生薬ゲンノショウコのフラボノイド成分による基原判別

概要

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Geranium thunbergii plants were divided into two groups, on the basis of their flavonoid compositions. The plants of one group contained kaempferol 3-O-rhamnoside (afzeline, 1), whereas those of the other group contained kaempferol 3-O-arabinoside-7-O-rharnnoside (2) and kaempferol 3,7-di-O-rhamnoside (kaempferitrin, 3). All of the wild plants of G. thunbergii in Japan belonged to either of the two groups. Other Geranium spp. generally did not contain these flavonoids, though G. sibiricum, G. tripartitum and G. nepalense, which are closely related to G. thunbergii, containd 2 and 3. The assay of these three flavonoids may be used as the chemical characters of Geranium Herb for identification of the botanical origin.
日本生薬学会の論文
1997-08-20