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KMID : 0380619890210050669
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Korean Journal of Food Science and Technology
1989 Volume.21 No. 5 p.669 ~ p.675
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Effect of Ionizing Radiation of Physiological Characteristics of Fresh Mushrooms(Agaricus bisporus L .)
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조한옥/Cho, Han Ok
권중호/변명우/차보숙/김중만/강세식/Kwon, Joong Ho/Byun, Myung Woo/Cha, Bo Sook/Kim, Joong Man/Kang, Se Sik
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Abstract
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Fresh mushroom (Agaricus htsporus L.) was irradiated (0, 1, 2, 3kGy) and kept for 20 days at 91 and 80±7% RH. Parameters of qualities were investigated on the physical and physiological characteristics. The pileus and stipe on nonirradiated mushroom were expanded and elongated from the 3rd day of storage, there by losing the acceptability as edible samples. After 5 days of storage, 2 to 3 kGy of gamma irradiation were especially effective for controllong natural maturation and senescence of fresh mushrooms. and so irradiated mushrooms were acceptable more than 20 days storage. The texture of irradiated samples was superior to that of nonirradiated samples, even though softening of the tissue occurred during storage. Weight loss was greatest in the nonirradiated sample due to evaporation from an increased surface area resulting from expansion and ripending, which were retarded in the 2 to 3 kGy irradiated samples after 5 days of storage. These results suggest that the irradiation dose of to 3 kGy is apparently effective to extend the shelf life of fresh mushrooms stored at the above mentioned condition.
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