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KMID : 1160220050330010030
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Mycobiology
2005 Volume.33 No. 1 p.30 ~ p.34
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Changes of Enzyme Activities and Compositions of Abnormal Fruiting Bodies Grown under Artificial Environmental Conditions in Pleurotus ostreatus
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Jang Kab-Yeul
Cho Soo-Muk
June Chang-Sung
Weon Hang-Yeon
Park Jeong-Sik
Choi Sun-Gyu
Cheong Jong-Chun
Sung Jae-Mo
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Abstract
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This study investigated the biochemical changes of abnormal fruiting bodies grown under artificial environmental conditions in P. ostreatus. Abnormal mushroom growth during cultivation damages the production of good quality mushroom. This study showed that different environmental conditions produced morphological changes in the fruiting bodies of P. ostreatus. The fruiting bodies with morphological changes were collected and examined for differences in biochemical properties, enzyme activities, and carbohydrates composition. The enzyme activities assay showed that glucanase and chitinase activities decreased when the temperature was below or above the optimum cultivation temperature for P. ostreatus. The biochemical compositions of the abnormal mushroom were significantly different from the normal fruiting bodies. It was suggested that the changes in the biochemical composition of abnormal mushroom were caused by the unfavorable environmental conditions during mushroom cultivation.
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KEYWORD
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Abnormal mushroom, Amino acid, Carbohydrate, Enzyme, Fatty acid, Pleurotus ostreatus
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