Investigation of Biologically Active Components in Ginkgo Leaf Products on the Japanese Market

Yasuhiro KAKIGI; Takashi HAKAMATSUKA; Yukihiro GODA; Takeshi ICHO; Naoki MOCHIZUKI

doi:10.1271/bbb.100838

This article has now been updated. Please use the final version.

Investigation of Biologically Active Components in Ginkgo Leaf Products on the Japanese Market

Yasuhiro KAKIGI, Takashi HAKAMATSUKA, Yukihiro GODA, Takeshi ICHO, Naoki MOCHIZUKI

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Keywords: Ginkgo biloba, flavonol aglycone, flavonol glycoside, hydrolysis, ultra high-performance liquid chromatography

JOURNAL FREE ACCESS Advance online publication

Article ID: 100838

DOI https://doi.org/10.1271/bbb.100838

The final version of this article is now available: Vol. 75 (2011) , No. 4 p.777

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Abstract

The rapid and highly separative ultra high-performance liquid chromatography (UHPLC)-UV method was adopted and validated to investigate the flavonol glycoside compositions in ginkgo leaf products on the Japanese market. The result indicates that certain products contained amounts of flavonol glycosides approximately equivalent to the medicinal product. Additionally, we examined the correlations between the total amount of flavonol glycosides and of terpene lactones in various ginkgo leaf products.

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