【Naming】
【Source】
Kai Bao Ben Cao (開寶本草)
【Common Usage Level】
E
【Origin】
It is ink made from pine soot mixed with glue juice, fragrances, and other processed materials.
【Characteristics】
It is in the form of square blocks or irregular shapes, with a black surface. It is brittle and easily broken, with an irregular fracture surface. It has no odor and a fragrant taste.
【Identification】
Aged ink is preferred for medicinal use.
【Category】
Other Categories