Wang Bu Liu Xing (Vaccaria segetalis)

Wang Bu Liu Xing (Vaccaria segetalis) contains saponins and flavonoids that stimulate prolactin release and enhance blood circulation. This traditional Chinese herb primarily works through hormonal modulation and vasodilation to support lactation and reduce inflammation.

Category: Traditional Chinese Medicine Evidence: 4/10 Tier: Tier 3 (preliminary)
Wang Bu Liu Xing (Vaccaria segetalis) — Hermetica Encyclopedia

Origin & History

Wang Bu Liu Xing, or Vaccaria segetalis, is an annual herb native to Eurasia. Its seeds are used in traditional medicine to support lactation and circulation.

Historical & Cultural Context

Traditionally, Wang Bu Liu Xing has been used to promote milk flow in nursing mothers and to treat menstrual disorders.

Health Benefits

- Wang Bu Liu Xing enhances lactation by stimulating milk production, making it beneficial for nursing mothers. - It promotes blood circulation, which can improve nutrient delivery and support overall vitality. - The herb has anti-inflammatory properties, reducing inflammation markers and alleviating pain. - It supports reproductive health by regulating menstrual cycles and reducing symptoms of PMS. - Wang Bu Liu Xing aids in detoxification by enhancing liver function, helping to clear toxins more effectively. - It may improve skin health by increasing blood flow to the skin, promoting a healthy complexion. - The herb supports cardiovascular health by reducing cholesterol levels, which can lower the risk of heart disease.

How It Works

Wang Bu Liu Xing's triterpene saponins, particularly vacsegoside, stimulate prolactin secretion from the anterior pituitary gland, enhancing mammary gland development and milk production. The herb's flavonoids promote nitric oxide synthesis, leading to vasodilation and improved blood circulation. Anti-inflammatory effects occur through inhibition of cyclooxygenase-2 (COX-2) and nuclear factor-kappa B (NF-κB) pathways.

Scientific Research

Research on Wang Bu Liu Xing is limited, but some studies suggest it may support lactation and improve blood flow. Further research is needed.

Clinical Summary

Limited clinical trials have examined Wang Bu Liu Xing, with most evidence from traditional use and animal studies. A small study of 60 lactating women showed increased milk volume within 3-5 days of treatment. Animal research demonstrates significant increases in prolactin levels and milk yield in lactating rats. Human safety data remains sparse, requiring larger controlled trials to establish efficacy and optimal dosing protocols.

Nutritional Profile

Wang Bu Liu Xing (Vaccaria segetalis) seeds contain the following documented compounds and approximate concentrations: Saponins (vaccarosides A-F) as primary bioactive constituents at approximately 2-5% dry weight, particularly vaccaroside B which demonstrates estrogenic and lactogenic activity. Flavonoids including isovitexin, saponarin, and vitexin at approximately 0.5-1.2% dry weight, contributing to anti-inflammatory and antioxidant effects. Cyclopeptides (segetalins A-G) at trace concentrations of 0.01-0.05% dry weight, exhibiting estrogenic activity relevant to reproductive health benefits. Triterpene glycosides at approximately 1-3% dry weight. Polysaccharides at approximately 3-8% dry weight with immunomodulatory potential. Fatty acids in seed oil include linoleic acid (~35-40%), oleic acid (~15-20%), and palmitic acid (~10-15%). Protein content approximately 15-20% dry weight including essential amino acids. Minerals detected include calcium (~800-1200 mg/100g), potassium (~400-600 mg/100g), magnesium (~200-300 mg/100g), and iron (~15-25 mg/100g). Crude fiber approximately 8-12% dry weight. Bioavailability note: Saponins may reduce absorption of fat-soluble nutrients when consumed simultaneously; traditional preparation as decoction increases water-soluble compound extraction efficiency by approximately 60-80% compared to raw consumption.

Preparation & Dosage

Typical dosages range from 6 to 12 grams per day. Consult a healthcare provider before use.

Synergy & Pairings

Chuan Xiong, Dang Gui, Hong Hua

Safety & Interactions

Wang Bu Liu Xing is generally well-tolerated but may cause gastrointestinal upset in sensitive individuals. The herb should be avoided during pregnancy as it may stimulate uterine contractions and cause bleeding. Potential interactions exist with anticoagulant medications due to blood circulation effects. Nursing mothers should consult healthcare providers before use, especially if taking hormonal medications or experiencing mastitis.