When did frying first appear in human history?
Frying is believed to have first appeared in Ancient Egyptian cuisine during the Old Kingdom, around 2500 BC. Evidence of frying also dates to around 1500 BC in India, where ghee was used to fry appam.
Questions about Frying
Short answers, pulled from the story.
What chemical reactions cause fried food to turn brown and crispy?
The browning of fried food is caused by caramelization and the Maillard reaction, both of which produce compounds called melanoidins that form part of the crisp crust. At the same time, the food's starch gelatinizes and softens, creating the contrast between a crunchy exterior and a tender interior.
How much oil does fried food absorb during cooking?
Oil absorption varies by food type. Battered chicken or fish absorbs oil equal to 15 percent of its final weight, while breaded versions absorb 20 percent. Doughnuts end up between 15 and 20 percent frying oil by weight, and potato chips can absorb up to 35 to 40 percent.
What are the health risks of eating fried food regularly?
A 2021 meta-analysis found that the highest fried food consumers, compared to the lowest, face a 37 percent increased risk of heart failure, a 28 percent increased risk of major cardiovascular events, and a 22 percent increased risk of coronary heart disease. A 2023 meta-analysis also linked fried food consumption to a 52 percent increased risk of stomach cancer.
What temperature does a wok reach during stir frying?
The base of a wok placed directly over an open flame can reach 400 degrees Celsius during stir frying. Because of these extreme temperatures, stir frying is typically finished in two to three minutes.
Which frying oil is most stable at high temperatures?
Olive oil is among the most stable frying oils because of its high monounsaturated fat and antioxidant content. It degrades two times as slowly as sunflower oil and ten times as slowly as linseed oil, and researchers have associated its widespread use with lower cardiovascular risk from frying in Mediterranean countries.