KMID : 1134820000290030437
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Journal of the Korean Society of Food Science and Nutrition 2000 Volume.29 No. 3 p.437 ~ p.441
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Gamma Irradiation for the Inhibition of Shrimp (Penaeus aztecus) Allergy
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Kim Jae-Hun
Lee Ju-Woon Yook Hong-Sun Kim Jung-Ok Byun Myung-Woo
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Abstract
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Food irradiation technology was conducted to reduce shrimp allergy. The experiment was designated in 3 portions as follows; A, the irradiation of raw shrimp; B the irradiation of shrimp and then cooking; and C, cooking the shrimp and then irradiating. Gamma irradiation was done with doses of 1, 3, 5, 7, 10 kGy. A shrimp sarcoplasmic protein solution (SSPS) and a myofibrillar protein solution (SMPS) were prepared from A portion. Cooked shrimp protein solutions were also prepared from B and C portions. The binding abilities of the shrimp allergic patients¡¯ IgE and mouse monoclonal Ab 4.9.5 (mAb 4.9.5), produced to the shrimp heat-stable protein, to each sample solution were determined by ELISA. Binding abilities of patients¡¯ IgE and mAb 4.9.5 to irradiated shrimp fractions were dose-dependently reduced. The cooking treatment after irradiation was more effective than the irradiation treatment after cooking in the reduction of the binding abilities of IgE and IgG. SDS-PAGE was performed to compare irradiated shrimp proteins with non-irradiated shrimp proteins. SDS-PAGE showed that no bands were changed by gamma irradiation. The results indicated that food irradiation with an adequate dose can be reduce allergenicity of shrimp.
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KEYWORD
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gamma irradiation, shrimp allergy
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