Where is the origin of black rice?

Black rice is an ancient and valuable rice variety in China, belonging to non-waxy rice of japonica rice. It is formed by long-term cultivation of gramineous rice. It is said that when Emperor Wu of the Han Dynasty was more than 2,000 years ago, Zhang Qian was first discovered by Bowang Hou in Yang County, Shaanxi Province. It is known as the black pearl and the king of rice in the world. Let's take a look at where black rice is produced.

Where is the origin of black rice?

Black rice is produced in many places in China, such as Shaanxi black rice, Guizhou black glutinous rice, Hunan black rice and so on. It is said that the black rice found by Zhang Qian is the black rice in Yangxian County, Shaanxi Province, which has been handed down to this day. because the black rice is delicious, it is tribute rice offered to emperors from the time of Emperor Wu of the Western Han Dynasty until the end of the Qing Dynasty. With the change of Gengzi, although the Empress Dowager Cixi was like a lost dog, she was still obsessed with the fragrance of black rice in Yangxian County, and ordered to worship.

Nutritional value of black rice

1. Most of the inorganic salts such as manganese, zinc and copper in black rice are 1-3 times higher than those in rice, and they also contain special ingredients such as vitamin C, chlorophyll, anthocyanin, carotene and cardiotonic glycosides that rice lacks, so black rice is more nutritious than ordinary rice. Eating more black rice has the advantages of appetizing, invigorating the spleen and warming the liver, activating blood circulation, slippery and astringent tonifying essence, and has a good nourishing effect on juvenile white hair, postpartum weakness, postpartum weakness, anemia and kidney deficiency.

2. Black rice contains 8.5-12.5% of crude protein, 2.7-3.8% of crude fat, 75-84% of carbohydrates, 1.7-2% of crude ash, and most of the inorganic salts such as manganese, zinc and copper are 1-3 times higher than that of rice. Rice porridge boiled with black rice has a good nourishing effect, so it is called blood-tonifying rice, longevity rice and so on.

Identification of true and false black rice

1. Identification of white vinegar: take some black rice, drop white vinegar on it, wait a few minutes, there is red, which proves to be real black rice, because the anthocyanin and acid on the surface of black rice will react with acid, showing a color similar to red wine.

2, odor identification: take a small amount of black rice in the hand, take a breath of hot air to the black rice, and then smell it immediately. High-quality black rice has a normal fragrance, while those with other peculiar smells or sour smells, mildew and spoilage are generally inferior and inferior black rice.

3. Scraping the surface layer of rice: if you don't know whether the black rice is true or false, and it is suspected to be dyed, the identification method can hang up all the surface layer of black rice and observe the color of the rice grains. If it is white, it is real black rice, otherwise it may be dyed black rice.