Antioxidant potential of phenolic extracts of Mimusops elengi

Journal Title: Asian Pacific Journal of Tropical Biomedicine - Year 2012, Vol 2, Issue 7

Abstract

Objective To evaluate the antioxidant potential of the phenolic extracts of Mimusops elengi (M. elengi) L. (Sapotaceae). Methods The extract of stem bark and seeds of M. elengi were prepared in methanol and acetone:water (7:3). The acetone: water was further partitioned with ethyl acetate and n-butanol. Antioxidant activity of the extracts and partitioned fractions of M. elengi was evaluated in terms of radical scavenging potential (DPPH), inhibition of lipid peroxidation [ferric thiocyanate (FTC)], and total antioxidant activity (phosphomolybdate method). Total phenolics content were calculated using Folin-Ciocalteu reagent. Results The stem bark extract partitioned with ethyl acetate exhibited highest amount of total phenols (98.0 mg GAE/g dry weight), among all other extracts, with 92.0% DPPH radical scavenging activity at concentration of 0.5 mg/mL, while methanol extract (stem bark) had maximum inhibition of lipid peroxidation (62.0%) and total antioxidant activity (771.0 mg/g GAE/g). A positive correlation occurred between total phenols and radical scavenging activity (R2 = 0.922 9) and total antioxidant activity (R2 = 0.945 1). Conclusions Our study suggested that antioxidant activity of stembark extract of M. elengi is due the presence of phenolic compounds. Furthermore, the bark extract is a valuable source of natural antioxidants.

Authors and Affiliations

Durre Shahwar, Muhammad Asam Raza

Keywords

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  • EP ID EP257073
  • DOI 10.1016/S2221-1691(12)60094-X
  • Views 63
  • Downloads 0

How To Cite

Durre Shahwar, Muhammad Asam Raza (2012). Antioxidant potential of phenolic extracts of Mimusops elengi. Asian Pacific Journal of Tropical Biomedicine, 2(7), 547-550. https://europub.co.uk/articles/-A-257073