• Sometimes, because these types of foods to eat fresh or for cooking over low temperature. Therefore, pathogens resistant to high temperature afforded to live and grow, which causes food spoilage.
• Because this kind of food occasionally to eat or pass food through a low temperature. Therefore, the disease resistance of high temperature at phu is alive and can grow, which cause food spoilage.
• because sometimes this type of food to eat fresh food, or through the use of low-temperature, so germs resistant to supply high ณหภุ, there will be live, and can grow to cause food perishables.