The grains "millet, millet, wheat, beetroot, and rice" respectively refer to:

1. Millet: Millet is the yellow rice after the shell is removed. The seeds are sticky after being cooked. You can make wine and make cakes. Because it is not conducive to digestion, millet is basically no longer used as a staple food.

2. Millet: Also known as millet, it grows tolerant to drought and has many varieties. It is commonly known as "Millet has five colors". There are white, red, yellow, black, orange and purple millet in various colors, as well as sticky millet. .

3. Wheat, a type of grass plant and a type of grain, is divided into wheat, barley and other types.

4. Shu: The general name of beans. An ancient saying goes: "Shu is the strongest crop. In ancient times, it was called "嗗", in Chinese it was called beans, and today it is called "shu". "Shu" is the general name of all beans. However, soybeans are called Shu, bean sprouts are called Huo, and adzuki beans are called Pork. "Bean products are also one of the foods that Chinese people like.

5. Rice is a straight cereal crop of the family Gramineae. The main type is "rice" cultivated in soil (always refers to freshwater rice).

Extended information:

1. Grain culture plays an important role and can be said to be the origin of human civilization. According to authoritative information, humans have observed traces of sorghum on stone tools from hundreds of thousands of years ago, indicating that the grain has nurtured humans for more than 100,000 years. Humans have cultivated wild weeds into whole grains, which can not but be said to be a feat in human history. Grains gave birth to human civilization. At the same time, it tells the world about the inextricable relationship between humans and grains. Grain paintings are the highest artistic expression of grain culture and an artistic portrayal of grain culture.

2. Crops such as millet and broomcorn millet occupy a particularly important position in the original cultivation conditions of northern drylands due to their drought and barren tolerance and short growth period. During the Spring and Autumn Period and the Warring States Period, people discovered that Shuan had the characteristic of "maintaining longevity and making life easier", and Shuan, together with millet, became an indispensable food for people at that time.

3. Whole grain paste is a powder made from various health-preserving grain raw materials roasted at low temperature and then ground into powder. It is not puffed and no quick solvent is added during the processing, so it can be the most complete. Preserve the nutritional content of the raw materials.

4. Cereals mainly refer to the seeds of plants. It includes rice, wheat, soybeans, etc. and other miscellaneous grains, such as millet, black rice, buckwheat, oats, barley, sorghum, etc. Grains are processed into staple foods. It mainly provides humans with 50% to 80% of heat energy, 40% to 70% of protein, and more than 60% of vitamin B1.

Reference: Baidu Encyclopedia_Five Grains