Yes.

Soaking black beans in vinegar can make them black. Soaking black beans in vinegar is mainly for people to better absorb the anthocyanins in black beans. Studies have shown that black beans have the best antioxidant and anti-free radical capabilities in an environment with a pH value of less than 7, and anthocyanins are also easier to be absorbed by the body. . Although black beans soaked in vinegar have so many health benefits, they should not be eaten raw, especially for people with poor gastrointestinal problems. However, some nutrients are lost after heating, so it is recommended to cook it to 70% done.

Extended information

1. Black beans soaked in vinegar is a golden prescription of traditional Chinese medicine for treating kidney deficiency. Black beans soaked in vinegar have the functions of beautifying, losing weight, nourishing the kidneys, improving eyesight, and black hair, and can effectively improve constipation, High blood pressure, hyperlipidemia, backache and leg pain, diabetes, prostate disease, gray hair, coronary heart disease, and vision loss, eye pain, dryness, dizziness, and headache caused by watching computers and TV for long periods of time.

2. Vinegar beans have long been recorded in ancient Chinese literature. In the silk books from Tomb No. 3 of the Mawangdui Han Tomb in Changsha excavated in 1973, in addition to the "Book of Changes" and "Laozi", a large number of medical records were also found. The disease information was later compiled and researched and found to be my country's earliest medical work from ancient times, called "Fifty-two Prescriptions for Diseases", which contains records about vinegar beans.

3. If the black beans are soaked in vinegar for a long time, a film will grow on the vinegar. You can throw away the film. If the vinegar is turbid, replace it with vinegar. Store in a cool place or in the refrigerator for 10 days before eating.

Reference materials

Cure gray hair, suitable for both men and women of all ages - People's Health Network

Soak black beans in vinegar - Baidu Encyclopedia