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2011•Journal of Shaanxi University of Science & TechnologyRequires access

EFFECTS OF DIFFERENT TREATMENT ON THE BIO-ACTIVE CONSTITUENTS OF GINKGO BILOBA LEAVES

Gao Cun-xiu

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Abstract

Through the different withering and drying method on Ginkgo Biloba leaves to study the bio-active constituents of Ginkgo Biloba leaves.Results show that when Ginkgo Biloba leaves is withering in 30 ℃ sunshine for 5 h,and then 70 ℃ drying,the yield rate of gingko flavonoids is 1.72%,the yield rate of ginkgolic acids is only 0.58%,ginkgolic acid content decreased 69%.

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What this paper is about

Through the different withering and drying method on Ginkgo Biloba leaves to study the bio-active constituents of Ginkgo Biloba leaves.Results show that when Ginkgo Biloba leaves is withering in 30 ℃ sunshine for 5 h,and then 70 ℃ drying,the yield rate of gingko flavonoids is 1.72%,the yield rate of ginkgolic acids is only 0.58%,ginkgolic acid content decreased 69%.

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Available abstract

Through the different withering and drying method on Ginkgo Biloba leaves to study the bio-active constituents of Ginkgo Biloba leaves.Results show that when Ginkgo Biloba leaves is withering in 30 ℃ sunshine for 5 h,and then 70 ℃ drying,the yield rate of gingko flavonoids is 1.72%,the yield rate of ginkgolic acids is only 0.58%,ginkgolic acid content decreased 69%.

Key concepts: Ginkgo biloba, Ginkgo, Yield (engineering), Chemistry, Ginkgoales, Horticulture, Botany, Traditional medicine

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