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라면 건조 수프 재료의 방사선 조사 검지를 위한 Thermoluminescence 활용 Detection of Post-Irradiation of Dry Soup Base Ingredients in Instant Noodle by Thermoluminescence Technique

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한국식품과학회 한국식품과학회지 한국식품과학회지 제30권 제4호
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759 - 766 (8page)
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라면 건조 수프 재료의 방사선 조사 검지를 위한 Thermoluminescence 활용
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    초록·키워드

    It was determined whether thermoluminescence (TL) technique is a potential method to detect post-irradiation of dry soup base mix for instant noodle and its ingredients. The ingredients or the mixtures were irradiated, from which minerals were isolated using sodium polytungstate solution. Their TL signals (1st glow TL intensity/2nd glow TL intensity reirradiated at 48.6 Gy) were measured. The TL signals in temperature ranges of 229~295°C and 229~361°C showed larger differences between unirradiated and irradiated samples compared to other ranges. The average TL signals for unirradiated garlic powder, ginger powder, black pepper powder, onion powder, red pepper powder, and sesame seeds were below 0.2, while those for onion powder, red pepper powder, and sesame seeds irradiated at 10 kGy were over 20 in the two temperature ranges. The average TL signals for unirradiated soup mixture were 0.08 and 0.1, respectively, in the two temperature ranges, while those for the mixtures containing 10 kGy-irradiated onion powder, red pepper powder, and sesame seeds individually or in combination were over 7. The average TL signals for the mixtures irradiated 1, 5, and 10 kGy were over 10.

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      UCI(KEPA) : I410-ECN-0101-2013-573-001630683