ASIA unversity:Item 310904400/8415
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    題名: Antioxidant properties of ethanolic extracts from culinary-medicinal button mushroom Agaricus bisporus (J. Lange) imbach (agaricomycetideae) harvested at different stages of maturity
    作者: 蔡淑瑤;Tsai, Shu-Yao;吳彩平;Wu, Tsai-Ping;黃仕政;Huang, Shih-Jeng;毛正倫;Mau, Jeng-Leun
    貢獻者: 保健系
    關鍵詞: Agaricus bisporus;medicinal mushrooms;edible mushrooms;antioxidant activity;reducing power;scavenging ability;chelating ability;antioxidant components;LIPID-PEROXIDATION;ALPHA-TOCOPHEROL;PLANT-LEAVES;AUTOXIDATION;OXIDATION;OIL
    日期: 2008
    上傳時間: 2010-03-26 02:46:32 (UTC+0)
    出版者: Asia University
    摘要: Agaricus bisporus (J. Lange) Imbach (button mushrooms) were harvested at different stages of maturity and the antioxidant properties of their ethanolic extracts were studied. With regard to EC50 values of antioxidant activities determined by the conjugated diene method, fruiting bodies harvested at stages 1, 4, and 5 were more effective than those at stages 2 and 3. All ethanolic extracts showed comparable reducing power and effective scavenging abilities on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals. EC50 values were 3.85-6.11 mg/mL, 3.49-4.78 mg/mL, 0.41-0.70 mg/mL, and 9.05-16.20 mg/mL for antioxidant activity, reducing power, scavenging ability on DPPH radicals, and chelating ability on ferrous ions, respectively. The major antioxidant components found in ethanolic extracts were total phenols (9.44 to 10.02 mg/g). Contents of total antioxidant components (ascorbic acid, total tocopherols, and total phenols) were associated with EC50 values of chelating ability on ferrous ions (r = 0.927). Overall, ethanolic extracts from fruiting bodies of A. bisporus harvested at different stages of maturity showed effective antioxidant properties.
    關聯: INTERNATIONAL JOURNAL OF MEDICINAL MUSHROOMS, 10(2): 127-137.
    顯示於類別:[食品營養與保健生技學系] 期刊論文

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