Fructus Xanthii

 

Source
The fruit and involucre of Xanthiurn sibiricurn Patr., family Cornpositae.

Characteristics
Involucre converging into an elliptical sac, yellow-green, hard, marked with hooked spines. Fruit divided into 2-celled inside, each cell containing a cambiform achene. Acrid and bitter in taste, warm in nature, mildly toxic, and attributive to lung channel.

Indication
1. Expel cold and wind and clear the nasal passage: For sinusitis, allergic rhinitis, headache of wind-cold type.
2. Expel wind-dampness evil and alleviate pain: For rheumatism, eczema, scabies and leprosy.

Pharmacological Action
1. Lowering blood sugar, with similar mechanism as phenethyl biguanide (DBI).
2. Its chief poisonous component is rhamnose. The toxic effects in rats, guinea-pigs and rabbits by different routes of administration are similar. LD50 is 0.93g/kg in mice.

Administration Decoction: 3-10g.


   

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