# Ligustrum lucidum **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/ligustrum-lucidum **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-19 **Evidence Score:** 6 / 10 **Category:** Traditional Chinese Medicine **Also Known As:** Ligustrum lucidum, Glossy Privet, Chinese Privet, Nü-zhen-zi, Nu Zhen Zi, Privet Fruit, Wax-leaf Privet, Fructus Ligustri Lucidi ## Overview Ligustrum lucidum (Glossy Privet) is a Traditional Chinese Medicine herb containing oleanolic acid and ligustroside as primary bioactive compounds. These compounds work through anti-[inflammatory pathway](/ingredients/condition/inflammation)s and may support joint health while showing preliminary anti-cancer activity in laboratory studies. ## Health Benefits • May support joint health and reduce pain in osteoarthritis (preliminary evidence from animal studies showing reduced pain hypersensitivity and improved cartilage markers) • Potential anti-cancer properties against glioma and hepatocellular carcinoma (preliminary evidence from cell and animal studies showing tumor growth inhibition) • May help restore kidney-yin balance and metabolic function (preliminary evidence from rat studies showing normalized cAMP/cGMP ratios) • Possible [immune system](/ingredients/condition/immune-support) support through enhanced lymphocyte proliferation (preliminary evidence from in vitro studies) • May reduce neuro[inflammation](/ingredients/condition/inflammation) through TLR4 pathway modulation (preliminary evidence from preclinical depression models) ## Mechanism of Action Ligustrum lucidum's oleanolic acid and ligustroside compounds inhibit [inflammatory](/ingredients/condition/inflammation) mediators including NF-κB and cyclooxygenase pathways. The herb's triterpene saponins modulate immune responses and may suppress tumor cell proliferation through apoptosis induction and cell cycle arrest mechanisms. ## Clinical Summary Current evidence for Ligustrum lucidum comes primarily from animal and cell culture studies rather than human clinical trials. Animal studies suggest potential benefits for osteoarthritis pain reduction and cartilage protection, while laboratory studies show anti-cancer activity against glioma and liver cancer cell lines. The preliminary nature of this research means human efficacy and optimal dosing remain unestablished. More robust clinical trials are needed to validate therapeutic applications. ## Nutritional Profile Ligustrum lucidum (Chinese Privet/Glossy Privet berry) is not a significant source of macronutrients but is rich in bioactive compounds. Primary actives include oleanolic acid (~0.5–2% dry weight) and ursolic acid (~0.3–1.5% dry weight), both pentacyclic triterpenoids with well-documented biological activity. The fruit contains the iridoid glycoside oleuropein and notably specnuezhenide and nuezhenoside (phenylethanoid glycosides, collectively ~2–5% dry weight), which are considered primary markers of quality. Salidroside (also found in Rhodiola) is present at lower concentrations (~0.1–0.5%). Flavonoids including luteolin, quercetin, and apigenin are present collectively at ~0.5–1.5%. The polysaccharide fraction (Ligustrum lucidum polysaccharides, LLP) comprises approximately 3–8% of dry weight and contributes [immunomodulatory](/ingredients/condition/immune-support) effects. Beta-sitosterol and mannitol are also present. Bioavailability of oleanolic acid is notably low orally (~2–3%) due to poor solubility, but is enhanced by lipid co-administration. Phenylethanoid glycosides show moderate gut absorption with partial conversion by intestinal microbiota. ## Dosage & Preparation No clinically studied human dosages exist. Preclinical studies used: methanol extract 50-100 mg/kg (animal studies) or 1-30 mg/mL (in vitro); aqueous extract 100 μg/mL intra-articular or 50-800 μg/mL (in vitro); supercritical CO₂ extract 5-100 mg/L (in vitro). Consult a healthcare provider before starting any new supplement. ## Safety & Drug Interactions Ligustrum lucidum is generally considered safe when used appropriately in traditional preparations, but comprehensive safety data is limited. Potential side effects may include gastrointestinal upset and allergic reactions in sensitive individuals. The herb may interact with immunosuppressive medications due to its immune-modulating properties. Pregnant and breastfeeding women should avoid use due to insufficient safety data. ## Scientific Research No human clinical trials, RCTs, or meta-analyses have been conducted on Ligustrum lucidum. Current evidence is limited to preclinical animal and in vitro studies, including research on osteoarthritis in rats, glioma xenograft mice models, and hepatocellular carcinoma cell lines (PMID: 25017491). ## Historical & Cultural Context In Traditional Chinese Medicine, Ligustrum lucidum fruit has been used for over 1,000 years to tonify liver and kidney yin, addressing conditions like premature aging, dizziness, tinnitus, and blurred vision. It is recognized as both a medicinal herb and a medicinal food homology (MFH) material in modern TCM practice. ## Synergistic Combinations Ligustrum lucidum pairs strongly with Ligustrum japonicum and Eclimax prostrata (Han Lian Cao) in the classical formula Er Zhi Wan, where salidroside and wedelolactone from Eclipta work complementarily on estrogen receptor pathways and [hepatoprotective](/ingredients/condition/detox) mechanisms, amplifying kidney-yin tonification effects. Pairing with Astragalus membranaceus (Huang Qi) creates additive [immunomodulatory](/ingredients/condition/immune-support) effects, as Astragalus polysaccharides (APS) and LLP both upregulate macrophage activation and NK cell activity via TLR-4 and complement pathways, producing stronger combined immunostimulation than either alone. For anti-tumor applications, combining with Curcumin (from Turmeric) enhances efficacy because oleanolic acid and curcumin both suppress [NF-κB](/ingredients/condition/inflammation) signaling but through distinct upstream mechanisms (IKK inhibition vs. direct p65 binding), creating additive pathway blockade; additionally, curcumin's mild P-glycoprotein inhibition may improve oleanolic acid cellular uptake. ## Frequently Asked Questions ### What are the active compounds in Ligustrum lucidum? The primary bioactive compounds include oleanolic acid, ligustroside, and various triterpene saponins. These compounds are responsible for the herb's anti-inflammatory and potential therapeutic effects. ### How much Ligustrum lucidum should I take daily? No standardized human dosage has been established through clinical trials. Traditional Chinese Medicine typically uses 6-15 grams of dried herb daily, but consultation with a qualified practitioner is recommended for appropriate dosing. ### Can Ligustrum lucidum help with arthritis pain? Animal studies suggest potential benefits for osteoarthritis through reduced pain sensitivity and improved cartilage markers. However, human clinical trials are needed to confirm these effects and determine effective dosages for arthritis management. ### Is Ligustrum lucidum safe to take with medications? The herb may interact with immunosuppressive drugs due to its immune-modulating properties. Always consult healthcare providers before combining with prescription medications, especially those affecting immune function or blood clotting. ### What's the difference between Ligustrum lucidum and other Ligustrum species? Ligustrum lucidum (Glossy Privet) contains higher concentrations of oleanolic acid compared to other species like Ligustrum vulgare. This specific species is the one traditionally used in Chinese medicine for its therapeutic properties. ### Is Ligustrum lucidum safe during pregnancy and breastfeeding? Ligustrum lucidum should be avoided during pregnancy and breastfeeding due to insufficient safety data in these populations. Traditional use suggests it may affect hormone levels and uterine function, making it prudent to consult a healthcare provider before use if you are pregnant, planning pregnancy, or nursing. ### What does the clinical research show about Ligustrum lucidum's anti-cancer potential? Current evidence for Ligustrum lucidum's anti-cancer properties comes primarily from cell culture and animal studies showing inhibition of glioma and hepatocellular carcinoma growth. Human clinical trials are limited, so these findings cannot yet be considered conclusive, and Ligustrum lucidum should not be relied upon as a cancer treatment without professional medical guidance. ### Which form of Ligustrum lucidum—extract, powder, or whole berry—is most effective? Standardized extracts of Ligustrum lucidum typically contain concentrated levels of active compounds and may offer more consistent dosing than powders or whole berries. However, bioavailability varies between formulations, and traditional preparations often combine Ligustrum lucidum with complementary herbs to enhance absorption and therapeutic efficacy. --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*