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Vaccaria [seed]
王不留行 〔王不留行〕wáng bù liú xíng
Latin pharmacognostic name: Vaccariae Semen
Alternate Chinese names: 不留行 bù liú xíng; 王不流行 wáng bù liú xíng; 禁宫花 jìn gōng huā; 剪金花 jiǎn jīn huā; 金剪刀草 jīn jiǎn dāo cǎo; 金盏银台 jīn zhǎn yín tái; 麦蓝子 mài lán zǐ
Kingdom: Plant
Origin in PRC Pharmacopoeia: Vaccaria segetalis (Neck.) Garcke. (PRC Pharmacopoeia)
Origin (other sources): Vaccaria segetalis (Neck.) Garcke*; Vicia angustifolia L.
Use: Medicinal
Category: Blood-quickening stasis-transforming agents / Blood-quickening menses-regulating agents
Properties: Acrid, bitter; balanced.
Channel entry: Liver, stomach, and bladder channels.
Indications:
- Quickens the blood and frees menstruation: Painful menstruation or amenorrhea due to blood stagnation Promotes lactation: Breast milk stoppage; mammary welling-abscesses (equivalent to acute mastitis).
- Disinhibits urine and frees strangury: Heat strangury, blood strangury, stone strangury. Two products are commonly sold as wáng bù liú xíng. Of these, the true medicinal is composed of small black seeds on their own, while the substitute consists of a large fibrous husk with very small black seeds within it.
Dosage & Method: Oral: Decoct (4.5–9g) or make into pills or powders. Topical: Apply ground and blended with liquid.
Warnings: Use with care in pregnancy.
Quality: Best are dry evenly sized plump black seeds free of extraneous matter.
Product Area: northern regions from Xīnjiāng in the West to Manchuria in the East.
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