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ORIGINAL ARTICLE
Year : 2010  |  Volume : 6  |  Issue : 22  |  Page : 125-131

Antioxidant and hepatoprotective effects of the methanol extract of the leaves of Satureja macrostema


1 Laboratorio de Investigacion de Productos Naturales. Escuela Superior de Ingenieria Química e Industrias extractivas IPN. Punto fijo 16, Col. Torres Lindavista cp 07708. D.F, Mexico
2 Laboratorio de Tecnología de Alimentos, Carpio/Plan de Ayala S/N, Casco de Santo Tomas D.F, Mexico

Correspondence Address:
Rosa Martha Perez Gutierrez
Laboratorio de Investigación de Productos Naturales. Escuela Superior de Ingeniería Química e Industrias extractivas IPN. Punto fijo 16, Col. Torres Lindavista cp 07708. D.F
Mexico
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.62901

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Satureja Macrostema is used both as a functional food and as a drug. In this study, the antioxidative potential of the methanol extract of Satureja Macrostema (SM) was evaluated using various antioxidant assays, including DPPH, superoxide, nitric oxide (NO), hydroxyl radical scavenging and iron-chelating activity. Total phenolic and flavonoid content of SM was also determined by a colorimetric method. The extract exhibited powerful free radical scavenging, especially against DPPH, hydroxyl radical scavenging and iron-chelating activity as well as a moderate effect on NO and superoxide anions. The protective effects of methanol extract of SM were studied in carbon tetrachloride-reduced biochemical markers of hepatic injury such as glutamate pyruvate transaminase (SGPT), serum glutamate oxalaoacetate transaminase (SGOT), alkaline phosphatase (ALP), serum bilirubin, cholesterol alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels. The increased level of HDL demonstrated dose dependant reduction in the in vivo peroxidation induced by CCl4. SM could protect from paracetamol-induced lipid peroxidation eliminating the deleterious effects of toxic metabolites from paracetamol. Degree of protection was measured by using biochemical parameters such as serum transaminase (GOT and GPT), alkaline phosphatase (ALKP) and bilirubin. Hexane and chloroform extracts did not show any effects. Results obtained in the present study suggest that S. Macrostema elicits hepatoprotectivity through antioxidant activity on carbon tetrachloride- and paracetamol-induced hepatic damage in rats.


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