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Antioxidant Action of Ginkgo Biloba Extract (EGB 761)

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Food and Free Radicals

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Abstract

Extracts from the leaves of Ginkgo biloba trees have been used therapeutically for centuries in traditional Chinese medicine, and in modern Chinese pharmacopoeias both the leaves and fruits are recommended for treating problems of heart and lungs. EGb 761 is a dry, powdered extract prepared from Ginkgo biloba leaves. It is a standardized mixture of several different chemical constituents; its two major classes of compounds are flavonoid glycosides and terpenoids (Drieu 1986; DeFeudis 1991). The flavonoid fraction is mainly composed of three flavonols: quercetin, kaempferol, and isorhamnetin, which are linked to a sugar(DeFeudis 1991). The terpenoid fraction is composed of ginkgolides and bilobalides(Drieu 1988). It also contains some organic acids, which help make it water-soluble(Drieu 1986).

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Authors and Affiliations

  1. 251 Life Sciences Addition, Department of Molecular and Cell Biology, University of California, Berkeley, CA, 947203-200, USA

    Lester Packer

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  1. Lester Packer
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Editors and Affiliations

  1. Yamagata Technopolis Foundation, Yamagata, Japan

    Midori Hiramatsu

  2. Kyoto Prefectural University of Medicine, Kyoto, Japan

    Toshikazu Yoshikawa

  3. Osaka City University Medical School, Osaka, Japan

    Masayasu Inoue

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© 1997 Springer Science+Business Media New York

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Packer, L. (1997). Antioxidant Action of Ginkgo Biloba Extract (EGB 761). In: Hiramatsu, M., Yoshikawa, T., Inoue, M. (eds) Food and Free Radicals. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1837-6_7

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  • DOI: https://doi.org/10.1007/978-1-4899-1837-6_7

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4899-1839-0

  • Online ISBN: 978-1-4899-1837-6

  • eBook Packages: Springer Book Archive

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