Carbohydrate is made up of three elements: carbon, hydrogen and oxygen. It is called carbohydrate because it contains hydrogen and oxygen in a ratio of two to one, the same as water. It is the cheapest of the three main nutrients that provide the body with heat.

Carbohydrates are the main source of blood glucose production, mainly from three meals a day in a variety of foods, the most common are divided into:

1, cereals: mainly from grain, including rice, pasta, as well as coarse grains, such as buckwheat, oats, oat, brown rice, etc., cereals contain polysaccharides in the starch, will not cause a rapid rise in blood glucose;

2, potatoes: mainly Sweet potatoes, sweet potatoes, taro, yams, including potatoes, etc., will not cause a rapid increase in blood glucose;

3, vegetables: such as lilies, lotus root, which contains carbohydrates are mainly polysaccharides;

4, dairy products: dairy products in the lactose is also a type of disaccharide, if too much consumption of dairy products, due to the sugar caused by the blood sugar rise.