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Seasonal Fluctuation of Flavonol Glycosides in Epimedium Species

Mizuo Mizuno, Munekazu Iinuma, Toŝhiyuki Tanaka, Sakura IWASHIMA, Norio Sakakibara

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Abstract

The seasonal fluctuation of flavonol glycosides in the leaves of Epimedium grandiflorum var. thunbergianum, E. cremeum and E. sempervirens (Berberidaceae) was investigated. The total content of glycosides was shown in the highest quantity at the flowering time, and as the leaves mature it has become stable amount with a little decrease. The suitable period for the harvest of Epimedium leaves was concluded to be two or three months after the flowering time.

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What this paper is about

The seasonal fluctuation of flavonol glycosides in the leaves of Epimedium grandiflorum var. thunbergianum, E. cremeum and E. sempervirens (Berberidaceae) was investigated. The total content of glycosides was shown in the highest quantity at the flowering time, and as the leaves mature it has become stable amount with a little decrease. The suitable period for the harvest of Epimedium leaves was concluded to be two or three months after the flowering time.

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Available abstract

The seasonal fluctuation of flavonol glycosides in the leaves of Epimedium grandiflorum var. thunbergianum, E. cremeum and E. sempervirens (Berberidaceae) was investigated. The total content of glycosides was shown in the highest quantity at the flowering time, and as the leaves mature it has become stable amount with a little decrease. The suitable period for the harvest of Epimedium leaves was concluded to be two or three months after the flowering time.

Key concepts: Berberidaceae, Epimedium, Glycoside, Botany, Traditional medicine, Biology, Chemistry, Herb

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