A variety of canned protein foods such as offal, pasta sauce, etc. are completely sterile and do not spoil if they are kept outside the refrigerator.
If you buy ready and semi-prepared foods and visit grocery stores, you will usually find 3 types of ready or semi-prepared foods in front of you. The first group includes canned foods, the second group includes cold foods such as alwieh or all kinds of nuggets and burgers, and the third group includes rice and ready-made stews.
Is it true that they say that canned foods have the highest amount of preservatives among prepared foods? Even though they contain animal proteins, they are stored outside the refrigerator in stores and can be stored at room temperature for about 2 years.
If these foods are not preserved, then how can they be stored for a long time at room temperature? , gases, oxygen and carbon dioxide. On the other hand, when the food is packed inside the can, they are heated to about 120 degrees Celsius for 15-30 minutes and in addition to being cooked, they are also sterilized. Sterilizing food kills all their microorganisms.
Would you also explain about ready-to-eat cold foods such as Alweh salad? Their consumption is short. It means that they should be consumed within 2-4 days. Alaviyas contain protein ingredients such as chicken or sausage, and they also have mayonnaise. For this reason, they should be kept in the refrigerator until consumption. Otherwise, the conditions for the growth of microorganisms in these foods and their spoiling are easily provided. Microbes are alive in food such as aloe vera, and if the right conditions are provided for them, they grow easily. Canned food should not be exposed to direct sunlight and excessively hot places. Of course, the normal temperature of the house and kitchen is suitable for keeping them
Don't meat products such as sausages, sausages, nuggets and burgers contain preservatives?
Why, all meat products contain preservatives. These foods are heated to the point of pasteurization, and for this reason, there are living microbes in them, and if the right conditions are provided for microbes, they create the possibility of spoiling the food.
What is the difference between pasteurized and sterilized materials?
In the process of pasteurization, only pathogenic microbes are destroyed, but with sterilization, all microorganisms will be destroyed.
Why do they still put preservatives on meat products despite pasteurization?
Because some live microbes in meat products are very dangerous and may become dangerous due to the growth of toxins and To secrete toxins. These microbes exist only in meats, and for this reason, preservatives are added to meat products to prevent the growth and reproduction of living microbes.
