Abstract
The potato (Solanum tuberosum L.) is an important food crop worldwide. Potato tubers can be stored to provide continuity of supply between production seasons, but it is important that they be stored under appropriate conditions as incorrect storage will result in deterioration in end user quality and may increase glycoalkaloid levels. We have investigated the effects of types of household storage on potato glycoalkaloid content (total glycoalkaloids [TGA]; α-solanine; α-chaconine) in Turkey. Tubers of potato cultivars (cvs.) Agria and Bettina were stored under four types of storage conditions (indirect sunlight for 10 h per day and dark storage for the remaining 14 h per day; storage under continuous fluorescent light; storage in constant darkness; storage in the dark in a refrigerator) for 56 days. Samples of tubers were taken at the beginning of the storage period and after 14, 28 and 56 days of storage for tuber glycoalkaloid measurement. Tubers stored in the three light environments showed an increase in glycoalkaloid levels; however, none of the cv. Agria tubers reached the critical level of 200 mg/kg tuber. On day 56 the TGA level of cv. Bettina tubers stored under fluorescent light reached 234.31 mg/kg.
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Acknowledgements
This paper is a part of Cemal Kasnak’s PhD thesis. We thank TUBITAK Scientific Support Department for the 2211-PhD Scholarship program which provided financial support.
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Kasnak, C., Artik, N. Change in Some Glycoalkaloids of Potato under Different Storage Regimes. Potato Res. 61, 183–193 (2018). https://doi.org/10.1007/s11540-018-9367-2
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DOI: https://doi.org/10.1007/s11540-018-9367-2