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Acrylamide in potato crisps prepared from 20 UK-grown varieties: effects of variety and tuber storage time.


ABSTRACT: Twenty varieties of field-grown potato were stored for 2 months and 6 months at 8 °C. Mean acrylamide contents in crisps prepared from all varieties at both storage times ranged from 131 ?g/kg in Verdi to 5360 ?g/kg in Pentland Dell. In contrast to previous studies, the longer storage period did not affect acrylamide formation significantly for most varieties, the exceptions being Innovator, where acrylamide formation increased, and Saturna, where it decreased. Four of the five varieties designated as suitable for crisping produced crisps with acrylamide levels below the European Commission indicative value of 1000 ?g/kg (Saturna, Lady Rosetta, Lady Claire, and Verdi); the exception was Hermes. Two varieties more often used for French fries, Markies and Fontane, also produced crisps with less than 1000 ?g/kg acrylamide. Correlations between acrylamide, its precursors and crisp colour are described, and the implications of the results for production of potato crisps are discussed.

SUBMITTER: Elmore JS 

PROVIDER: S-EPMC4396699 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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Acrylamide in potato crisps prepared from 20 UK-grown varieties: effects of variety and tuber storage time.

Elmore J Stephen JS   Briddon Adrian A   Dodson Andrew T AT   Muttucumaru Nira N   Halford Nigel G NG   Mottram Donald S DS  

Food chemistry 20150226


Twenty varieties of field-grown potato were stored for 2 months and 6 months at 8 °C. Mean acrylamide contents in crisps prepared from all varieties at both storage times ranged from 131 μg/kg in Verdi to 5360 μg/kg in Pentland Dell. In contrast to previous studies, the longer storage period did not affect acrylamide formation significantly for most varieties, the exceptions being Innovator, where acrylamide formation increased, and Saturna, where it decreased. Four of the five varieties designa  ...[more]

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