Authors: Wang SJ, Yeh HC, Ciou SY, Kao CL, Li HT, Li WJ, Liu SL, Chen CY.
A new flavonoid, 5,8-dihydroxy-7,3′,4′-trimethoxyflavone (1), along with four flavonoids, 5-hydroxy-7,2′,3′,5′- tetramethoxyflavone, 5-hydroxy-7,3′, 4′-trimethoxyflavone, 5,3′-dihydroxy-7,4′-dimethoxyflavone and 5,4- dihydroxy-7,3′-dimethoxyflavone, four benzenoids, vanillic acid, p-hydroxybenzoic acid, methylparaben and caffeic acid, and three steroids, β-sitosterol, β-sitostenone and stigmastenone were isolated from the aerial part of Smilax nantoensis (Liliaceae). The structure of the new flavonoid was elucidated from chemical and physical evidence.
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