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Published on:9th July 2014
Free Radicals and Antioxidants, 2014; 4(2):27-32
Original Article | doi:10.5530/fra.2014.2.6

Assessment of in vitro antioxidant and antimicrobial properties of cultivated Pleurotus ostreatus: An edible mushroom

Authors and affiliation (s):

K. Deepalakshmi, S. Mirunalini*

Department of Biochemistry & Biotechnology, Annamalai University, Tamil Nadu, India


Objectives: In this study, Pleurotus ostreatus was cultivated under the laboratory condition and investigated for its in vitro antioxidant and antimicrobial property. Materials and Methods: To study the total antioxidant activity we performed 2,2’-azinobis-3-ethylbenzothiazoline-6-sulfdonic acid, 1,1-diphenyl-2-picrylhydrazyl, superoxide anion, hydroxy radical-scavenging assays. Result: The P. ostreatus ethanolic extract (POEet) exhibited potent scavenging activity there by Posses increased antioxidant capacity when compared with positive control ascorbic acid. Moreover, we extended our work to investigate the antimicrobial activity of POEet which showed increasing zone of inhibition of extract with Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia. Conclusion: Our fi nding confi rms that P. ostreatus is a potent natural antioxidant and act as prevailing antimicrobial agent to promote public health by making it as a part of normal diet to reduce the risk of various diseases.

Key words: Antimicrobial activity, antioxidant property, lingocellulosic substances, Pleurotus ostreatus


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