1. Rice has a tough seed coat, which is not easy to boil, so black rice should be soaked overnight before cooking. If black rice porridge is not cooked, not only most of the signature nutrients can not be dissolved, but also it is easy to cause acute gastroenteritis if eaten too much, especially for children with weak digestive function, the elderly and patients. So people with indigestion should not eat uncooked black rice.

2, people with weak digestive ability after illness, don't rush to eat black rice, but eat some purple rice to regulate.

3. Chinese medicine believes that black rice is flat and sweet; Not suitable for people with excessive heat.

4. Because the nutrients contained in black rice are mostly concentrated in the black cortex, it is not suitable for finishing. It is best to eat brown rice or standard third-class rice.

5. The copper content of black rice is 1 ~ 3 times higher than that of rice; Not suitable for patients with hepatolenticular degeneration and patients with high copper content.

Extended data

1, black rice: it has the effects of nourishing yin and tonifying kidney, strengthening spleen and warming liver, improving eyesight and promoting blood circulation. Long-term consumption of black rice can treat dizziness, anemia, gray hair, eye diseases, waist and leg pain.

2, brown rice: can prevent arteriosclerosis, diabetes, prevent constipation, and have the effect of detoxification. It can strengthen the liver, eliminate fatigue and anxiety, improve memory and reproductive ability, prevent infertility, premature delivery and miscarriage, and also prevent osteomalacia and waist and knee pain in the elderly.

Baidu encyclopedia-black rice

People's Daily Online-Dietotherapy: Health-preserving efficacy of millet and black rice 17 kinds of miscellaneous grains