Refrigeration
is the process of providing cooling to various items like vegetables,
fruits and many others. It transfers heat away from products and
keeps their temperature lower. It is widely used in different areas
of life such as hospitality industry, dairy, agriculture etc.
Most of
the dairy products need refrigeration to preserve them. At bakery
shops, dairies, general stores etc., we can see different types of
freezers and refrigerators such as open dairy merchandisers, which are used to protect
these products.
Products that need refrigerators are:
Milk –
Milk is one of the most popular dairy products. It is produced by
different mammals such as cow, goat, buffalo etc. It is usually
pasteurized to kill all the bacteria. It needs to be preserved in
refrigerators to prevent spoilage. It must be preserved at a low
temperature. There are different types of milk and they can be
preserved for few weeks in freezers. Their preservation time depends
on their types.
Cream –
Cream is butterfat layer of milk that is skimmed from the top of it.
There are various types of cream depending on the level of fat in
them. It is used to make other products also. It is also preserved in
freezers, so it can be used later.
Yogurt –
It is developed from milk using bacteria. It is used to made
different products such as Tarator, Matsoni and Rahmjoghurt etc. It
also needs refrigeration for protection.
Butter –
Butter is created by churning fresh or fermented cream or milk. It is
used in various cooking procedures like baking and frying. Butter is
preserved in freezers because at the room temperature, it starts
melting. To keep it in its solid form, refrigerators are needed. It
stays soft while in freezer and can be used instantly after taking
out.
Cheese –
Cheese is also made from milk and available in various flavors. It
also stays in its solid and soft form till they are in refrigerators.
At room temperature, it starts melting and turns into its liquid
form. Cheese is very popular among people and they use it in
different dishes. Dairies and other shops need freezers etc. to
preserve cheese, so that it can be sold in good state.
Ice cream
– It is a type of dessert made from cream, milk, fruits, and other
flavors etc. It became more popular after the development of
refrigeration in modern world. Ice cream is preserved in freezers to
prevent it from melting. People who sell ice cream and people who buy
it keep it in refrigerators to enjoy it later.
