How many times can you use the oil for frying

How often do you change the oil for frying? This is based on your frying temperature, the amount of frying and the frequency of use to determine, not simply based on time, intuitive judgment is the amount of smoke, the color deepens is the change, the scientific point is to test the value of peroxide. General home frying things, a pot of oil is not recommended to use more than three times. Frying more often to do out of the food carcinogenic.

tips: Cooking oil is divided into many kinds of cooking oil, generally used for frying is palm oil, soybean oil used to be more, the characteristics of palm oil is resistant to frying, KFC McDonald's pot of oil can be fried about 4 times, if more, the color will become darker. But if the individual street kind of fried skewers, can be more, the same reason. In short, when the color begins to darken it is best not to use.

Then back to the pot of oil how to secondary use? -- Judging the color of the oil is good or bad

If the leftover oil from frying food is very dark in color, sticky, and has more impurities, it's a good idea to pour it out without hesitation.

If the leftover oil is not dark in color, viscosity is small, and few impurities, you can continue to use. First of all, the leftover oil will be left for a period of time to precipitate and filter, remove the food residue and the cloudy oil at the bottom, which can prevent the leftover oil from having a harry smell. Then keep the filtered oil away from light and sealed. This is because sunlight and oxygen will accelerate the rancidity of the oil and produce odors and harmful substances. Sealed up leftover oil is best eaten within three days, and avoid high temperature heating.

Introduction of leftover oil several healthy eating

1. Cold vegetables, mixed noodles

In the oil add peppercorns, garlic, chili pepper segments, and other seasonings slowly frying, to make pepper oil, garlic oil, onion oil, chili oil and other seasoning oil, storage, in the cold vegetables and noodles when adding, not only to increase taste, but also to Effective use of back to the pot of oil.

2. Mix the filling

When you make dumplings and steam buns, you will use cooking oil, then add the leftover oil from frying food, which can increase the flavor of the filling very well.

3. Blanch vegetables

Blanch vegetables, add a spoonful of oil in boiling water, can make the vegetables bright color, taste tender. Boiling water temperature is only 1000 degrees, and only about a minute of blanching time, add a little leftover oil is perfectly fine.

4. Stir fry

Stir frying vegetables, first put a little new oil to explode the pan, and when the main ingredients are almost cooked to be out of the pan, and then put a little of this leftover oil, not only to avoid high temperatures, but also to improve the utilization of the leftover oil.

5. Vegetable soup

Doing vegetable soup, you can also put a little bit of leftover oil at the end, especially the leftover oil fried meat, can increase the flavor of the soup.