Black rice is a kind of rice with both medicine and food, and its quality is good. Black rice has a long history of planting and is an ancient and precious rice variety in China. According to legend, it was discovered by Zhang Qian, the prince of Bo, more than 2,000 years ago when Emperor Wu of Han was in power. Traditional Chinese medicine believes that black rice has significant medicinal value, and ancient agricultural medical books record that black rice has the effects of nourishing yin and tonifying kidney, strengthening the body and warming the stomach, improving eyesight and promoting blood circulation, clearing liver and moistening intestines, promoting diuresis and replenishing essence, nourishing lung and relaxing muscles and tendons. Can be used as medicine, and has particularly good curative effect on dizziness, anemia, gray hair, soreness of waist and knees, night blindness and tinnitus. Long-term consumption can prolong life. Therefore, people commonly call it "medicated rice" and "longevity rice". Because it is most suitable for pregnant women and parturients to replenish blood, it is also called "moon rice" and "blood rice". Emperors of past dynasties also regarded it as the treasure of palace health preservation and called it "Gong Mi". It is produced in many places in China, such as Shaanxi black rice, Guizhou black glutinous rice and Hunan black rice. There are two kinds of grain types: indica rice and japonica rice, and the grain quality is divided into waxy and non-waxy. Brown rice is black or dark brown. The main nutrients (brown rice), based on dry matter, contain crude protein 8.5- 12.5%, crude fat 2.7-3.8%, carbohydrate 75-84% and crude ash 1.7-2%. The contents of vitamins, trace elements and amino acids are higher than those of ordinary rice. High edible value. Besides cooking porridge, you can also make various nutritious foods and make wine. Modern medicine has proved that black rice has the effects of nourishing yin and tonifying kidney, strengthening spleen and warming liver, improving eyesight and promoting blood circulation. Most of the nutrients contained are concentrated in the black cortex, which is not suitable for finishing. It is best to eat brown rice or standard third-class rice. When cooking porridge, soak black rice in clear water for one night in summer and two nights in winter, with less elutriation times. Soaked water should be cooked with rice to preserve nutrients.

[Edit this paragraph] Purple rice is rice.

(rice). Only Sichuan, Guizhou and Yunnan have a small amount of cultivation, which is a relatively precious rice variety. It is different from ordinary rice in that its seed coat has a thin layer of purple substance. Purple rice is very fragrant and glutinous when cooking. As a tonic, it is called purple glutinous rice or "medicine valley". Chemical constituents have not been reported. The oil composition of Yunnan Xiangzimi-Dianrui 50 1 was studied. The oil content of purple rice is 2.2%. Oil is green at room temperature. The GC-MS analysis of petroleum ether oil shows that * * has 3 1 component, and 10 is identified as the main component, accounting for 98. 14%. Obtaining sitosterol from unsaponifiable matter. Ethyl acetate was partially separated into three crystals by silica gel column chromatography. By melting point, mixed melting point, thin layer chromatography, infrared spectrum and mass spectrometry, and compared with the standard, two of them were identified as carotene and palmitic acid, and the other was not identified because of too few samples. The content (%) of fatty acids in oil is as follows: octanoic acid 0.03; Azelaic acid 0.05; Lauric acid 0.07; Myristic acid 0.32; Palmitic acid 36.44; Stearic acid 0.71; Peanut acid 0.12; Oleic acid19.08; Linoleic acid 41.24; Linolenic acid 0.08; Trace amounts of other acids.

Compendium of Materia Medica records that purple rice has the functions of nourishing yin and tonifying kidney, strengthening spleen and warming liver, improving eyesight and promoting blood circulation.

Purple rice is rich in protein, fat, lysine, riboflavin, thiamine, folic acid and other vitamins, as well as trace elements such as iron, zinc, calcium and phosphorus. It is a good product for cooking, processing non-staple food and dietotherapy. The fragrant and delicious purple rice Baba, purple rice sweet liquor, red jujube purple rice porridge, purple rice Sanqi stewed chicken, purple rice eight-treasure rice, purple rice steamed chicken and purple rice gourd duck are deeply loved by the masses and have nourishing effects. The "purple rice sealed wine" baked by Mojiang with purple rice won the gold medal at the Paris International Expo, and its reputation is far spread and it is very popular.

China Yunnan Mojiang purple rice grows on Hanitu terraces without any pollution, and has the effects of enriching blood and benefiting qi, nourishing kidney and liver, closing uterus and nourishing yin, especially for pregnant women and rehabilitation patients.

Japonica rice is the kernel of japonica rice, also known as rice. Its taste is sweet and light, its nature is peaceful, it can be eaten every day, and it is the best in the world.

Japonica rice is the staple food of people in southern China, which contains a lot of carbohydrates, accounting for about 79%, and is the main source of heat.

Although protein accounts for only 7% of japonica rice, it is still an important source of protein due to its large consumption. Japonica rice contains essential amino acids, fat, calcium, phosphorus, iron, B vitamins and other nutrients.

Nutritional analysis:

The crude fiber molecules in the rice bran layer of 1. japonica rice contribute to gastrointestinal peristalsis and have a good curative effect on stomach diseases, constipation, hemorrhoids and so on.

2. Japonica rice can improve human immune function and promote blood circulation, thus reducing the chance of hypertension;

3. Japonica rice can prevent diabetes, beriberi, senile plaque, constipation and other diseases;

4. Japonica rice contains a variety of protein, fat and vitamins. Eating more can lower cholesterol and reduce the chances of heart disease and stroke;

5. Japonica rice can prevent allergic diseases, because the red blood cells supported by japonica rice have strong vitality, and no foreign protein enters the blood stream, so it can prevent some allergic skin diseases.