First steaming, sun drying, first steaming until the center of Polygonatum odoratum becomes light (Polygonatum odoratum juice is collected during steaming), taking out and air drying until the skin is slightly dry, then mixing Polygonatum odoratum juice with appropriate amount of yellow wine and moistening until it is completely absorbed.
According to the method of steaming first and then drying, steaming and drying until the skin is slightly dry, then adding Polygonatum juice and appropriate amount of yellow wine, and repeating this for eight times. The second to eighth steaming requires about 70% yellow rice wine.
The ninth steaming and sun drying: finally, the remaining (about 20%) yellow wine and yellow essence juice are mixed together and steamed until the appearance is brown and black, shiny, the center is dark brown, soft and sweet. Drying the steamed qualified Polygonatum sibiricum to 80% dryness.
Brewing method
Wash and remove impurities, put the fish into a steamer or steamer, steam for 6 to 8 hours, pay attention to adding water to the pot, steam until it is yellow and black, knead until soft and rotten, and dry in the sun. Re-steaming in a retort or steamer, taking out and drying to 80% dryness, putting in a cylinder, covering with a wet cloth, fully wetting, taking out, cutting into horizontal pieces with a thickness of 65438 0 minutes, spreading in a dustpan, and exposing in the sun at night, depending on the dryness.
If it is taken for invigorating the spleen, it is baked with honey or black granulated sugar, 3 taels of medicinal honey or black granulated sugar per catty, dissolved in water, sprinkled into the medicine and mixed well, taken out after being exhausted, steamed in a steamer until the raw gas rises to 1 hour, and then taken out and dried.