Increase appetite, maintain normal nerve activity, lack of it will have beriberi, neurodermatitis and so on. Adults consume 2 mg daily.
It is widely found in rice bran, egg yolks, milk, tomatoes and other foods, and has been synthesized artificially. Because its molecule contains sulfur and amino, it is called thiamine, because it can treat beriberi, it is also known as anti-beriberi vitamin. It is mainly found in seed coats and germs, and is most abundant in rice bran, wheat bran, soybeans, yeast, lean meat and other foods. In addition, Chinese cabbage, celery, and traditional Chinese medicine for wind protection and psyllium are also rich in vitamin B1.