What are the staple foods? food

Meet the following characteristics are staple food:

1. The daily intake of staple food is 250-400g * (dry weight before cooking).

2. Mix coarse grains with coarse grains, 50 ~ 100g * (dry weight) per day. Eat coarse grains at least once a day, or 1/3 of the staple food for the whole day is coarse grains. Coarse grains in a broad sense include whole wheat flour, brown rice, miscellaneous grains and miscellaneous beans other than rice and flour.

Don't forget to eat staple food at any time.

4. Eat less staple foods containing more oil, such as bread, biscuits, instant noodles, fried dough sticks and oil cakes.

"staple food" generally refers to cereals, also known as cereals, and the most common ones are rice, flour and their products. The main nutritional characteristics of staple food are: mainly starch (belonging to carbohydrates); It contains a certain amount of protein, but the content is not high enough, which is not a high-quality protein; The fat content is generally low unless extra fat is added during cooking; Coarse grains are an important source of dietary fiber; It is an important source of B vitamins.

Besides rice and flour, coarse grains such as brown rice, whole wheat, corn, millet, rhubarb rice, oats (including naked oats), barley, sorghum and buckwheat are also common cereals. Mung beans, red beans, lentils, kidney beans, broad beans and other miscellaneous beans (beans other than soybeans) also meet the above nutritional characteristics of staple foods, so they can also be classified as staple foods, but their protein content is 2-3 times that of cereals.

In addition, potatoes (such as potato, sweet potato, cassava, taro, yam, etc. ) has similar nutritional characteristics to cereal, so it can also be eaten as a staple food. Some starchy nuts and seeds, such as lotus seeds, coix seed, chestnuts, gordon euryales and so on. , should also be included in the total starch staple food.