The effects of low-temperature potato storage and washing and soaking pre-treatments on the acrylamide content of French fries
Burch, R.S., Trzesicka, A., Clarke, M., Elmore, J.S., Briddon, A., Matthews, W. and Webber, N. (2008) The effects of low-temperature potato storage and washing and soaking pre-treatments on the acrylamide content of French fries. Journal of the Science of Food and Agriculture, 88 (6). pp. 989-995. ISSN 0022-5142
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To link to this article DOI: 10.1002/jsfa.3179
BACKGROUND: Since the discovery in 2002 of acrylamide in a wide range of foods, there has been much work done to explore mechanisms of formation and to reduce acrylamide in commercial products. This study aimed to investigate simple measures which could be used to reduce acrylamide formation in home-cooked French fries, using potatoes from three cultivars stored under controlled conditions and sampled at three time points. RESULTS: The reducing sugar content for all three cultivars increased during storage, which led to increased acrylamide levels in the French fries. Washing and soaking (30 min or 2 h) raw French fries before cooking led to reductions in acrylamide of up to 23, 38 and 48% respectively. Pre-treated fries were lighter in colour after cooking than the corresponding controls. CONCLUSION: Pre-treatments such as soaking or washing raw French fries in water reduce acrylamide and colour formation in the final product when cooking is stopped at a texture-determined endpoint. (c) 2008 Society of Chemical Industry.
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