# Clove Basil Leaf

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/clove-basil-leaf
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Leaf/Green
**Also Known As:** Ocimum gratissimum, African basil, Scent leaf, Rama tulsi, Clove basil

## Overview

Clove Basil Leaf (Ocimum gratissimum) contains 40-80% eugenol in its essential oil, which inhibits COX enzymes and downregulates inflammatory cytokines IL-6 and TNF-α. The leaf also provides thymol for [antimicrobial](/ingredients/condition/immune-support) activity and β-caryophyllene for CB2 receptor-mediated [inflammation](/ingredients/condition/inflammation) control.

## Health Benefits

- **Supports respiratory clarity**: and decongestion by acting as an expectorant.
- **Modulates [inflammation](/ingredients/condition/inflammation) and**: [immune function](/ingredients/condition/immune-support), enhancing the body's natural defenses.
- **Aids [digestion](/ingredients/condition/gut-health) and**: reduces bloating through carminative properties.
- **Uplifts mood and**: calms nervous tension, promoting mental well-being.
- **Offers broad-spectrum antimicrobial**: protection for skin and mucosal health.

## Mechanism of Action

Eugenol inhibits cyclooxygenase enzymes and suppresses NF-κB and MAPK [inflammatory pathway](/ingredients/condition/inflammation)s while downregulating cytokines IL-6 and TNF-α. Thymol disrupts bacterial cell membranes against E. coli and Staphylococcus aureus, while β-caryophyllene modulates inflammation via CB2 cannabinoid receptors. Flavonoids like luteolin and apigenin provide [antioxidant protection](/ingredients/condition/antioxidant) through free radical scavenging and metal chelation.

## Clinical Summary

In vitro studies show leaf extracts at 400-800 μg/mL reduced hepatocellular carcinoma cell viability and decreased inflammatory markers. Rat studies using 50-100 mg/kg phenolic-enriched fractions demonstrated reduced carrageenan-induced [inflammation](/ingredients/condition/inflammation) with lower TNF-α levels and myeloperoxidase activity. Aqueous extracts at 20-80 mg/mL protected HepG2 cells from oxidative damage in laboratory conditions. Evidence remains limited to animal and cell culture studies with no large-scale human clinical trials available.

## Nutritional Profile

- Bioactives: Eugenol (primary compound), Linalool, Rosmarinic Acid, Flavonoids, Tannins, Essential Oils

## Dosage & Preparation

- Common forms: Dried leaf, essential oil, fresh leaves.
- Traditional use: Brewed into teas, infused in oils, or chewed fresh for immune and respiratory support.
- Modern applications: Throat-soothing infusions, digestive blends, mood-balancing teas, [antimicrobial](/ingredients/condition/immune-support) mouthwashes.
- Dosage: 1–2 g/day of dried leaf or 300–500 mg/day of extract.

## Safety & Drug Interactions

Rodent studies indicate an LD50 greater than 5 g/kg, suggesting a wide therapeutic window with low acute toxicity. No major drug interactions or contraindications have been documented in available research, though long-term human safety data remains sparse. Potential synergistic effects with antibiotics have been reported for basil species generally, warranting caution with concurrent antibiotic use. Safety during pregnancy and lactation has not been established through clinical studies.

## Scientific Research

Research published in NCBI and ScienceDirect indicates Clove Basil's significant [anti-inflammatory](/ingredients/condition/inflammation), [antimicrobial](/ingredients/condition/immune-support), and anxiolytic properties, primarily attributed to its eugenol content. Studies support its traditional uses for respiratory and immune health, though more human clinical trials are warranted.

## Historical & Cultural Context

In West African tradition, Clove Basil (also known as African Basil) is revered as a spiritual protector and vitality herb, utilized in purification rites, prayer rituals, and seasonal [immunity](/ingredients/condition/immune-support) tonics. Its use extends to South Asian herbalism for coughs, colds, in[digestion](/ingredients/condition/gut-health), and [mental clarity](/ingredients/condition/cognitive).

## Synergistic Combinations

Role: Mineral + chlorophyll base
Intention: Gut & [Microbiome](/ingredients/condition/gut-health) | Immune & [Inflammation](/ingredients/condition/inflammation)
Primary Pairings: - Ginger (Zingiber officinale)
- Turmeric (Curcuma longa)
- Olive Oil (Olea europaea)
- Lemongrass (Cymbopogon citratus)

## Frequently Asked Questions

### What is the main active compound in clove basil leaf?

Eugenol comprises 40-80% of clove basil's essential oil and provides the primary anti-inflammatory and antimicrobial effects. This compound works by inhibiting COX enzymes and suppressing inflammatory cytokines like IL-6 and TNF-α.

### How much clove basil extract was effective in studies?

Laboratory studies used 400-800 μg/mL concentrations to reduce cancer cell viability, while animal studies employed 50-100 mg/kg doses to decrease inflammation markers. However, these dosages come from preliminary research and have not been validated in human clinical trials.

### Is clove basil safe to consume regularly?

Animal studies suggest low toxicity with an LD50 above 5 g/kg, indicating a wide safety margin. However, long-term human safety data is limited, and no comprehensive clinical trials have established safe dosing ranges for regular consumption.

### Can clove basil interact with medications?

No major drug interactions have been documented in available research, though potential synergistic effects with antibiotics have been noted. Limited clinical data means interactions with other medications remain poorly understood and require medical consultation.

### What conditions has clove basil been traditionally used for?

Traditional uses include treating inflammation, infections, diabetes, and digestive issues across West Africa, India, and Southeast Asia. Modern research has begun validating some antimicrobial and anti-inflammatory properties, though clinical evidence for diabetes and digestive benefits remains limited.

### What is the best form of clove basil leaf for respiratory support — fresh, dried, or extract?

Dried clove basil leaf and standardized extracts are most practical for consistent dosing and shelf stability, while fresh leaf offers maximum volatile oil content but is harder to standardize. For respiratory support specifically, hot water infusions or steam inhalation of dried leaf leverage the expectorant properties effectively. Extracts provide concentrated bioactive compounds but may lose some beneficial aromatic compounds lost during processing.

### Is clove basil leaf safe for children and pregnant women?

While clove basil is generally recognized as safe for culinary use, pregnant and nursing women should consult a healthcare provider before supplementing, as safety data in these populations is limited. For children, small amounts in food are considered safe, but concentrated supplements should only be given under professional guidance due to lack of established pediatric dosing. The essential oil concentration in supplements may be a consideration for very young children.

### How does clove basil leaf compare to other antimicrobial herbs like oregano or thyme?

Clove basil leaf contains eugenol and other phenolic compounds similar to oregano and thyme, but clove basil is particularly noted for its dual benefits of antimicrobial action and mood-uplifting properties through aromatic compounds. While oregano and thyme are stronger for direct antimicrobial potency in research studies, clove basil uniquely combines respiratory expectorant and carminative digestive benefits in a single herb. The choice depends on whether you prioritize broad antimicrobial action (oregano), mood and relaxation (clove basil), or a balanced profile across multiple systems.

## References

Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8309832; https://www.sciencedirect.com/science/article/pii/S2221169116303257; https://pubmed.ncbi.nlm.nih.gov/29230057

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