Coarse grains include: corn, millet, red rice, black rice, purple rice, sorghum, barley, oats, wheat, sweet potatoes, yams, potatoes, soybeans, mung beans, red beans, black beans, broad beans, peas, etc. .

1. Corn

Corn is an annual herbaceous plant of the genus Zeaaceae in the family Gramineae. Alias: corn, stick, corn, rice, millet, wild rice, corn, pearl rice, bract, big millet. It is called pearl grain in Liaoning dialect in Northeast China, barley kernel in Chaozhou dialect, millet in Cantonese, and fan in Hokkien dialect. wheat.

Corn has tall plants and strong stems. It is an important food crop and feed crop. It is also the crop with the highest total output in the world. Its planting area and total output are second only to rice and wheat. Corn has always been hailed as a longevity food. It is rich in protein, fat, vitamins, trace elements, cellulose, etc., and has great potential to develop highly nutritious and biologically functional foods.

2. Sorghum

Sorghum is an annual herbaceous plant of the family Gramineae. The stalk is relatively strong and upright, with supporting roots on the base node. The leaf sheath is hairless or slightly white; the ligule is dural, with a rounded apex and ciliated edges.

Sorghum likes warmth and light, and has certain high-temperature resistance. Distributed in tropical, subtropical and temperate regions around the world. It is cultivated in all provinces and regions in northern and southern China. Sorghum is used as food in China, North Korea, the former Soviet Union, India and Africa.

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3. Barley

Barley, alias Mou wheat, rice wheat, naked wheat, and the nutritional content of wheat Similar, but with slightly higher cellulose content. Barley is an annual grass with a thick stalk, smooth and hairless, upright, and the leaf sheaths are loose and clinging to the stem, mostly hairless or pubescent at the base; there are two lanceolate auricles on both sides; the ligule is membranous, with a nutty aroma, and contains carbohydrates. The content is high, with medium protein, calcium and phosphorus content, and a small amount of B vitamins.

4. Soybeans

Soybeans are commonly known as soybeans. It is an annual herb of the Dicotyledonidae, Fabaceae, and Soybean genus, with a height of 30-90 cm. The stem is stout, upright, densely covered with long brown bristles. Originating in China, it is cultivated throughout China and is also widely cultivated around the world.

Soybean is one of China's important food crops. It has a cultivation history of 5,000 years. It was called Shu in ancient times and is mainly produced in Northeast China. It is a crop whose seeds are rich in plant protein. Soybeans are most commonly used to make various soy products, extract soy oil, brew soy sauce and extract protein.

5. Sweet potato

Sweet potato is also known as sweet potato, sweet potato, red potato, golden potato, sweet potato, red yam, jade pillow potato, potato, sweet potato, yam, sweet potato, and sweet potato. , red potato, white potato, goose, cute sweet potato.

It is an annual herbaceous plant. The underground part has round, oval or spindle-shaped roots. The stem is lying or rising, occasionally twined, and multi-branched. The shape and color of the leaves often vary depending on the variety. , usually broadly ovate, petioles of varying lengths, cymes axillary, capsule ovate or oblate, with 1-4 seeds, usually 2, hairless.

Sweet potato is a high-yielding and adaptable food crop that is closely related to industrial and agricultural production and people's lives. In addition to being used as a staple food, the roots are also an important raw material for food processing, starch and alcohol manufacturing industries. The roots, stems and leaves are also excellent feed.

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