White peony herb primary processing---White peony is China's traditional Chinese medicine, for the buttercup family peony plants, the root can be used as medicine, the main production in Bozhou, Anhui Province, also known as Bo peony. Medical books say that white peony has the effect of nourishing blood and regulating menstruation, astringing yin and stopping sweating, softening the liver and relieving pain, and suppressing liver yang. White peony processing technology is divided into boiling, peeling, drying three steps, the traditional drying method is mainly drying. Now more use of electric drying room, easy to operate, good quality of finished products.

White peony drying process

Boiled: the white peony root size is separated, in boiling water scalding bubble, scalding diligently turn so that the root of peony evenly heated. Small peony root boil 5-10 minutes, medium thick peony root boil 8-15 minutes, large peony root boil 10-18 minutes. The pot of water should be enough to submerge the peony root until it is cooked through.

Peeling: when the white peony root skin white, no raw heart, aroma, quickly pick up and put in cold water to soak, then take out and scrape off the skin, according to the thickness of the separation of the sun-drying. You can also scrape off the skin first and then boil it, and then dry it in the sun. There are two ways to peel, including manual peeling and mechanical peeling.

(1) manual peeling: use bamboo knife, glass carefully scraped peony root outer corky skin, and the wormhole dig clean. Do not use an iron knife to scrape the skin, otherwise it will make it discolored.

(2) mechanical peeling: the peony and coarse river sand into the drum machine, power on peony and coarse sand with the gear rotation up and down, in the coarse sand friction will be peony peony cork skin removed.

Drying: white peony drying in general the first few hours of rapid heating, the temperature in the drying room to 70 ℃, heating at the same time need to have been dehumidified. Pay attention to master the drying temperature, the temperature is too high, the drainage of moisture is not good, the surface is easy to glue, sticky. After a few hours, the temperature will be adjusted to 50-60 ℃, drying to the surface dry, and then gradually increase the temperature to 65 ℃, until the drying of the required moisture. The whole drying time is 15-20 hours. The sliced white peony slices were dried. Because the white peony slices have less moisture, this stage can be directly used 50-65 ℃ temperature for drying, drying time 10-12 hours.

Warm tips: the actual drying process due to different varieties, different ways of placement, different regions, different customers' quality requirements, so each drying time and drying temperature need to be adjusted. The above process is for reference only.

Picture from Baidu Pictures