Is it normal for black rice to fade?

Black rice is black in color, white in endoplasm, dark brown in porridge, chewy in entrance, crisp and tough, unique flavor, strong flavor and high nutritional value. it has the effects of nourishing yin and tonifying kidney, invigorating spleen and liver, activating blood circulation, and improving human resistance. but many people will find that black rice fades. Let's take a look at whether the fading of black rice is normal.

Is it normal for black rice to fade?

The color of black rice fades normally. The black on the surface of natural black rice is a water-soluble pigment (anthocyanin). The higher the water temperature is, the more unstable it is, which means that black rice will fade in the process of cooking black rice. And after soaking the black rice for a period of time, the water will turn purple-brown, which is also normal. In order to reduce the dissolving of pigment in water when washing black rice, it is recommended to rinse gently with cold water. In addition, it should be noted that although black rice will fade, it is not serious in cold water. If black rice is put into water and changes color immediately, there may be something wrong with it.

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.

Edible effect of black rice

1. Nourishing effect: black rice has a good nourishing effect on chronic patients, convalescent patients and young children, which is beneficial to the development of children's bones and brains, and promote the rehabilitation of parturients and the weak after illness.

2. Anti-cancer and anti-cancer: black rice contains a lot of protein and amino acids, as well as a variety of vitamins, iron, selenium and other trace elements, among which selenium also has anti-cancer and anti-cancer effects.

3. Prolong life: black rice can significantly increase the content of hemoglobin and hemoglobin in human body, which is beneficial to the health care of cardiovascular system.

4. Tonifying kidney and black hair: black rice has the effect of nourishing yin and tonifying kidney blood, which can be used to effectively treat early white hair and other diseases. traditional Chinese medicine believes that black hair should tonify the kidney, and when the kidney is good, the hair is naturally black and shiny.

5. Prevention and treatment of anemia: black rice is rich in iron. Eating black rice has a certain effect on alleviating and improving anemia.