Vegetable types: fresh and canned (excluding additives such as seasoning, fat and sugar) vegetables; Ketchup explanation: vegetables can't be matched with non-core foods (such as fried beans, oil-soaked vegetables, sugar-stained vegetables, etc.). Are not core foods); Vegetable juice is not the core food.

Fruit type: fresh, canned (non-sugar water) fruit Reason: If it is canned, it must be soaked in water or pure fruit juice (non-sugar water), and the soaked fruit juice is inedible; Dried fruits (dried apricots, peaches, bananas, etc. ) are not core foods; Fruit juice is not the core food.

Soups: fresh, frozen and canned (without additives such as seasoning, fat and sugar) Clear soup Reason: Western cream thick soup and concentrated broth are not core foods.

Skim dairy products and other milk substitutes: skim milk, skim cheese, skim sugar-free yogurt; Soymilk, bean curd and bean food without additives: All the related foods made from the above raw materials, including milkshake and hot chocolate, must be sugar-free and low-calorie, and can be eaten once a day or as substitutes.

Type: Whole egg, egg white and its artificial substitutes Reason: All kinds of egg foods provide high-quality protein, but be careful not to fry.

Staple food (grain)

Category: whole wheat, miscellaneous grains, rice, potatoes; Starchy beans: excluding biscuits, instant noodles, cakes and fried staple foods.

Types of bean products: fresh, frozen and any other forms of mung beans, soybeans, tofu and soybean milk. Reason: Soymilk contains no sugar.

Fish and other seafood types: fresh, frozen and any other reasons: if you buy canned food, choose non-oil soaking and non-frying

Poultry: chicken, duck, goose category: fresh, frozen, finished product reason: remove all visible fat before cooking, and do not eat cattle, sheep and pork with skin.

Type: This project only includes fat-free tenderloin and other parts. Reason: Choose lean meat. If possible, try to get rid of visible fat. If you buy meat stuffing, try to buy the one with the least fat content. Sausage, bacon, bacon and all other pickled foods are not core foods.

Types of edible oils and seasonings: vegetable oil without trans fatty acids, defatted salad dressing, any form of spices and seasonings. Reason: Food should contain 2 teaspoons of palm oil, olive oil and sunflower seed oil every day.

Types of drinks: sugar-free coffee, green tea (sugar-free), sugar-free soft drinks, soda water (sugar-free), water Reason: Alcoholic drinks are not the core food.