Hermetica Superfood Encyclopedia
The Short Answer
Bilva (Aegle marmelos) contains marmelosin, a compound demonstrating potent antioxidant activity with an IC₅₀ of 15.4 μM in laboratory studies. The herb works through antioxidant and anti-inflammatory pathways to combat oxidative stress and support immune function.
CategoryHerbs (Global Traditional)
GroupAyurveda
Evidence LevelModerate
Primary Keywordbilva benefits
Synergy Pairings5
Bilva (Aegle marmelos) — botanical close-up
Health Benefits
Origin & History
Natural habitat
Aegle marmelos (L.) Correa, commonly known as Bael or Bilva, is a tree native to the Indian subcontinent that has been widely cultivated throughout South Asia. The fruit pulp is the primary source of bioactive compounds, extracted using methanol and water as optimal solvents, followed by ethanol.
“Aegle marmelos holds significant importance in Ayurvedic and traditional Indian medicine systems, where it has been valued for centuries. The fruit pulp has been traditionally employed for antidiarrheal purposes and digestive support, while leaves and bark have been used for various inflammatory and infectious conditions.”Traditional Medicine
Scientific Research
The research indicates that clinical evidence remains limited, with sources specifically noting 'insufficient clinical trials to validate its safety and efficacy' and 'limited high-quality clinical trials.' No PubMed PMIDs or human clinical trial data were available in the research dossier.
Preparation & Dosage
Traditional preparation
No clinically studied dosage ranges for human use or standardized extract specifications are available from the research. The sources note that variability in phytochemical composition and lack of standardized formulations represent significant challenges to clinical application. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Bilva (Aegle marmelos) fruit pulp contains approximately 61.5g carbohydrates, 1.8g protein, 0.3g fat, and 2.9g crude fiber per 100g dry weight. Moisture content in ripe fruit ranges 54-61%. Key micronutrients include calcium (85mg/100g), phosphorus (50mg/100g), iron (0.6mg/100g), potassium (600mg/100g), and vitamin C (8-60mg/100g depending on ripeness, with ripe fruit containing lower concentrations). Riboflavin (0.02mg/100g) and thiamine (0.13mg/100g) are present in modest amounts. Primary bioactive compounds include: marmelosin (imperatorin) at approximately 0.5-1.2% in fruit pulp, marmelide, and psoralen (furanocoumarins); alkaloids including aegeline (~0.01-0.02% in leaves) and O-methylhafforine; flavonoids including rutin and quercetin derivatives (total flavonoid content ~15-25mg QE/g in leaf extracts); tannins (4-9% in unripe fruit, significantly reduced in ripe fruit affecting astringency); pectin (approximately 5.5g/100g in ripe pulp, contributing to gel-forming capacity); essential oil components in leaves including citral (major volatile), eugenol, p-cymene, and limonene collectively comprising 60-70% of leaf volatile fraction; and beta-sitosterol and lupeol in root bark. Bioavailability note: furanocoumarin compounds like marmelosin are lipophilic and may benefit from co-consumption with dietary fat; tannin content in unripe fruit may inhibit iron and protein absorption; pectin content may modestly slow glucose absorption, supporting traditional use in digestive regulation.
How It Works
Mechanism of Action
Bilva's primary bioactive compound marmelosin exhibits antioxidant activity by scavenging free radicals and reducing oxidative stress markers. The herb's anti-inflammatory effects appear to work through inhibition of pro-inflammatory pathways, though specific molecular targets require further investigation. Additional compounds in bilva may contribute to antimicrobial activity through disruption of bacterial cell membranes.
Clinical Evidence
Current evidence for bilva consists primarily of in vitro and animal studies, with limited human clinical trials available. Laboratory studies have quantified marmelosin's antioxidant potency at IC₅₀ values around 15.4 μM, demonstrating significant free radical scavenging activity. Animal studies suggest anti-inflammatory and antimicrobial properties, but human studies with specific dosages and clinical outcomes are lacking. The evidence base remains preliminary and requires well-designed human trials to establish therapeutic efficacy.
Safety & Interactions
Bilva appears generally well-tolerated based on traditional use, but comprehensive safety data from clinical trials is limited. Potential interactions with diabetes medications may occur due to possible blood sugar effects observed in animal studies. Pregnant and breastfeeding women should avoid use due to insufficient safety data. Individuals with autoimmune conditions should consult healthcare providers before use due to immune-modulating properties.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Aegle marmelosBaelBael fruitWood appleBengal quinceGolden appleStone appleShriphalMareduVilvamBilwaIndian bael
Frequently Asked Questions
What is the active compound in bilva that provides antioxidant benefits?
Marmelosin is the primary bioactive compound in bilva responsible for antioxidant effects. Studies show marmelosin has an IC₅₀ value of approximately 15.4 μM for free radical scavenging activity. This compound appears to be the main contributor to bilva's oxidative stress protection properties.
How much bilva extract should I take daily?
No standardized dosage exists for bilva due to limited human clinical trials. Traditional Ayurvedic preparations typically use 3-6 grams of dried fruit pulp daily. Consult a healthcare provider familiar with herbal medicine for personalized dosing recommendations based on your health status.
Can bilva interact with diabetes medications?
Bilva may potentially interact with diabetes medications based on animal studies suggesting blood glucose effects. This could theoretically enhance the effects of diabetes drugs, leading to hypoglycemia. Diabetic patients should monitor blood sugar closely and consult their physician before using bilva supplements.
Is bilva safe during pregnancy?
Bilva safety during pregnancy has not been established through clinical studies. Traditional use suggests caution, and some sources indicate potential uterine stimulant effects. Pregnant and breastfeeding women should avoid bilva supplementation until more safety data becomes available.
What's the difference between bilva fruit and leaf extracts?
Bilva fruit pulp traditionally focuses on digestive and antioxidant benefits, while leaf extracts may contain different concentrations of bioactive compounds. Most research on marmelosin and antioxidant activity has been conducted on fruit extracts. The specific compound profiles and therapeutic effects may vary between plant parts.
What does clinical research show about bilva's antimicrobial effectiveness in humans?
While bilva contains compounds like citral, eugenol, and p-cymene that demonstrate antibacterial properties in laboratory studies, robust human clinical trials supporting antimicrobial efficacy are limited. Most evidence comes from in vitro and animal model research rather than controlled human studies, so antimicrobial claims remain preliminary. More rigorous clinical investigation is needed to establish effective dosing and real-world antimicrobial outcomes in human populations.
Is bilva supplement safe for children, and are there age-specific dosing recommendations?
Safety data for bilva supplementation in children is insufficient, and pediatric dosing guidelines have not been established through clinical research. Traditional use in Ayurvedic medicine spans various age groups, but modern safety and efficacy studies in children are lacking. Parents should consult healthcare providers before giving bilva to children, as appropriate dosing depends on age, weight, and individual health status.
Which form of bilva—whole fruit, powder, extract, or standardized supplement—is most bioavailable?
Bioavailability studies comparing different bilva forms are sparse, though standardized extracts are theoretically designed for consistent active compound delivery. Whole fruit and traditional preparations may offer additional fiber and cofactors that support absorption, but head-to-head bioavailability comparisons in human subjects have not been published. The most effective form likely depends on individual digestive capacity and the specific health outcome being targeted, warranting personalized professional guidance.
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