A loose bowl in the restaurant: 100g, a normal household bowl: 150g, and a box of lunch boxes: 250g. Because of the size and depth of the bowl, there will be a little difference in the way of serving rice. According to the recommendations in the Dietary Guide for China Residents, the daily grain intake of adults engaged in low-intensity manual labor should be between 250 and 400 grams, which should be 550 to 880 grams when converted into rice.

Nutritional value of rice;

The main components of rice and pasta are carbohydrates, which are relatively economical and can be directly converted into calorie nutrition. According to the material structure of human body, 99% of human body and its organs are composed of water, and carbohydrates are the main "basic raw materials" needed by our body.

From the point of view of gastroenterology, in a reasonable diet, 50% to 60% of the total heat energy needed by people in a day comes from carbohydrates. Compared with the big fish and meat in the dish, rice is much easier to digest, and it has the irreplaceable necessity of other nutrients.