alexa Antioxidant activity of Caesalpinia digyna root.
Pharmaceutical Sciences

Pharmaceutical Sciences

Medicinal & Aromatic Plants

Author(s): Srinivasan R, Chandrasekar MJ, Nanjan MJ, Suresh B

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Abstract The antioxidant properties of three successive extracts of Caesalpinia digyna Rottler root and the isolated compound, bergenin, were tested using standard in vitro and in vivo models. The amount of the total phenolic compounds present was also determined. The successive methanol extract of Caesalpinia digyna root (CDM) exhibited strong scavenging effect on 2,2-diphenyl-2-picryl hydrazyl (DPPH) free radical, 2,2'-azino-bis(3-ethylbenzo-thiazoline-6-sulphonic acid) diammonium salt (ABTS) radical cation, hydrogen peroxide, nitric oxide, hydroxyl radical and inhibition of lipid peroxidation. The free radical scavenging effect of CDM was comparable with that of reference antioxidants. The CDM having the highest content of phenolic compounds and strong free radical scavenging effect when administered orally to male albino rats at 100, 200 and 400mg/kg body weight for 7 days, prior to carbontetrachloride (CCl(4)) treatment, caused a significant increase in the levels of catalase (CAT) and superoxide dismutase (SOD) and significant decrease in the levels of lipidperoxidation (LPO) in serum, liver and kidney in a dose dependent manner, when compared to CCl(4) treated control. These results clearly indicate the strong antioxidant property of Caesalpinia digyna root. The study provides a proof for the ethnomedical claims and reported biological activities. The plant has, therefore, very good therapeutic potential. This article was published in J Ethnopharmacol and referenced in Medicinal & Aromatic Plants

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