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Table 1 Contents of Gb and YY-1224

From: YY-1224, a terpene trilactone-strengthened Ginkgo biloba, attenuates neurodegenerative changes induced by β-amyloid (1-42) or double transgenic overexpression of APP and PS1 via inhibition of cyclooxygenase-2

Contents

Gb (%)

YY-1224 (%)

Ginkgo flavone glycosides

Quercetin

24

24.6

Kaempferol

Isorhamnetin

Terpene trilactones

Bilobalide

6

12.9

Ginkgolide A

Ginkgolide B

Ginkgolide C