Curdled Milk

Curdled milk is actually spoiled milk. But it can be useful too. Read on to get detailed information about curdling of milk and ways to prevent it from getting spoiled.
Milk has many nutritional values and hence, it is an essential part of our daily diet. There are many milk products which are very widely used by the people. Fresh milk usually contains numerous microorganisms and it is necessary to boil or pasteurize milk before consuming it or for better storage. Curdling of milk is a sign of spoiled milk. This can either happen naturally or it can be done purposely to get different products. Natural curdling can take place due to various microorganism which can be harmful but the artificial way of curdling milk can give us useful products like cheese, yogurt, whey protein, etc. So, let's find out what is curdling of milk and how it takes place.

What is Curdled Milk
Milk can get spoiled due to various reasons. In such conditions the protein present in the milk gets tangled to each other, forming a solid mass and leaves the liquid part which is known as whey. Apart from the curdling of milk there are many other signs which indicate whether the milk is spoiled or not. You can test it by its sour smell and bitter taste. If the milk is spoiled naturally then it may be caused due to the attack of microorganism, like bacteria or fungus and hence is not good for health. But there are many products which are made from the curdled milk. For such products the milk is treated with rennet, acid or with the help of useful microorganism which then results in the coagulation of milk protein. The products made from these processes are not only used for delicious recipes but are also known for their health benefits.

Uses of Curdled Milk
Though curdled milk is considered as spoiled milk, it can be used for various purposes. If the milk gets spoiled naturally then it should be used as soon as possible so as to avoid the taste change. Following are some of the uses of this milk.
  • If the milk is spoiled or curdled then it is boiled to get paneer or cottage cheese. The coagulated part is poured inside a cloth and the liquid is squeezed out. This cottage cheese can be used in various recipes and in various forms. Apart from this, cottage cheese can also be prepared by using acids. Just drop few drops of lemon juice in normal milk and stir. The milk will get curdled in a few minutes.
  • The curdled milk is used to make yogurt. The milk is curdled with the help of bacteria under anaerobic conditions which results in the fermentation. Yogurt is a staple food in many parts of the world and is very good for health.
  • Milk is curdled with the help of rennet which is a natural complex enzyme. This milk is used to prepare hard cheese like Cheddar or Swiss.
  • The left out product after the coagulation of the milk is known as whey. This is used as nutritional supplement by the body builders. In the countries like Switzerland it is used as the basis of soft drinks. It is also used for the production of ricotta, brown cheeses, etc.
How to Prevent Milk from Curdling
If the milk is curdled by using various process to get different products then it is safe for consumption. But if the milk is naturally curdled, gives a sour or foul smell and tastes bitter then the milk is not good for health hence the consumption should be avoided. For this you need to known how to prevent milk form curdling. Curdling takes place when there is a sudden change in temperature. The foremost thing to remember when you get milk is to bring it to a boil. When you boil the milk all the microorganisms like bacteria, mold and yeast are killed and the milk remains unaffected for a long time. Pasteurization method is also very helpful in improving milk shelf life. Nowadays, we get pasteurized milk in all the stores. Try to store milk at a low temperature or in fridge which will restrict the growth of micro organisms. In summers, try to boil the milk two times in a day. Well, these all tips will be enough to prevent the milk from curdling.

Naturally spoiled milk may consists of micro organisms which are harmful for health. It can lead you to many health complications which may be life-threatening. Hence, try to prevent milk form curdling and if you find it spoiled then it's better to discard it. Products which are formed by the artificial curdling are safe for use. So, with this we come to an end to this Buzzle article. I hope the information was helpful.
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Published: 3/17/2011
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