Preparation method and formula of beeswax plaster

The preparation method and formula of beeswax plaster are as follows:

1. Preparation of dry powder: Dry the prepared Chinese herbal pieces and crush them into dry powder with an ultra-fine pulverizer for later use.

2. Honey refining: put the purchased honey into a container and heat it to the temperature of116 ~118℃ with low fire. During the heating process, keep stirring with a glass rod until the honey turns light red, stop heating, lift the sticky silk with the glass rod, and no white line can be seen and drip water.

3. Purification of beeswax: put the beeswax into a container and heat it until it is completely melted to remove impurities, leaving pure beeswax for later use.

4. Extraction of extract: pretreatment of medicinal materials: pulverizing medicinal materials into coarse particles and then extracting and concentrating, which can not only improve the drug effect, shorten the extraction time, but also save medicinal materials and reduce the burden on patients.

5. Add a proper amount of water into the prepared Chinese herbal pieces, decoct with strong fire, then switch to slow fire 1 hour, filter with No.6 sieve, decoct with water for two or three times, then combine the filtrates and concentrate with slow fire, the concentrated juice is viscous, and the value measured by hydrometer is about 1.2.

Operating process? According to the characteristics of the prescription and the nature of traditional Chinese medicine, the dry powder, refined honey (to be heated), beeswax (to be melted by heating) and extract prepared in the early stage are mixed to the required state in proportion. Cooling to about 40℃, and adding Borneolum Syntheticum dissolved in 95% medical alcohol as transdermal agent. And then processed into the required shape.