Olive Oil More Stable and Healthful Than Seed Oils for Frying Food, Says Study

by Sheela Philomena on  October 22, 2014 at 11:12 PM Diet & Nutrition News
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A new study published in Journal of Agricultural and Food Chemistry finds that olive oil withstands the heat of the fryer or pan better than several seed oils to yield more healthful food.
 Olive Oil More Stable and Healthful Than Seed Oils for Frying Food, Says Study
Olive Oil More Stable and Healthful Than Seed Oils for Frying Food, Says Study

Mohamed Bouaziz and colleagues note that different oils have a range of physical, chemical and nutritional properties that can degrade oil quality when heated. Some of these changes can lead to the formation of new compounds that are potentially toxic. By-products of heating oil can also lower the nutritional value of the food being fried. Bouaziz's team wanted to find out which cooking oil can maintain its quality under high heat and repeated use.

The researchers deep- and pan-fried raw potato pieces in four different refined oils ó olive, corn, soybean and sunflower ó and reused the oil 10 times. They found that olive oil was the most stable oil for deep-frying at 320 and 374 degrees Fahrenheit, while sunflower oil degraded the fastest when pan-fried at 356 degrees. They conclude that for frying foods, olive oil maintains quality and nutrition better than seed oils.



Source: Eurekalert

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