Enhancement of quality retention of Grifola frondosa fruiting bodies by erythorbic acid treatment
文献类型： 外文期刊
作者： Ping, Lifeng 1 ; Chen, Fengmei 2 ; Cui, Fengjie 2 ; Hu, Wanjun 2 ; Sun, Wenjing 2 ; Li, Na 2 ; Yang, Yan 4 ;
作者机构： 1.Zhejiang Univ Sci & Technol, Key Lab Recycling & Ecotreatment Waste Biomass Zh, Hangzhou 310023, Zhejiang, Peoples R China
2.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
3.Parchn Sodium Isovitamin C Co Ltd, Dexing 334221, Peoples R China
4.Shanghai Acad Agr Sci, Natl Engn Res Ctr Edible Fungi, Shanghai 201403, Peoples R China
关键词： Grifola frondosa; Erythorbic acid; Quality retention; Physico-chemical properties; Antioxidant enzymes
期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）
ISSN： 2190-572X
年卷期： 2018 年 8 卷 7 期
页码：
收录情况： SCI
摘要： In this paper, the effects of erythorbic acid (EA) treatment with different concentrations on the quality of Grifola frondosa fruiting bodies stored at 4 degrees C for 27 days were studied by determining the changes in moisture content, weight loss, browning, electrolyte leakage, malondialdehyde (MDA), and nutritional compounds. The activities of polyphenoloxidase (PPO), cellulase and other antioxidant enzymes including superoxide dismutase (SOD), catalase, and peroxidase (POD) were also measured. Results showed that 0.1% EA-treated G. frondosa fruiting body maintained lower weight loss (<6.0%, w/w), electrolyte leakage (<45.8%), MDA (<4.17 mu mol kg(-1)), and higher moisture content (>90.7%, w/w). Lower activities of PPO (<72.64 x 10(3) U kg(-1)) and cellulase (<189.86 x 10(3) U kg(-1)) in 0.1% EA-treated samples were observed compared with the other treatments. As a stereoisomer of ascorbic acid (AA), EA also could enhance SOD and POD activities of G. frondosa fruiting bodies. Our findings were the first time to evaluate the effect of EA on maintaining quality in G. frondosa fruiting bodies, and proved that low concentrations of EA (especially 0.1% EA, w/v) treatments were beneficial to preserve G. frondosa fruiting body with even higher efficiency than AA treatment. This study paved a foundation for the enhancement of quality retention of G. frondosa fruiting bodies.
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