# Kaffir Lime Leaves

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/kaffir-lime-leaves
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 4 / 10
**Category:** Leaf/Green
**Also Known As:** Citrus hystrix, Makrut lime leaves, Thai lime leaves, Bergamot lime leaves, Daun jeruk purut, Bai makrut, Leech lime leaves

## Overview

Kaffir lime leaves contain citronellol and limonene essential oils that provide carminative effects for [digestive health](/ingredients/condition/gut-health). The leaves' polyphenols and vitamin C deliver [antioxidant protection](/ingredients/condition/antioxidant) while antimicrobial compounds support [immune function](/ingredients/condition/immune-support).

## Health Benefits

- Soothe digestive discomfort and bloating through the carminative properties of essential oils.
- Provide [antioxidant protection](/ingredients/condition/antioxidant) with polyphenols and flavonoids that neutralize oxidative stress.
- Strengthen immune defenses with vitamin C and [antimicrobial](/ingredients/condition/immune-support) bioactive compounds.
- Enhance [skin elasticity](/ingredients/condition/skin-health) and radiance through antioxidants and [anti-inflammatory](/ingredients/condition/inflammation) agents.
- Promote relaxation and reduce stress with the calming aroma of volatile oils.
- Support [cardiovascular](/ingredients/condition/heart-health) and joint health by reducing systemic inflammation.

## Mechanism of Action

Citronellol and limonene essential oils in kaffir lime leaves activate smooth [muscle relaxation](/ingredients/condition/sleep) in the digestive tract, reducing spasms and gas accumulation. The polyphenolic compounds quercetin and kaempferol scavenge free radicals by donating electrons to neutralize [reactive oxygen species](/ingredients/condition/antioxidant). Vitamin C enhances neutrophil function and stimulates interferon production to strengthen immune responses.

## Clinical Summary

Research on kaffir lime leaves is primarily limited to in vitro and animal studies examining [antioxidant](/ingredients/condition/antioxidant) and [antimicrobial](/ingredients/condition/immune-support) properties. Laboratory studies have demonstrated significant DPPH radical scavenging activity of leaf extracts, with IC50 values around 150-200 μg/mL. Small-scale traditional use studies suggest digestive benefits, but controlled human clinical trials are lacking. Current evidence is preliminary and requires larger randomized controlled trials to establish therapeutic efficacy.

## Nutritional Profile

- Essential oils (e.g., citronellal, limonene): Aid [digestion](/ingredients/condition/gut-health) and deliver stress-relieving aromatherapy effects.
- Polyphenols and flavonoids: Offer [antioxidant](/ingredients/condition/antioxidant) and [anti-inflammatory](/ingredients/condition/inflammation) protection.
- Vitamin C: Supports immune response and [collagen synthesis](/ingredients/condition/skin-health).
- Terpenes: Contribute to [antimicrobial](/ingredients/condition/immune-support) and mood-regulating actions.

## Dosage & Preparation

Recommended Dosage: Tea: Steep 1-2 teaspoons of dried leaves in hot water for 5-10 minutes, drink 2-3 cups daily. Powder: Mix 1-2 teaspoons (2-5g) into smoothies or beverages. Fresh: Add to salads, soups, or cooking.

Traditional Use & Preparation: - Culinary: Use 1–2 leaves, shredded or crushed, to flavor soups, curries, rice, or marinades.
- Tea: Steep whole leaves in hot water with ginger or mint for a calming infusion.
- Storage: Keep fresh leaves refrigerated or freeze for long-term use; dry leaves in a cool, dark place.
- Preparation: Bruise leaves to release volatile oils before cooking. Remove before serving.

General Guidance: Start with a lower dose and increase gradually. Consult a healthcare provider before starting any new supplement, especially if pregnant, nursing, or taking medications.

## Safety & Drug Interactions

Kaffir lime leaves are generally recognized as safe when consumed as food flavoring, with no significant adverse effects reported in traditional culinary use. Essential oil components may cause skin sensitization or allergic reactions in susceptible individuals when applied topically. The leaves may enhance the effects of anticoagulant medications due to vitamin C content, though clinical significance is unclear. Pregnancy and breastfeeding safety data is insufficient, warranting caution with supplemental doses beyond normal culinary amounts.

## Scientific Research

Research on Kaffir Lime Leaves, native to Kaffir lime leaves, has been documented in the scientific literature. Phytochemical investigation has identified bioactive constituents including flavonoids, tannins, phenolic acids, and terpenoids. In vitro studies demonstrate [antioxidant](/ingredients/condition/antioxidant), [antimicrobial](/ingredients/condition/immune-support), and [anti-inflammatory](/ingredients/condition/inflammation) activities. Total phenolic content (TPC) and DPPH radical scavenging assays have quantified antioxidant capacity. Fatty acid methyl ester (FAME) analysis characterizes the lipid fraction.

## Historical & Cultural Context

Kaffir lime leaves have played a dual role in Southeast Asian traditions—as a culinary essential and an herbal remedy. Used in tonics, baths, and stews, they were prized for their purifying aroma and ability to calm the body and spirit, deeply rooted in cultural healing practices.

## Synergistic Combinations

Hermetica Synergy Stack (Formulation Heuristic)
Role: Mineral + chlorophyll base (systemic vitality)
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Mood & Stress
Primary Pairings: Ginger (Zingiber officinale); Lemongrass; Turmeric (Curcuma longa); Chamomile
Evidence: see study_urls / reference_urls

## Frequently Asked Questions

### How much vitamin C is in kaffir lime leaves?

Fresh kaffir lime leaves contain approximately 150-200mg of vitamin C per 100g, which is significantly higher than most citrus fruits. This high vitamin C content contributes to their immune-supporting and antioxidant properties.

### Can kaffir lime leaves help with bloating?

Yes, the citronellol and limonene essential oils in kaffir lime leaves have carminative properties that help relax digestive muscles and reduce gas formation. Traditional use and preliminary studies suggest they may help alleviate bloating and digestive discomfort.

### Are kaffir lime leaves safe during pregnancy?

While kaffir lime leaves are safe in normal culinary amounts, there is insufficient safety data for supplemental doses during pregnancy and breastfeeding. Pregnant women should consult healthcare providers before using therapeutic amounts beyond cooking.

### What's the difference between kaffir lime leaves and regular lime?

Kaffir lime leaves have a distinctive double-leaf structure and contain higher concentrations of citronellol and limonene essential oils compared to regular lime. They also provide significantly more vitamin C and unique polyphenolic compounds not found in common lime varieties.

### Do kaffir lime leaves interact with blood thinners?

The high vitamin C content in kaffir lime leaves may theoretically enhance anticoagulant effects of blood-thinning medications like warfarin. While clinical significance is unclear, patients on anticoagulants should monitor for changes and consult their healthcare provider about supplemental use.

### What is the best way to consume kaffir lime leaves for maximum health benefits?

Kaffir lime leaves are most commonly consumed as a dried tea or fresh infusion, which helps preserve their volatile essential oils and antioxidant compounds. Steep 3-5 fresh or dried leaves in hot water for 5-10 minutes to extract the beneficial polyphenols and flavonoids. Fresh leaves can also be added to curries, soups, and broths during cooking to release their carminative and anti-inflammatory properties.

### Can kaffir lime leaves help with nausea or digestive discomfort?

Yes, kaffir lime leaves contain essential oils with carminative properties that can help ease digestive discomfort, reduce gas, and soothe mild nausea. The antimicrobial and anti-inflammatory compounds in these leaves may support healthy digestion and gut function. A warm tea made from kaffir lime leaves is traditionally used across Southeast Asia for digestive relief and to promote overall digestive wellness.

### Are there any groups of people who should be cautious about consuming kaffir lime leaves?

While generally safe for most adults, individuals with citrus allergies should avoid kaffir lime leaves as they may trigger allergic reactions. People taking medications for acid reflux or digestive conditions should consult a healthcare provider before regular consumption, as the acidic and stimulating nature of the leaves may affect medication efficacy. Additionally, those sensitive to essential oils should start with small amounts to assess individual tolerance.

## References

No verified citations available

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*