Divided by the food spoilage.Food is perishable. It is natural that there are factors promoting the growth of microorgan

Divided by the food spoilage. 1. Food is perishable. It is natural that there are factors promoting the growth of microorganisms in both water and nutrients, moisture, pH, and oxygen. These foods include meat, seafood, milk, vegetables and fruits. 2. Perishable foods (semi perishable) food that is naturally stored for a period of time. Because the structure is able to protect themselves. These foods include potatoes, fruit and bark thickness. Or nuts. 3. The food is rotten. Due to the nature and amount of water is less easily maintained such as rice, flour, sugar, etc.