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This study was carried out to investigate the changes in the biological activity and nutritional content of Flammulina velutipes, Grifola frondosa, and Sparassis crispa extracts after roasting treatment. Regarding biological activities, the DPPH radical scavenging activity was the highest in the extracts of air-dried G. frondosa, while the nitrite scavenging activity was significantly higher in the extracts of roasted S. crispa (p<0.05). The total polyphenol contents of F. velutipes and S. crispa were significantly increased by the roasting treatment compared with those in fresh samples (p<0.05). Regarding the amino acid composition of edible mushrooms, the content of sweet-taste amino acids, including serine (Ser) and alanine (Ala), increased in G. frondosa after roasting, whereas bitter amino acids, including decreased in roasted versus samples. Moreover, the contents of essential amino acids such as leucine (Leu), isoleucine (Ile), methionine (Met), valine (Val), and histidine (His) in F. velutipes and S. crispa were increased due to the roasting treatment (versus fresh samples). Thus, it was confirmed that the r method is effective in improving the nutritional content of edible mushrooms.

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• 안기홍 [ Gi-Hong An | 농촌진흥청 국립원예특작과학원 인삼특작부 버섯과 ]
• 한재구 [ Jae-Gu Han | 농촌진흥청 국립원예특작과학원 인삼특작부 버섯과 ]
• 김옥태 [ Ok-Tae Kim | 농촌진흥청 국립원예특작과학원 인삼특작부 버섯과 ]
• 조재한 [ Jae-Han Cho | 농촌진흥청 국립원예특작과학원 인삼특작부 버섯과 ] Corresponding Author

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