Crotonis Fructus (巴豆) is the dried ripe fruit of Croton tiglium L., family Euphorbiaceae.

Other name    
Salot (Thai name), Badou (Chinese name), Croton Fruit

Macroscopic character
Ovoid, usually 3-ribbed. External greyish-yellow, rough, with 6 longitudinal lines, apex truncate, base with a fruit stalk scar, on opening shell, 3 loculi in the shell each containing 1 seed. Seed slightly flattened-elliptical, external brown or greyish-brown, kernels yellowish-white, oily. Odor, slight; taste, pungent.

Important cultivation area
Sichuan, Yunnan, Guangxi and Guizhou provinces.

Processing method
Remove the coats to take the kernels.

Traditional Chinese Medicine action
Pungent; highly toxic; hot. Enter stomach and large intestine channels. Topical application; to heal wounds.

Usage and dosage 
Appropriate amount for topical application, ground into powder for applying to pars affecta, or mashed and wraped by cloth for rubbing the pars affecta.

* Contraindication and precaution *
Contraindicated for pregnant woman. Incompatible with Qianniuzi.

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