This reduction could be attributed principally to a reduction of asparagine in the more external layers of the potato chips that could be reached by the enzyme. These results indicated that blanching treatment and the asparaginase immersion (without previous blanching) are equivalent in diminishing acrylamide formation in potato slices during frying. On the other hand, it is worth to note that when blanched potatoes are immersed in asparaginase solution, the acrylamide content diminished dramatically from 2047 μg/kg to 158 μg/kg