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  • Title: Protective effect of Phyllanthus fraternus against allyl alcohol-induced oxidative stress in liver mitochondria.
    Author: Sailaja R, Setty OH.
    Journal: J Ethnopharmacol; 2006 Apr 21; 105(1-2):201-9. PubMed ID: 16359838.
    Abstract:
    The effect of administration of allyl alcohol on the oxidative stress and the protective effect due to administration of an aqueous extract of Phyllanthus fraternus against allyl alcohol-induced damage in liver mitochondria were studied. When rats were treated with allyl alcohol, the rate of mitochondrial respiration was decreased significantly with both NAD(+)- and FAD-linked substrates. The respiratory control ratio, an index of membrane integrity and the P/O ratio, a measure of phosphorylation efficiency also decreased significantly. There was a significant increase in the lipid peroxide level and the protein carbonyl content. A significant decrease was observed in the total sulphydryl groups and a significant increase in the generation of superoxide radicals. Administration of rats with an aqueous extract of Phyllanthus fraternus (100 mg/kg) prior to allyl alcohol administration showed protection of 72, 40 and 80% using glutamate+malate (NADH oxidation) and 77, 54 and 20% using succinate as substrate on state 3, RCR and P/O ratio, respectively. The protection on lipid peroxide level was 88 and 91% in homogenate and mitochondria, respectively. In case of protein carbonyls, total sulphydryl groups and on the generation of superoxide radicals the protection was 99, 59 and 53%, respectively.
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