Hermetica Superfood Encyclopedia
The Short Answer
Aubergine leaf (Solanum melongena) contains concentrated phenolic compounds, flavonoids, and alkaloids, with total phenols reaching 42.52 mg/g fresh weight. These bioactives demonstrate potent antioxidant activity through free radical scavenging and upregulation of cellular antioxidant enzymes like catalase and superoxide dismutase.
CategoryLeaf & Herb
GroupLeaf/Green
Evidence LevelModerate
Primary Keywordaubergine leaf benefits
Synergy Pairings4
Aubergine Leaf — botanical close-up
Health Benefits
**Supports respiratory wellness**
by clearing mucus and alleviating bronchial congestion.
**Exhibits anti-inflammatory properties,**
benefiting joint and musculoskeletal health.
**Combats oxidative stress,**: promoting cellular vitality and healthy aging
**Aids digestion through**
gastric stimulation and supports gut microbiome balance.
**Supports cardiovascular health**
by potentially regulating blood pressure and improving circulation.
**Enhances immune resilience**: with antimicrobial and adaptogenic effects
Origin & History
Natural habitat
Aubergine Leaf, derived from Solanum melongena, the common eggplant, is native to South Asia and Southeast Asia. While the fruit is widely consumed, the leaves have a history of traditional use in these regions for their medicinal properties, particularly in supporting respiratory and digestive wellness.
“Aubergine leaves have been traditionally used across South Asia and parts of Africa for treating respiratory ailments, digestive discomfort, and inflammatory conditions. They were incorporated into diets and topical remedies for nourishment and healing, revered for stimulating digestion and supporting vitality.”Traditional Medicine
Scientific Research
Emerging research on Aubergine Leaf focuses on its flavonoid, polyphenol, and alkaloid content, suggesting antioxidant, anti-inflammatory, and antimicrobial activities. Studies are primarily in vitro and animal models, supporting traditional uses for respiratory and digestive ailments. Further human clinical trials are needed.
Preparation & Dosage
Traditional preparation
Common forms
Dried leaves for tea, powdered extracts.
Tea Preparation
Steep 2-3 grams of dried leaves in hot water for 10-15 minutes, consumed up to twice daily.
Dosage
500-1000 mg per day is recommended
For powdered extracts, .
Contraindications
Due to alkaloid content, consumption in large quantities or by sensitive individuals should be approached with caution.
Nutritional Profile
- Phytochemicals/Bioactives: Flavonoids, Polyphenolic compounds, Alkaloids (e.g., solasodine), Chlorogenic acid
- Vitamins: A, C
- Minerals: Potassium, Magnesium
- Fiber: Dietary fiber
How It Works
Mechanism of Action
Aubergine leaf's phenolic compounds, particularly chlorogenic acid and protocatechuic acid, scavenge free radicals via ABTS and DPPH pathways with IC50 values of 689.5 µg/mL and 455.9 µg/mL respectively. The leaf extract upregulates GLUT4 gene expression up to 19-fold in cell models, enhancing glucose uptake beyond metformin levels. Additional mechanisms include suppression of carbohydrate-digesting enzymes α-amylase and α-glucosidase through coumaroyltyramine compounds.
Clinical Evidence
Current evidence for aubergine leaf is limited to in vitro and animal studies, with no published human clinical trials available. In C2C12 cell models, eggplant extracts increased GLUT4 expression 2.99-19-fold and normalized lipid peroxidation markers under oxidative stress conditions. Rat liver microsome studies demonstrated 80% protective activity against CCl4-induced lipid peroxidation. While traditional uses are supported by preliminary research showing antioxidant and anti-inflammatory properties, human clinical data is needed to establish therapeutic efficacy and optimal dosing.
Safety & Interactions
Safety data for aubergine leaf is limited, with no specific contraindications or drug interactions documented for Solanum melongena leaf preparations. Related solanaceous plants may contain alkaloids with potential toxicity at high doses, though specific quantities and thresholds are not established. One study on the related species Solanum torvum showed reproductive effects in animal models at 10-15g doses, suggesting caution with high-dose use. Pregnant and breastfeeding women should avoid aubergine leaf preparations due to insufficient safety data and potential alkaloid content.
Synergy Stack
Hermetica Formulation Heuristic
Polyphenol/antioxidant base
Respiratory Support | Gut & Microbiome
Also Known As
Solanum melongena leafeggplant leafbrinjal leafguinea squash leaf
Frequently Asked Questions
What are the main active compounds in aubergine leaf?
Aubergine leaf contains phenolic compounds (42.52 mg/g fresh), flavonoids (0.97-2.12 mg/g), tannins (0.76-0.87 mg/g), and alkaloids. Specific compounds include chlorogenic acid, hydrocaffeic acid, protocatechuic acid, and coumaroyltyramine, which provide antioxidant and anti-inflammatory effects.
How strong is the antioxidant activity of aubergine leaf?
Aubergine leaf demonstrates potent antioxidant activity with DPPH IC50 of 455.9 µg/mL and ABTS IC50 of 689.5 µg/mL. These values indicate superior free radical scavenging capacity compared to other parts of the eggplant, with the leaf containing the highest concentration of antioxidant compounds.
Are there any clinical studies on aubergine leaf benefits?
Currently, no human clinical trials on aubergine leaf have been published, with evidence limited to laboratory and animal studies. Cell culture studies show promising glucose uptake enhancement and antioxidant effects, but human clinical data is needed to confirm therapeutic benefits and establish proper dosing guidelines.
Can aubergine leaf help with blood sugar management?
Laboratory studies show aubergine leaf extracts can increase GLUT4 expression up to 19-fold in cell models, potentially enhancing glucose uptake more effectively than metformin. The leaf also contains compounds that inhibit carbohydrate-digesting enzymes α-amylase and α-glucosidase, but human studies are needed to confirm blood sugar benefits.
What safety precautions should be taken with aubergine leaf?
Due to limited safety data and potential alkaloid content in solanaceous plants, aubergine leaf should be used cautiously. Pregnant and breastfeeding women should avoid use, and high doses may pose risks based on studies of related species showing reproductive effects at 10-15g doses in animals.
What is the most effective form of aubergine leaf supplement—dried, extract, or tea?
Standardized extracts of aubergine leaf tend to offer concentrated levels of active compounds like chlorogenic acid and nasunin, making them more bioavailable than whole dried leaf. However, tea preparations preserve heat-sensitive polyphenols and may support digestive function through gentler gastric stimulation. The choice depends on your primary goal: extracts for targeted antioxidant support, or tea for broader digestive and respiratory benefits.
Can I get sufficient aubergine leaf benefits from eating aubergine fruit and vegetables alone?
While aubergine fruit contains some beneficial compounds, the leaves are significantly more concentrated in active constituents like chlorogenic acid and caffeoylquinic acids. Dietary aubergine fruit can contribute to overall antioxidant intake but may not reach therapeutic levels needed for specific respiratory or inflammatory support. Supplemental forms allow for standardized dosing that is difficult to achieve through diet alone.
Is aubergine leaf safe to use alongside common blood pressure or cholesterol medications?
Aubergine leaf has mild cardiovascular effects and may have additive benefits with blood pressure medications, warranting consultation with a healthcare provider before concurrent use. There are no well-documented major interactions with statins or standard hypertension drugs, but individual sensitivity varies. Always inform your doctor about aubergine leaf supplementation to ensure safe co-administration with your current medications.
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