It seems that the cooking method of fresh milk is not simple, so we should treat it correctly. Otherwise, the healthy and nutritious fresh milk will be relieved and destroyed by our cooking. Not only will it not absorb complete nutrition, but it will even cause harm to the body. It is really not worth the loss.
The correct way to cook milk 1
The temperature requirement for milk disinfection is not high. It takes 3 minutes at 70℃ and 6 minutes at 60℃. If it is boiled and the temperature reaches 100℃, lactose in milk will be coked, while caramel will cause cancer. After boiling, the calcium in milk will appear phosphoric acid precipitation phenomenon; Thereby reducing the nutritional value of milk.
Now the milk on the market is sterilized and can be drunk directly. However, sometimes milk needs to be heated to drink: first, when the stomach and teeth can't stand the cold; Second, milk may be contaminated by bacteria after being stored for a period of time after opening; Third, the elderly, children and other people with bad stomachs should drink it after heating.
Nowadays, many people are used to heating milk in a microwave oven, but this has disadvantages. Because microwave heating can't stir, the speed is fast, and it is easy to cause milk fat and protein to stick to the inner wall of the container, resulting in nutrient loss, especially for pregnant women. Microwave radiation is unhealthy. It is suggested that it is best to heat milk in a special milk pot.
When many people heat milk, they always burn the pot carelessly, or paste a layer on the bottom and wall of the pot, resulting in the loss of nutrients such as fat, protein, minerals, vitamin D, vitamin C and pantothenic acid. Here is a way to teach you: "cook". The so-called "boiling" means observing the changes of milk while cooking, and immediately turning off the fire when the milk has the first "bubble". Stir constantly during the cooking process, gently, and don't stir up foam. Don't overheat, just medium heat. The heating mode of "boiling" milk pot can not only kill bacteria, but also retain various nutrients in milk to the greatest extent.
Finally, soft tools should be used to clean the milk pan to avoid wearing the inner wall of the milk pan. Soak in warm water for a while before cleaning, or remove milk stains with proper amount of vinegar.
The correct way to cook milk II
The scientific method of boiling milk is to boil it with strong fire, and keep the milk away from the fire after boiling. Reheat after rolling, and repeat for 3 to 4 times. Boiling milk in this way can keep the nutrients in milk from losing. Boiling milk with small fire will destroy vitamins and other nutrients in milk. In addition, boiling milk for a long time will produce a carcinogen-caramel. So how to heat the bagged milk? Bagged milk is generally sterilized at high temperature, so as long as it can reach a temperature suitable for drinking.
To heat bagged milk, you need to boil a pot of water first.