Identification of Irradiated Potatoes by Impedance Measurements
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概要
- 論文の詳細を見る
Measuring the impedance was found to be a highly reliable and practical technique for identifying irradiated potatoes. Impedance was measured by puncturing a potato tuber with a steel electrode and passing a 3 - 5 mA alternating current through it. Three parameters were determined: Z0/Z180 (impedance ratio at 5 kHz, 0 to 180 seconds after puncturing), Z50k/Z0.5k (impedance ratio at 50 kHz to 0.5 kHz) and Z50k/Z5k (impedance ratio at 50 kHz to 5 kHz). Among these, parameter Z50k/Z5k was the most favourable index. The technique allowed not only differentiation between unirradiated and irradiated potatoes but an estimation of the irradiation dose for up to six months after irradiation, independent of the potato storage condition.
- 社団法人 日本農芸化学会の論文
著者
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HAYASHI Toru
National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries
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Hayashi Toru
National Food Research Institute Ministry Of Agriculture Forestry And Fisheries
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KAWASHIMA Koji
National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries
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IWAMOTO Mutsuo
National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries
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