광자극발광기(PSL)를 식품의 방사선조사 여부 판별에 적용 가능한지를 검토하기 위하여, 고춧가루, 건조혼합향신료, 새우, 감자, 콩나물콩, 건조 무화과, 생밤, 건조오징어, 건조대구포 등을 $^{60}Co\;{\gamma}-$선을 사용하여 방사선을 조사하고 PSL photon counts를 측정하였다. 비조사 시료의 photon counts는 감자의 경우는 2,000 이하, 그 외의 시료의 경우는 모두 1,000 이하를 나타냈다. 조사 시료는 건조 무화과(0.5 kGy), 생밤(0.2 kGy), 건조오징어(0.5 kGy)를 제외하고는 1,000 이상을 나타냈으며, 조사량에 따라 photon counts가 대부분 증가하였다. 따라서 PSL은 식품을 방사선 조사했는지 여부를 일차 판별하는 데 사용할 수 있음이 확인되었다.
광자극발광기(PSL)를 식품의 방사선조사 여부 판별에 적용 가능한지를 검토하기 위하여, 고춧가루, 건조혼합향신료, 새우, 감자, 콩나물콩, 건조 무화과, 생밤, 건조오징어, 건조대구포 등을 $^{60}Co\;{\gamma}-$선을 사용하여 방사선을 조사하고 PSL photon counts를 측정하였다. 비조사 시료의 photon counts는 감자의 경우는 2,000 이하, 그 외의 시료의 경우는 모두 1,000 이하를 나타냈다. 조사 시료는 건조 무화과(0.5 kGy), 생밤(0.2 kGy), 건조오징어(0.5 kGy)를 제외하고는 1,000 이상을 나타냈으며, 조사량에 따라 photon counts가 대부분 증가하였다. 따라서 PSL은 식품을 방사선 조사했는지 여부를 일차 판별하는 데 사용할 수 있음이 확인되었다.
It was determined whether photostimulated luminescence (PSL) is applicable to the detection of post-irradiation of foods by measuring PSL photon counts for unirradiated and irradiated pepper powder, dried herbs, fresh shrimp, potato, soybean, dried fig, chestnut, dried squid, and dried cod. The samp...
It was determined whether photostimulated luminescence (PSL) is applicable to the detection of post-irradiation of foods by measuring PSL photon counts for unirradiated and irradiated pepper powder, dried herbs, fresh shrimp, potato, soybean, dried fig, chestnut, dried squid, and dried cod. The samples were irradiated with $^{60}Co\;{\gamma}-ray$ source and PSL photon counts were measured for them. The photon counts of unirradiated samples were lower than 2,000 for potatoes and less than 1,000 for the others. The photon counts of the irradiated samples except dried figs (0.5 kGy), chestnuts (0.2 kGy), and dried squid (0.5 kGy) were higher than 1,000, and the photon counts increased with dose. Thus, PSL might be applied to the primary detection of irradiated foods.
It was determined whether photostimulated luminescence (PSL) is applicable to the detection of post-irradiation of foods by measuring PSL photon counts for unirradiated and irradiated pepper powder, dried herbs, fresh shrimp, potato, soybean, dried fig, chestnut, dried squid, and dried cod. The samples were irradiated with $^{60}Co\;{\gamma}-ray$ source and PSL photon counts were measured for them. The photon counts of unirradiated samples were lower than 2,000 for potatoes and less than 1,000 for the others. The photon counts of the irradiated samples except dried figs (0.5 kGy), chestnuts (0.2 kGy), and dried squid (0.5 kGy) were higher than 1,000, and the photon counts increased with dose. Thus, PSL might be applied to the primary detection of irradiated foods.
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