Abstract Title:

Hydroxyl scavenging activity accounts for differential antioxidant protection of Plantago major against oxidative toxicity in isolated rat liver mitochondria.

Abstract Source:

J Pharm Pharmacol. 2012 Aug ;64(8):1177-87. Epub 2012 Mar 22. PMID: 22775221

Abstract Author(s):

Joyce C Mello, Natalia S S Guimarães, Mariano V D Gonzalez, Juliana S Paiva, Tatiana Prieto, Otaciro R Nascimento, Tiago Rodrigues

Article Affiliation:

Joyce C Mello

Abstract:

OBJECTIVES: The aim of this work was to study the effects of P. major against the oxidative damage of isolated rat liver mitochondria.

METHODS: The extracts were obtained using methanol (MeOH), ethyl acetate (EAc), dichloromethane (DCM), and hexane (Hex) as solvents.

KEY FINDINGS: Hex, DCM, and EAc totally, and MeOH partially, inhibited ROS generation and lipid peroxidation of membranes induced by Fe(2+) or t-BOOH. However, only MeOH was able to prevent the t-BOOH-induced glutathione and NAD(P)H oxidation. All extracts chelated Fe(2+) and reduced DPP Hradicals. EPR analysis revealed that P. major exhibited potent scavenger activity for hydroxyl radicals.

CONCLUSIONS: The potent antioxidant activity exhibited by P. major was able to prevent oxidative mitochondrial damage, contributing to the understanding of its hepatoprotective action against ROS-mediated toxicity.

Study Type : In Vitro Study

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Sayer Ji
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