1. Polysaccharide food has a high carbohydrate content. Sugar is an important organic compound, widely distributed in nature. For example, sugar and sucrose that you usually eat belong to sugar.
2. Cereals are also an important food source for carbohydrate intake. There are many kinds of cereals, such as rice, millet and wheat, all of which are cereals. Cereal is also the traditional staple food of China people. The carbohydrate content per100g of rice can be as high as 75g.
3. Sorghum and corn also contain carbohydrates; Sorghum can contain about 70 grams of carbohydrates per 100 gram after hulling.
4. Watermelon and grape are also varieties with low carbohydrate content in daily fruits. Watermelon is a kind of fruit with low calorie, and its carbohydrate content is about 5g per kloc-0/00g. Nearly one-tenth of grapes are carbohydrates, and glucose can be quickly absorbed by the human body. The carbohydrate content of grapes is about 10g.
Extended data:
Carbohydrate consists of three elements: carbon, hydrogen and oxygen. Because the ratio of hydrogen to oxygen is two to one, which is the same as water, it is called carbohydrate. It is the cheapest of the three main nutrients that provide heat energy for human body.
Carbohydrates in food can be divided into two categories: effective carbohydrates that people can absorb and utilize, such as monosaccharides, disaccharides, polysaccharides and ineffective carbohydrates that people can't digest, such as cellulose, which are essential substances for human body.
References:
Baidu encyclopedia-carbohydrates