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International Journal of Medicinal Mushrooms
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ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v13.i3.60
pages 265-272

Nonvolatile Taste Components of Culinary-Medicinal Maitake Mushroom, Grifola frondosa (Dicks.:Fr.) S.F. Gray

Shih-Jeng Huang
Department of Health Food, Chung Chou University of Science and Technology, Yuanlin, Changhua 51003, Taiwan, Republic of China
Shu-Yao Tsai
Department of Food Nutrition and Health Biotechnology, Asia University, Wufeng, Taichung, Taiwan, Republic of China; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, Republic of China
Shin-Yi Lin
Department of Food Science and Biotechnology, National Chung-Hsing University, Taichung, Taiwan, Republic of China; NCHU-UCD Plant and Food Biotechnology Program, Biotechnology Center, National Chung Hsing University, Taichung, Taiwan, Republic of China; Agricultural Biotechnology Center, NCHU, Taiwan, R.O.C
Chih-Hung Liang
Department of Nutrition and Health Science, Chungchou Institute of Technology, Yuanlin, Changhua 51003, Taiwan, ROC; Department of Food Science, Tunghai University, Taiwan, R.O.C.
Jeng-Leun Mau
Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan, Republic of China

RÉSUMÉ

Culinary-medicinal maitake mushroom Grifola frondosa (Dicks.: Fr.) S.F. Gray mycelium was inoculated into wheat, a new product was formed after fungal fermentation, and its nonvolatile taste components were studied. Contents of crude ash, fat, fiber, and protein were higher in fruit bodies and mycelia, whereas carbohydrate contents were higher in the uninoculated and fermented wheat. Contents of total soluble sugars and polyols were 234.06, 111.70, 88.58, and 28.83 mg/g for fermented wheat, fruiting bodies, mycelia, and wheat, respectively. Contents of total free amino acids were in the descending order of mycelia > fermented wheat > fruiting bodies > wheat. Contents of total 5’-nucleotides were in the descending order: fruiting bodies > mycelia > fermented wheat > wheat. Based on the results obtained, fruiting bodies and mycelia possessed highly intense umami taste. Overall, as a result of solid-state fermentation, fermented wheat contained more taste components and a higher equivalent umami concentration than wheat did.


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