Antioxidant capacity of fresh and processed fruit bodies and mycelium of auricularia auricula-judae (Fr.) quel

Kho, Y.S. and Vikineswary, S. and Abdullah, N. and Kuppusamy, Umah Rani and Oh, H.I. (2009) Antioxidant capacity of fresh and processed fruit bodies and mycelium of auricularia auricula-judae (Fr.) quel. Journal of Medicinal Food, 12 (1). pp. 167-174. ISSN 1096-620X

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Official URL: http://online.liebertpub.com/doi/abs/10.1089/jmf.2...

Abstract

Auricularia auricula-judae is currently grown in Malaysia. In the present study, the methanolic extracts from fruit bodies (fresh, oven-dried, and freeze-dried) and mycelium of A. auricula-judae were evaluated for their antioxidant capacities based on 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity and ferric reducing antioxidant power (FRAP) assay. The total phenolic content in the extracts were also measured. The extract of freeze-dried fruit bodies of A. auricula-judae had potent DPPH free radical scavenging activity with a 50 effective concentration of 2.87 mg/mL, whereas the FRAP value of A. auricula-judae mycelium was 5.22 mu mol of FeSO(4)center dot 7H(2)O equivalents/g of mycelium sample. Further, a positive correlation (R(2) = 0.7668) between FRAP level of A. auricula-judae extracts and the total phenolic contents was observed. Thus the method of processing of fresh fruit bodies had an effect on the antioxidant potential of A. auricula-judae.

Item Type: Article
Additional Information: Kho, Y. S. Vikineswary, S. Abdullah, Noorlidah Kuppusamy, U. R. Oh, H. I.
Uncontrolled Keywords: Auricularia Auricula-Judae; Ferric Reducing Antioxidant Power (FRAP)
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms Haslinda Lahuddin
Date Deposited: 02 Aug 2013 01:38
Last Modified: 18 Apr 2019 08:02
URI: http://eprints.um.edu.my/id/eprint/8188

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