Last updated: 22 Jul 2022  |  2689 Views  | 


Vaccariae Semen (王不留行) is the dried ripe seed of Vaccaria egetalis (Neck.) Garcke, family Caryophyllaceae.

Other name
Wangbuliuxing (Chinese name), Cowherb Seed

Macroscopic character
Spheroidal. External black, a few in reddish-brown, slightly lustrous, with fine and dense granular protuberances and a concave longitudinal furrow on one side. Texture hard, endosperm white, embryo curved in a ring. Odor, slight; taste, slightly astringent and bitter.

Important cultivation area
Hebei, Jiangsu, Henan and Shanxi provinces.

Processing method
1. Wangbuliuxing : Eliminate foreign matters.
2. Chaowangbuliuxing : Stir-bake Wangbuliuxing on a medium fire until white color burst out, allow to cool.

Traditional Chinese Medicine action
Bitter; neutral. Enter liver and stomach channels.

1. Wangbuliuxing : Activate blood and unblock the meridian, promote lactation and disperse swelling, disinhibit urine and relieve stranguria.

2. Chaowangbuliuxing : Stir-bake can promote the activities.

Usage and dosage
5-10 g, decoction for oral use.

* Contraindication and precaution * 
Precaution in pregnant woman.

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