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Article: Antioxidant and hepatoprotective actions of medicinal herb, Terminalia catappa L. from Okinawa Island and its tannin corilagin.(Report)
- Article from:
- Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
- Article date:
- November 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Urban & Fischer Verlag. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract
The antioxidant and hepatoprotective actions of Terminalia catappa L. collected from Okinawa Island were evaluated in vitro and in vivo using leaves extract and isolated antioxidants. A water extract of the leaves of T. catappa showed a strong radical scavenging action for l, l-diphenyl-2-picrylhydrazy and superoxide ([O.sub.2.sup.[dot][bar]]) anion. Chebulagic acid and corilagin were isolated as the active components from T. catappa. Both antioxidants showed a strong scavenging action for [O.sub.2.sup.[dot][bar]] and peroxyl radicals and also inhibited reactive oxygen species production from leukocytes stimulated by phorbol-12-myristate acetate. ...
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