Abstract
Acrylamide concentrations in processed foods sold in Japanese markets were analyzed by LC-MS/MS and GC-MS methods. Most potato chips and whole potato-based fried snacks showed acrylamide concentration higher than 1000 µg/kg. The concentrations in non-whole potato based Japanese snacks, including rice crackers and candied sweet potatoes, were less than 350 µg/kg. Those in instant precooked noodles were less than 100 µg/kg with only one exception. The effect of storage condition of potato tubers on acrylamide concentration in potato chips after frying was also investigated. Sugar content in the tubers increased during cold storage, and the acrylamide concentration increased accordingly. The concentrations of asparagine and other amino acids, however, did not change during the cold storage. High correlations were observed between the acrylamide content in the chips and glucose and fructose contents in the tubers. This fact indicated that the limiting factor for acrylamide formation in potato chips is reducing sugar, not asparagine content in the tubers. Effects of roasting time and temperature on acrylamide concentration in roasted green tea are also described.
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© 2005 Springer Science+Business Media, Inc.
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Yoshida, M. et al. (2005). Acrylamide in Japanese Processed Foods and Factors Affecting Acrylamide Level in Potato Chips and Tea. In: Friedman, M., Mottram, D. (eds) Chemistry and Safety of Acrylamide in Food. Advances in Experimental Medicine and Biology, vol 561. Springer, Boston, MA. https://doi.org/10.1007/0-387-24980-X_31
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DOI: https://doi.org/10.1007/0-387-24980-X_31
Publisher Name: Springer, Boston, MA
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