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Antioxidant and free radical scavenging effect of D-carvone in hypertensive rats. In vivo and in vitro study

100%

Rajeshwari T., Raja B.

International Letters of Natural Sciences

2015

tom 08

This study was planned to assess the antioxidant and free radical scavenging effect of D-carvone against L-NAME (Nω-nitro-L-arginine methyl ester hydrochloride) induced hypertension. Hypertension was encouraged in adult male albino rats of the Wistar strain, considering 180–230 g, by oral administration of the L-NAME (40 mg/kg/ body weight/day) in drinking water for 4 weeks. Rats were cured with D-carvone (5, 10 and 20 mg/kg body weight) for four weeks. A significant reduction in the levels of non-enzymatic antioxidants such as vitamin C, vitamin E and reduced glutathione (GSH), in plasma were perceived in L- NAME induced hypertensive rats. Moreover, in vitro free radical scavenging activity of ABTS+ and DPPH• radical scavenging possible of D-carvone was also quantified. Treatment with D-carvone (5, 10 and 20 mg/kg bw) carries back all the above parameters to near usual level, in which 20 mg/kg displayed the highest effect than that of other two doses. Further, D-carvone displays concentration dependent antioxidant potential. These results suggest that D-carvone acts as an antioxidant and free radical scavenging agent against L-NAME induced hypertension.

D-carvone, a monoterpene reverses alterations in heart rate, nitric oxide, aortic lipids and enzymatic antioxidant status in nitric oxide deficient hypertensive rats

84%

Rajeshwari T., Raja B.

International Letters of Natural Sciences

2015

tom 05

The present study was aimed to assess the antihyperlipidemic, antihypertensive and antioxidant effect of D-carvone, a monoterpene against Nω-nitro-L-arginine methyl ester hydrochloride (L-NAME) induced hypertension. Hypertension was prompted in adult male albino rats of the Wistar strain by oral administration of the L-NAME (40 mg/kg body weight) in drinking water for 4 weeks. Rats were treated with D-carvone (5, 10 and 20 mg/kg body weight) for four weeks. L-NAME treated rats exhibited significant increase in water intake, heart rate, aortic lipids level such as triglycerides (TG), total cholesterol (TC), free fatty acids (FFA) and significant decrease in the level of phospholipids (PL), plasma nitric oxide (NO). The activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) were decreased in erythrocytes of L-NAME induced hypertensive rats. Treatment with D-carvone restored all the above parameters to near normal level. These results suggest that D-carvone acts as an antihyperlipidemic, antihypertensive and antioxidant agent against L-NAME induced hypertensive rats.

Ograniczanie wyników

2 International Letters of Natural Sciences

2 Raja B.

2 Rajeshwari T.

2 2015

Wyniki wyszukiwania

Antioxidant and free radical scavenging effect of D-carvone in hypertensive rats. In vivo and in vitro study

D-carvone, a monoterpene reverses alterations in heart rate, nitric oxide, aortic lipids and enzymatic antioxidant status in nitric oxide deficient hypertensive rats