spectroscopic analyses. This study provided the first example of triterpene saponins isolated from this plant. The anti-genotoxic activity of 1, 3 and 4 against ultraviolet irradiation was evaluated by comet assay.
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Key words
Acer nikoense,triterpene saponin,Aceraceae
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