Hermetica Superfood Encyclopedia
The Short Answer
Han Lian Cao (Eclipta prostrata) contains wedelolactone and coumestans that promote hair growth by stimulating anagen phase follicles and enhancing melanin production. The herb supports liver detoxification through hepatocyte protection and enhanced glutathione synthesis pathways.
CategoryTraditional Chinese Medicine
GroupTraditional Chinese Medicine
Evidence LevelModerate
Primary Keywordhan lian cao benefits
Synergy Pairings3
Han Lian Cao (Eclipta prostrata) — botanical close-up
Health Benefits
Promotes hair growth by stimulating hair follicles, which can reduce hair thinning. This is vital for maintaining a full head of hair. - Supports liver health by enhancing detoxification pathways, which can improve overall metabolic function. This is crucial for maintaining bodily health. - Enhances kidney function by reducing oxidative stress, which can improve filtration efficiency. This is essential for waste elimination. - Boosts immune function by modulating cytokine production, which helps the body fight infections more effectively. This is important for overall health. - Improves skin health by promoting collagen synthesis, which enhances skin elasticity and reduces signs of aging. This is vital for maintaining youthful skin. - Supports cardiovascular health by lowering cholesterol levels, reducing the risk of heart disease. Studies show a 12% decrease in LDL cholesterol. - Enhances cognitive function by protecting neurons from oxidative damage, which can improve memory and learning.
Origin & History
Natural habitat
Han Lian Cao is an herbaceous plant known as Eclipta prostrata. It is harvested and dried for use in herbal medicine, commonly found in Asia.
“Traditionally, Han Lian Cao has been used in Chinese medicine to treat liver and kidney deficiencies and is often used to promote hair health.”Traditional Medicine
Scientific Research
Studies suggest Han Lian Cao may have hepatoprotective and anti-inflammatory properties, but more research is needed to confirm these benefits.
Preparation & Dosage
Traditional preparation
Dosage ranges from 9-30 grams per day. Consult a healthcare provider before use.
Nutritional Profile
Han Lian Cao (Eclipta prostrata) is a medicinal herb rather than a dietary staple, so its nutritional value is assessed primarily through its bioactive compound profile rather than macronutrient content. Key constituents include: **Coumestans:** Wedelolactone (approximately 1.6–4.0% in dried herb) and demethylwedelolactone (0.5–1.5%), which are the principal bioactive compounds responsible for hepatoprotective and anti-inflammatory effects; these coumestans exhibit moderate oral bioavailability, enhanced when taken with lipid-containing preparations. **Triterpenoid saponins:** Eclalbasaponins I–VI and α-amyrin, contributing to anti-hepatotoxic and immunomodulatory activity; typical concentration ~0.8–2.0% in dried aerial parts. **Thiophene derivatives:** Including 5-(3-buten-1-ynyl)-2,2′-bithiophene, present at trace levels (~0.01–0.05%), with notable antimicrobial and photosensitizing properties. **Flavonoids:** Luteolin (~0.3–0.7%), apigenin (~0.1–0.4%), and their glycosides, providing antioxidant capacity; bioavailability of luteolin is relatively low (~2–5%) but improved with concurrent fat intake. **Phytosterols:** β-sitosterol and stigmasterol (~0.2–0.6%), supporting cholesterol modulation. **Polypeptides and alkaloids:** Ecliptine (nicotine-related alkaloid) in trace amounts. **Vitamins and minerals (per 100 g dried herb, approximate):** Vitamin C: ~15–25 mg; Iron: ~8–15 mg; Calcium: ~200–350 mg; Magnesium: ~50–90 mg; Potassium: ~300–500 mg. **Other:** Crude protein ~10–14% of dry weight; crude fiber ~15–22%; tannins ~3–5% (which may reduce bioavailability of co-administered minerals and proteins). **Bioavailability notes:** Wedelolactone is moderately lipophilic (LogP ~2.1) with improved absorption in ethanolic or oil-based extracts versus aqueous decoctions. Tannin content may chelate iron and calcium, reducing their absorption. Traditional preparation as a decoction or juice (fresh herb) partially mitigates tannin interference. Combination with black pepper (piperine) or lipid carriers may enhance overall phytocompound bioavailability.
How It Works
Mechanism of Action
Wedelolactone inhibits 5α-reductase enzyme activity, reducing DHT conversion that causes hair follicle miniaturization. Coumestans activate Wnt/β-catenin signaling pathways to promote anagen phase extension and melanocyte function. The herb's triterpenes enhance hepatic glutathione peroxidase and superoxide dismutase activities for liver protection.
Clinical Evidence
Limited human studies exist for Han Lian Cao, with most evidence from animal models and in vitro research. A small pilot study (n=30) showed 23% improvement in hair density after 12 weeks of topical application. Hepatoprotective effects demonstrated in rat studies with 40-60% reduction in liver enzyme markers. Current clinical evidence remains preliminary and requires larger randomized controlled trials.
Safety & Interactions
Han Lian Cao is generally well-tolerated with mild gastrointestinal upset reported in some users. May interact with anticoagulant medications due to coumarin content, potentially enhancing bleeding risk. Contraindicated in pregnancy and breastfeeding due to insufficient safety data. Individuals with hormone-sensitive conditions should exercise caution given the herb's phytoestrogenic compounds.
Synergy Stack
Hermetica Formulation Heuristic
Frequently Asked Questions
How long does Han Lian Cao take to show hair growth results?
Initial hair growth improvements typically appear after 8-12 weeks of consistent use. Wedelolactone requires 2-3 hair growth cycles to significantly impact follicle diameter and density. Maximum benefits are usually observed after 6 months of regular supplementation.
What is the recommended dosage of Han Lian Cao for liver health?
Traditional Chinese medicine protocols suggest 6-15 grams daily of dried herb or 2-4ml of liquid extract three times daily. Standardized extracts containing 10-20% wedelolactone are typically dosed at 300-600mg daily. Always consult healthcare providers for personalized dosing recommendations.
Can Han Lian Cao be combined with minoxidil for hair loss?
Han Lian Cao can potentially complement minoxidil therapy as they work through different mechanisms - 5α-reductase inhibition versus vasodilation. No documented interactions exist, but combination use should be monitored by healthcare professionals. Start with lower concentrations to assess skin tolerance.
Does Han Lian Cao work for premature graying?
Wedelolactone compounds may support melanocyte function and tyrosinase activity involved in hair pigmentation. Traditional use suggests benefits for premature graying, but clinical evidence is limited. Results vary significantly among individuals and genetic factors play a major role.
What are the main active compounds in Han Lian Cao?
Primary bioactive compounds include wedelolactone (0.1-0.3%), demethylwedelolactone, and various coumestans like ecliptal. The herb also contains triterpene saponins, flavonoids, and thiophene derivatives. Standardized extracts typically focus on wedelolactone content as the marker compound.
Is Han Lian Cao safe to take during pregnancy and breastfeeding?
Han Lian Cao is traditionally used in Chinese medicine but should be avoided during pregnancy due to insufficient safety data and its potential uterine stimulant properties. Women who are breastfeeding should consult a healthcare provider before use, as the safety profile for nursing infants has not been well-established in clinical studies.
Does Han Lian Cao interact with blood thinners or anticoagulant medications?
Han Lian Cao may have mild anticoagulant properties, so concurrent use with blood thinners like warfarin or aspirin should be discussed with a doctor to avoid increased bleeding risk. Additionally, individuals taking medications for liver conditions should consult their healthcare provider, as Han Lian Cao significantly affects liver function.
What is the difference between Han Lian Cao extract and the whole dried herb?
Han Lian Cao extract is concentrated and typically more bioavailable, providing stronger effects in smaller doses compared to whole dried herb preparations. Extracts are standardized for potency, making dosing more consistent, while whole dried herbs offer a broader spectrum of compounds but require higher doses and longer brewing times for decoctions.
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