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Camphora

Camphor

樟脑 〔樟腦〕 zhāng nǎo

Kingdom: Plant

Origin in PRC Pharmacopoeia: Cinnamomum camphor (L.) Presl. (PRC Pharmacopoeia)

Origin in unofficial sources: Cinnamomum camphora (L.) Presl

Use: Medicinal

Category: External-use agents / Toxin-drawing, putridity-transforming, and flesh-engendering agents

Properties: Acrid, hot; toxic.

Channel entry: Heart and spleen channels.

Actions and indications:

Dosage and method: Grind to a powder and apply sprinkled on cloth or mixed with fluid (e.g., sesame oil). The oral dose is 0.1–0.2g, taken in powder form or dissolved in liquor.

Warnings: Contraindicated in qì vacuity and yīn depletion, in the presence of heat, and in pregnancy. Do not exceed the stated dose.

Quality: Clean white translucent camphor is the best.

Production area: Mainly produced in Táiwān, Guìzhōu, Guǎngxī, Fújiàn, Jiāngxī, and Sìchuān, but also in Guǎngxī, Zhèjiāng, ānhuī, Yúnnán, and Húnán.

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