Table 1 Description of the food items included in the food categories

Cereals and cereals products (9)

Rice, Rice porridge, Millet, Black rice, Wheat noodle, Wheat bun / Wheat pancake, Clay over rolls, Wheat dough stick (deep fried), Fermented glutinous rice

Potatoes (3)

Potato, Sweet potato and its products, Potato starch noodle

Coarse cereals (4)

Corn, Corn flour (yellow, dried), Buckwheat, Job’s tears

Vegetables (46)

Radish (white / red / green), Carrot (red / yellow), Cowpea / Snow pea / Kidney bean, Pale green soybean, Soybean sprouts, Sprout (Mung bean), Eggplant, Tomato, Okra, Chinese wax gourd, Calabash, Cucumber, Balsam pear, Pumpkin, Scallion, Chinese chive, Chives flowering stalk, Bok choi, Chinese cabbage, Cabbage, Cauliflower, Spinach, Celery, Endive lettuce, Coriander leaf, Amaranth, Chrysanthemum crown daisy, Shepherd’s purse, Lettuce stem, Water spinach, Seedling, Bamboo shoot, Daylily flower, Asparagus stem, Lotus root, Water bamboo, Yam, Taro, Straw mushroom / Button mushroom, Gold needle mushroom, Oyster mushroom, Wood ear fungus, Shitake mushroom, Silver ear fungus, Kelp, Laver

Fruits (28)

Apple, Pear, Peach, Plum, Apricot, Date / Date (dried), Cherry, Grape / Raisin, Persimmon, Mulberry, Chinese kiwi fruit, Strawberry, Kumquat (oval), Pomelo, Pineapple, Jackfruit flesh, Longan / Longan (dried), Jujube, Mango, Papaya, Banana, Bayberry, Coconut, Loquat, Casaba / Hami cantaloupe, Watermelon, Durian, Dragon fruit

Meat (13)

Pork, Pork (heart / liver / kidney / large intestine), Pork (ear), Pork (hoof), Pork (blood), Luncheon meat / Pork ham sausage / Pork (ham) / Pork floss / Pork (bacon), Beef, Beef (liver/tripe), Beef (tendon), Beef (tongue), Beef (dried), Lamb, Lamb (tripe / liver / large intestine)

Poultry (12)

Chicken, Chicken (wing) / Duck (wing), Chicken (leg), Chicken (feet) / Duck (feet), Chicken (liver / heart / gizzard), Chicken (blood) / duck (blood), Duck, Duck (intestine / liver / gizzard), Duck (tongue), Goose, Goose (liver / gizzard), Pigeon / Quail

Aquatic products (15)

Crucian carp, Grass carp / Black carp, Rice eel, Snakehead, Sliver carp, Goldfish carp / Common carp / Bream, Chinese perch, Yellow croaker (large / small), Abalone, Razor clam, Oyster, Scallop (fresh) / Clam, Sea cucumber (fresh), Squid (fresh), Octopus

Eggs (2)

Hen's egg, Goose's egg / Duck's egg / Quail's egg

Beans and legume

Products (10)

Soybean, Tofu, Soybean milk, Soybean curd sheet (semisoft / thin strip / dried / rolled), Soybean curd slab (semisoft), Soybean milk powder, Mung bean and its product, Rea bean, Adzuki bean porridge, Other beans,

Milk and milk products (5)

Milk, Whole milk powder, Full fat, Cheese, Cream / Butter / Canned

Nuts (7)

Walnut (dried) / Wild walnut (dried), Chestnut (roasted), Pine-nut (roasted) / Almond kernel (roasted) / Cashew (roasted), Peanut, Sunflower seed (roasted) / Pumpkin seed (roasted) / Watermelon seed (roasted), Lotus seed (dried), Sesame (white and black)

Spices (2)

Salt, Cooking oil