Radiation Decomposition of Ascorbic Acid in Various Conditions
- 1 January 1970
- journal article
- Published by Japanese Society for Food Science and Technology in NIPPON SHOKUHIN KOGYO GAKKAISHI
- Vol. 17 (2) , 55-59
- https://doi.org/10.3136/nskkk1962.17.55
Abstract
Protective effects of various organic acids and other organic compounds against the radiation decomposition of AsA. (ascorbic acid) in aqueous solution were examined. Maleic acid, fumaric acid and oxalic acid showed highly protective effect as same as nitrogen gas replacement. Decomposition value of AsA. in aqueous solution per 1Mrad under the atmosphere was increased proportionally with the concentration of AsA., on the other hand the decomposition value per 1Mrad under the nitrogen gas replacement was almost constant regardless of the concentration of AsA.Oxalic accid, keto-threonic acid, reductone A, reductic acid, glycolic acid and glyceric acid were detected by paper chromatograph of decomposed AsA. which had been irradiated under the nitrogen gas replacement.Radurization treatment of citrus juice with cathode ray the radiation decomposition of AsA. was protected by the frozen state or under the nitrogen gas replacement. No radiation decomposition of AsA. in citrus fruit was detected immediately after the radurization with γ-ray and the shallow radurization with cathode ray.Keywords
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