Technology of large-scale production of prepared slices of Rhizoma Polygonatum

Technology of large-scale production of prepared slices of Rhizoma Polygonatum

The function and indications of Rhizoma Polygonatum: tonifying blood and nourishing yin, tonifying essence and filling pulp. For blood deficiency and yellowing, palpitation, irregular menstruation, bleeding, yin deficiency of liver and kidney, soft waist and knees, bone steaming hot flashes, night sweats and spermatorrhea, internal heat to eliminate thirst, dizziness, tinnitus, early whitening.

There are two traditional processing methods contained in the 2015 edition of Chinese Pharmacopoeia, which are "(1) take Rhizoma Polygonatum, stew according to the wine, stew until the wine is exhausted, take out, air until the outer skin mucus is slightly dry, cut into thick slices or pieces, dry, and get." (2) take Rhizoma Polygonatum, steam to black according to the method of steaming, remove, dry until about 80% dry, cut into thick slices or pieces, dry, and get. " The traditional process is not suitable for large-scale industrial production because of its low production efficiency, low yield and high energy consumption.

(1) selection: select high-quality Rhizoma Polygonatum herbs and remove impurities.

(2) cleaning: use a drum washing machine to wash the selected Rhizoma Polygonatum herbs. After washing, rest and drain.

(3) Wine steaming: the cleaned Rhizoma Polygonatum was mixed with yellow rice wine, placed for 8 hours, then placed in a steamer, steamed for 7 hours, and the medicine juice was collected.

(4) pre-drying: step (3) the steamed Rhizoma Polygonatum was pre-dried in a 60 ℃ oven and baked until the water content was 15%.

(5) slicing: using a turntable slicer to cut the pre-dried Polygonatum into slices with the thickness of 4mm.

(6) moisturizing medicine: the Huangjing tablets prepared in step (5) were placed in the juice collected in step (3) and soaked for 12 hours.

(7) drying: put the Polygonatum tablets treated in step (6) in the oven and bake until the water content is 12%.

(6) Packaging: the dried Rhizoma Polygonatum tablets are vacuum packed and stored in a ventilated and dry place to prepare the prepared slices of Rhizoma Polygonatum.

The extract content of prepared slices of Polygonatum polygonatum can be as high as 45.8-47.5%, and the content of polysaccharides of Polygonatum polygonatum is 7.2-7.9%, which is of high quality and meets the quality standard.