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KMID : 0380619730050020095
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Korean Journal of Food Science and Technology
1973 Volume.5 No. 2 p.95 ~ p.100
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Effect of Gamma - Irradiation on the Storage Stability and Quality of Polished Wheat
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Abstract
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In order to study the effect of gamma-ray on the storage stability and quality of polished wheat, the grain was irradiated at 50∼1000 krad levels and quality assessment was made for three-month storage period. The results are summarized as follows:
1) Growth of molds was apparent at equilibrium moisture content above 14.8% of the grain, but their growth was retarded at 250 krad level.
2) Irradiation at 250 krad level had no adverse effect on fat acidity, reducing sugar content and color of the grain.
3) Irradiation of the grain caused the increase of degree of gelatinization and the decrease of viscosity.
4) Irradiation at 250 krad level brought about higher digestibility of the grain but had no effect on the rate of retrogradation.
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