用本法提得的构叶总黄酮甙含量约为0.22%。

Flavooids extracted from the Leaves amount to about 0.22%.

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利用RP-HPLC法，采用保留时间定性，结合化学方法，证实罗汉果中含有黄酮甙元山奈酚，并首次发现含有黄酮甙元槲皮素，第一次总结出罗汉果鲜果中总黄酮含量的变化规律。

A kind of flavonol named quercetin was first found and by their retention times in RP-HPLC and chemical characters a known flavonol named kaempferol was proved to be contained in Luohanguo fruits.

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