What are the common types of irradiated food? What is the main purpose of its irradiation treatment?

Correct answer: Common types of irradiated food include irradiation preservation of fresh fruits and vegetables; irradiation sterilization of dehydrated vegetables and spices; irradiation sterilization and preservation of aquatic products; irradiation sterilization of grains, beans and their products. Radiation sterilization and insecticide; livestock and poultry meat irradiation sterilization and preservation.

The main purposes are: killing insects, sterilizing, improving nutrition and processing quality, extending shelf life, inhibiting the germination of root vegetables, etc.