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ABSTRACT: Three species of seaweeds collected from Tung Ping Chau, Hong Kong, were screened for their hepatoprotective activity using carbon tetrachloride (CCl4)-induced liver injury in the rat as a model of chemical hepatitis. A single oral dose of 1.25 ml/kg of CCl4 was able to produce significantly elevated levels of serum glutamic pyruvic transaminase (GPT) and glutamic oxaloacetic transminase (GOT). Administration of 150, 300 and 600 mg/kg of aqueous extracts from Myagropsis myagroides, Sargassum henslowianum and S. siliquastrum, respectively, significantly reduced the CCl4-induced acute elevation in the levels of GPT and GOT in rats. The same result was also seen in the histopathological study of liver tissue. The seaweed crude extracts probably acted to protect against CCl4-induced liver injury through their antioxidant properties.
Chemosphere 08/2000; 41(1-2):173-6. · 3.21 Impact Factor
