Evaluation of the Antioxidant Properties of Five Mentha Species

How to Cite:Bahman NickavarAzadeh AlinaghiMohammad KamalinejadEvaluation of the Antioxidant Properties of Five Mentha Species.Iran J Pharm Res.7(3):e128592.https://doi.org/10.22037/ijpr.2010.766.

Abstract

The aim of the study was to evaluate the antioxidant and free radical scavenging properties and to determine the phenolic content of the ethanol extract from five Mentha species [M. longifolia (L.) Huds., M. piperita L., M. pulegium L., M. rotundifolia (L.) Huds., and M. spicata L.]. The antioxidant activities of the extracts were investigated with two different methods, 2,2’-diphenyl-1-picrylhydrazyl radical (DPPH^•) and 2,2’-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) radical (ABTS^•+). M. piperita exhibited the strongest activity as a DPPH^• scavenger. On the other hand, all the extracts were active in the ABTS^•+ assay and no significant difference was observed in this assay. The total phenolic content (TPC) of the extracts was determined by Folin-Ciocalteu method and M. piperita showed the highest TPC. A high correlation was found between the DPPH^• scavenging potency and the total phenolic content of the extracts (r² > 0.989).

Keywords

Total phenolic content

Mentha species

Labiatae

antioxidant activity

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Author(s):

Bahman Nickavar:[PubMed][Scholar]
Azadeh Alinaghi:[PubMed][Scholar]
Mohammad Kamalinejad:[PubMed][Scholar]