The fruit and involucre of Xanthiurn sibiricurn Patr., family Cornpositae.
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.
1. Expel cold and wind and clear the nasal passage: For sinusitis, allergic
rhinitis, headache of wind-cold type.
Expel wind-dampness evil and alleviate pain: For rheumatism, eczema, scabies
1. Lowering blood sugar, with similar mechanism as phenethyl biguanide
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.