Camphor is a granular substance obtained by distillation and refining of the roots, stems, leaves and branches of the genus Lauraceae. Plant camphor is mainly distributed in Guangdong, Guangxi, southeast and southwest provinces of China.
Camphor is generally cut down on old trees from September to December, and the roots, trunks, and branches are cut into pieces and placed in a container for distillation. Camphor wood contains camphor and volatile oil that slips out with water vapor, and the crude camphor is obtained after cooling. , The crude camphor is refined by sublimation, that is, the refined camphor powder, the camphor powder is pressed in a container, and then it becomes a transparent block of camphor. There are few leaves and brains, and the yield is low.
Camphor is a white crystalline powder or a colorless and transparent hard block. The crude product is slightly yellowish and bright. It is volatile at room temperature. It can burn with a smoky red flame when tested with fire.
Camphor is acrid, hot, non-toxic, mainly can clear joints, relieve stagnation of qi, treat evil qi, cholera confidant pain, wet athlete's foot, scabies, wind pruritus, dental caries, and has the effect of killing parasites and removing squeamishness.
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For bald sores in children, use camphor 1 qian, Chinese prickly ash 2 qian, and sesame 2 liang at the end. After washing with pig-backed water, apply to the affected area.
For tooth worm pain, use camphor and cinnabar in equal parts, apply to the affected area, and it works wonders.