Pericarpium Zanthoxyli


The peel of Zanthoxylum bungeanum Maxim. or Z. schinifolium Sieb. et Zucc., family Rutaceae.

Follicle, 2-3 aggregating on the fruit stalk; a single follicle nearly spherical, dehiscing to two valves along the ventral line, 3-5 mm in diameter; pericarp purpl-red or grey-green, with numerous scattered oil spots or reticular marks. Strongly aromatic in odour. Acrid in taste, warm in nature, and attributive to spleen, stomach and kidney channels.

1. Warm the middle jiao to alleviate pain and increase appetite: For deficiency-cold of spleen and stomach with epigastric and abdominal cold pain, vomiting, diarrhea and poor appetite.
2. Kill parasites: For roundworm infection with abdominal pain or deficiency-cold syndrome of spleen and stomach; also for schistosomiasis and oxyuriasis.
3. Lactifuge: For galactostasis.
4. Deprive dampness and alleviate itching: External use for eczema, pruritus vulvae and dermatitis rhus.

Pharmacological Action
1. Anthelmintic, more effective on Ascaris suis.
2. An active component, geraniol, exerts a sedative effect in rats.

Administration Decoction:
2-5g; 6-15g daily for lactifuge.
Retention enema: 4-5% decoction 25-30 ml for 3-4 nights successively for oxyuriasis.


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Mr. Wang Tao

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