Temperature limit beyond which an oil or fat degrades and may become potentially toxic.
Temperature at which a fat or oil begins to produce visible smoke and decomposes, marking the maximum recommended heating limit.
Smoke point is a critical physical property of oils and fats determined by their fatty acid composition and refining degree. When an oil reaches its smoke point, it decomposes into volatile compounds (producing smoke) and harmful free fatty acids. Above this temperature, the oil loses its nutritional qualities and may form carcinogenic compounds like acrolein. Various oils have very different smoke points: refined oils usually have a higher smoke point than cold-pressed virgin oils. Knowing an oil's smoke point allows choosing the right fat for each cooking method.
Critical indicator determining the appropriate use of an oil according to cooking type and temperature.
Check the smoke point of the oils you use and adapt your choice according to your cooking method: virgin oils for vinaigrettes and low temperature, refined oils for medium-high temperature, clarified butter or animal fats for high temperature. Avoid reusing an oil that has reached its smoke point.
Smoke point is a vital criterion for choosing the right oil according to cooking temperature.
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