Can you use expired cooking oil without opening it?

Unopened cooking oil, if calculated in accordance with the production date indicated on the drum, the expiration date is not long, you can still eat, this is because most of the shelf life of cooking oil for 18 months, this is only the business set the shelf life, its shelf life there is a certain amount of time to spare, if a few months of the expiration of the time, or can be eaten.

Importantly, if you do not open the package, the cooking oil is still in a vacuum state, so the cooking oil will not deteriorate, you can rest assured that you can eat, but if the expiration date is too long, and the oil has become cloudy, and smell a kind of haram flavor, then do not consume it, directly poured on the good.

Cooking oil precautions

High-temperature frying many people like to stir-fry at high temperatures, accustomed to wait until the oil in the pan smoke before frying, this practice is unscientific. High-temperature oil will not only destroy the nutrients of food, but also produce some peroxide and carcinogenic substances. It is recommended to heat the pan first, then pour the oil, then you can fry the food, do not have to wait until the oil smoke.

Long-term only eat a single variety of oil now, the average family is still difficult to do what vegetables fried with what oil, but we recommend that it is best to alternate several kinds of oil with food, or a period of time with a kind of oil, the next period of time to change the other kind of oil, because there is rarely a kind of oil can be solved all the oil needs.