| [Visitor (111.55.*.*)]answers [Chinese ] | Time :2024-04-18 |  Harvesting and processing
Every year, the old trees are cut down from September to December, sawed into pieces, distilled in a still, and after cooling, crude camphor is obtained, and then refined camphor is obtained by sublimation and refining. Because it is volatile, it should be sealed and stored.
Preparation method
Take the raw herbs, spread them on clean paper, remove impurities, and absorb the residue into small granular and crystalline powder. White or yellowish-white, with grease and moisture, ground into fine powder. |
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