CANG ER ZI 苍耳子
Last updated: 2021-10-25 | 1069 Views |
Xanthii Fructus (苍耳子) is the dried ripe fruit completely enveloped with involucre bract of Xanthium sibiricum Patr., family Asteraceae (Compositae).
Other name
Kra-Chap (Thai name), Cangerzi (Chinese name), Siberian Cocklebur Fruit
Macroscopic character
Fusiform or ovoid. External yellowish-brown or yellowish-green, with hooked spines throughout. Summit with 2 relatively thick spines, base with fruit stalk scar. Texture hard and flexible, transverse section, 2 loculi, each an achene containing oil. Odor, slight; taste, slightly bitter.
Important cultivation area
Wide spread cultivated in China.
Processing method
1. Cangerzi: Eliminate fruit stalks, leaves and other foreign matters.
2. Chaocangerzi: Stir-bake Cangerzi on a medium fire until color changed to dark yellow, eliminate and sift out spines.
Traditional Chinese Medicine action
Pungent and bitter; warm; toxic. Enter lung channel.
1. Cangerzi: Disperse wind-cold, relieve the stuffy nose, dispel wind-dampness.
2. Chaocangerzi: Stir-bake will reduce toxicity, more potent in relieve the stuffy nose, dispel wind-dampness, relieve pain.
Thai Traditional Medicine action
Used for smallpox, tonic, joint pain, paresis, urticaria, enlarge abdomen, diaphoresis, internal heat.
Usage and dosage
3-10 g, decoction for oral use. Crush before use.
* Contraindication and precaution *
Caution in patient with blood deficiency headache and pregnant women.
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