not keeping it refrigerated
they canned vegetables and some meats
you shouldnt want to prevent food storage because food storage is a good thing
Milk from spoiling
Many liquids are heated to a particular temperature and held there for a prescribed time to kill bacteria and prevent spoiling. Milk and milk products are usually treated this way which is called pasteurization. Many other liquids that are subsequently bottled are treated in the same way.
It is a matter of food safety. Food should be kept hot enough (or cold enough) to prevent the food from spoiling. That would make the food unsafe to eat.
It is a matter of food safety. Food should be kept hot enough (or cold enough) to prevent the food from spoiling. That would make the food unsafe to eat.
When food is packaged in cans, air is sucked out of the can to help prevent the food inside from spoiling. Some manufacturers add preservatives to food to help keep it fresh longer.
Store flour in a food grade plastic container with tight fitting lid. Keep in cool, dark place to prevent insects from getting at the flour and to prevent sunlight from spoiling the flour
In the start, it was difficult because of spoiling. But now the food is frozen to keep it from spoiling.
An enzyme
Yes.