From: https://www.diseasewiki.com
Can fresh milk be frozen?
The question of whether fresh milk can be frozen needs to be well studied, because fresh milk is almost something we drink in every household. So, the way we preserve fresh milk is of course to use the freezing method. Then, will the nutrition of fresh milk be lost after freezing, or will there be any negative effects after freezing? The taste of fresh milk after freezing is even better, but is fresh milk really suitable for freezing?
Before answering the question of whether fresh milk can be frozen, we must first understand what fresh milk is. Fresh milk is simply fresh milk, and it contains a wealth of protein and various trace elements needed by the human body. Drinking fresh milk regularly can supplement the body’s nutrition.
Milk, one of the oldest natural beverages, is known as the ‘white blood’ and its importance to the human body is self-evident. As the name implies, it is milk squeezed from female cows. In different countries, milk is also divided into different grades, and the most common ones at present are whole milk, low-fat milk, and skim milk. There are also a lot of additives in the milk on the market today, such as high-calcium low-fat milk, which emphasizes the added calcium.
The inorganic salts in milk are also known as minerals. Milk contains cations such as Ca2+, Mg2+, K+, Fe3+, and anions such as PO43-, SO42-, Cl-. In addition, it also contains trace elements such as I, Cu, Zn, Mn, etc. Calcium in nature exists in a combined state, and only after being absorbed by plants and animals can it form calcium with biological activity, which can be better absorbed and utilized by the human body. Milk contains a wealth of active calcium, making it one of the best calcium sources for humans. The active calcium content in 1 liter of fresh milk is about 1250 milligrams, ranking first among many foods, about 101 times that of rice and 75 times that of lean beef, 110 times that of lean pork. It not only has a high content but also [2]
The lactose in milk can promote the absorption of calcium by the human intestinal wall, with an absorption rate of up to 98%, thereby regulating the metabolism of calcium in the body, maintaining the concentration of serum calcium, and enhancing the calcification of bones. Good absorption is particularly crucial for calcium supplementation. Therefore, the saying that ‘milk can supplement calcium’ has scientific evidence.
For the elderly and middle-aged people, milk has another great benefit, that is, compared with many animal proteins with high cholesterol, the cholesterol content in milk is relatively low. (Milk: 13 milligrams per 100 grams; lean meat: 77 milligrams per 100 grams). It is worth mentioning that some components in milk can also inhibit the liver’s production of cholesterol, making milk have a cholesterol-lowering effect.
In the previous text, we introduced what fresh milk is, and we know that fresh milk is simply fresh milk. The method we commonly use to preserve fresh milk is to freeze it, but the way fresh milk is frozen is not scientific, as it is prone to change the properties of the protein inside and cause the fat to separate, making it difficult for the human body to absorb.