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Does deep fat frying turn a polyunsaturated oil into a saturated fat?

April 26, 2017Deep fat frying Oil polyunsaturated saturated turn

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Does deep fat frying turn a polyunsaturated oil into a saturated fat?

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No. Small changes in oil may occur during frying, possibly reducing the amount of polyunsaturates. However, heating alone cannot saturate polyunsaturated oil. Saturates either occur naturally in a fat or are formed by hydrogenation, the chemical process during which a fat or an oil reacts with hydrogen.