Another name: Niupi zaoan (compendium) and Piyan (collection of medicinal materials).
[source] it is a dark brown colloid formed by the oily liquid from the heated cowhide during the process of the old method of fumigating and salting, which is leached on the stove surface and accumulated over time.
[collection] shovel from the stove surface and dry it.
[medicinal material] it is dark brown or yellowish brown irregular block, which is powdery and fragile inside. There are fine hairs and impurities mixed in the section, and there is smoke and fire gas. Generally, it is better to be old, thick and hard, rich in pyrotechnic gas, fine powder and few impurities.
In the past, it was mainly produced in Hunan, Hubei, Sichuan and other places, but now it is rarely produced because most of it has been changed to chemical leather.
[nature and taste] herbal classic: "the taste is hard and the Qi is slightly warm. "
[functions and indications] Compendium: "it is mainly used to treat head sores, white alopecia, scabies, tinea rubra, itching, pain and running water. It is the end of the skin lesions, and it can be smeared with sesame oil or mixed with light powder. "
[prescription] for psoriasis: three coins of tobacco glue, three coins of cold water stone, three coins of alum and one and a half coins of prickly ash. For the end, wax pig fat adjustment liniment. (Jide hall experience prescription)
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