The ancients noticed the medicinal value of black sesame seeds long ago, and the usage of processing black sesame seeds by nine steaming and nine drying also appeared in ancient books many times. "The Secret of Fixing Truth": Immortals can get rid of all diseases, and they will be hungry for one year, but they will not be hurt for three years. Party member is preferred. Two buckets of hemp, clean steaming, make the air out of the ground, dry it every day, use water to remove foam, that is, steam, so nine degrees. Peel off the skin of the soup, cool it, stir-fry it, pestle it as the end, and the honey pill is as big as a marble. Take one pill with warm wine every time, and avoid poison, lettuce, etc.

Why steam and sun over and over again? This is the common "nine steaming and nine drying" in Chinese medicine processing. Radix Rehmanniae, Radix Angelicae Sinensis, Radix Aconiti Lateralis Preparata and other medicinal materials usually have to be steamed and dried for nine times to give full play to their advantages and disadvantages. There is a lot of knowledge here. For sesame, first of all, this is to make sesame easy to digest. We usually eat sesame seeds. We usually fry sesame seeds once and eat them. In fact, such sesame seeds are still relatively close to raw sesame seeds. It tastes greasy and difficult to digest. If you walk from the stomach, the human body will not be blessed, but will suffer. After nine steaming, the nutrients in sesame seeds are fully decomposed, and the greasy feeling is greatly reduced, which completely becomes something easily absorbed by the human body; After nine days of exposure, sesame gained the energy of the sun, which seems to be the spirit of the sun between heaven and earth for medical staff. Although invisible and intangible, it is of great benefit to the human body.