Implementation of Acrylamide Mitigation Strategies on Industrial Production of French Fries: Challenges and Pitfalls
2011
Vinci, Raquel Medeiros | Mestdagh, Frederic | Poucke, Christof Van | Kerkaert, Barbara | Muer, Nathalie de | Denon, Quenten | Peteghem, Carlos Van | Meulenaer, Bruno De
This study evaluated various additives or process aids on the industrial production of French fries, based on their acrylamide mitigation potential and other quality parameters. The application of acetic and citric acid, calcium lactate and asparaginase was investigated on the production of frozen par-fried French fries at the beginning and end of the 2008 and 2009 potato storage season. Despite the fact that some of these treatments significantly reduced acrylamide content of the final product in preliminary laboratory experiments, their application on the industrial production of French fries did not result in additional acrylamide reductions compared to the standard product. Asparaginase was additionally tested in a production line of chilled French fries (not par-fried). Since for this product a longer enzyme−substrate contact time is allowed, a total asparagine depletion was observed for the enzyme treated fries after four days of cold storage. French fries upon final frying presented acrylamide contents below the limit of detection (12.5 μg kg−1) with no effects on the sensorial properties of the final product.
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