Please use this identifier to cite or link to this item: http://umt-ir.umt.edu.my:8080/handle/123456789/9000
Title: Comparison of antioxidant activities in different species mushrooms in the market
Authors: Lee, Sook Hui
Keywords: LP 20 FASM 3 2007
Lee, Sook Hui
Issue Date: 2007
Publisher: Terengganu: Universiti Malaysia Terengganu
Abstract: Four different species mushroom in the market including ear mushroom (Auricularia auricula), enoki (Flammunila velutipes), shiitake (Lentinula edodes), and tree oyster mushroom (Pleurotus pulmonarius) were obtained and methanolic extracts were prepared from these mushrooms and their antioxidant properties were studied. The antioxidant activities by B-carotene bleaching method or known as B-carotene linoleate model system were low to moderate at concentration with 2mg/ml (6.45% - 45.16%), moderate at 4mg/m1 (46.34% - 56.10%). At the concentration with 6mg/ml, the antioxidant activities were low from 18.18% for A. auricula to high 90.9 1 % for F. velutipes and the antioxidant activities were moderate to high at 8mg/ml (40.54% - 70.68%). Scavenging effects on 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radicals were moderate (48.99% - 55.74%) at the concentration of 4mg/ml and among the samples tested A.auricula was the best mushroom type compared to others.
URI: http://umt-ir.umt.edu.my:8080/xmlui/handle/123456789/9000
Appears in Collections:Fakulti Agroteknologi dan Sains Makanan

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