The whole herb of Hypericum subalatum Hayata contains three flavonoids caffeic acid esters, a pyranoxanthone, and three xanthones, in addition to the previously The whole herb of Hypericum subalatum Hayata contains three flavonoids caffeic acid esters, a pyranoxanthone, and three xanthones, in addition to the previously reported xanthonolignoids. Among these compounds, 2,7-dihy-droxy-3,4-dimethoxyxanthone has not been described in the literature before. The co-occurrence of xanthone deriva-tives and flavonoids in this plant is of chemotaxonomic significance.
關聯:
嘉南學報 15 : p.A31-A34 轉載 Journal of the Chinese Chemical Society 36(2),p.165-168 (1989)
