# Cuban Sweet Lemon

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/cuban-sweet-lemon
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Other
**Also Known As:** Citrus aurantifolia, Tincture of Lime Leaves, Cuban Lime Leaf Extract

## Overview

Cuban Sweet Lemon refers to a hydroalcoholic extract from Citrus aurantifolia (lime) leaves, rich in C-glycosyl flavones like vitexin and isovitexin. These compounds demonstrate antiplatelet activity by inhibiting platelet aggregation induced by ADP and epinephrine.

## Health Benefits

- Enhances [immune function](/ingredients/condition/immune-support) by providing high levels of vitamin C, a potent antioxidant.
- Supports [collagen synthesis](/ingredients/condition/skin-health) and skin health through its rich vitamin C content.
- Promotes [liver detox](/ingredients/condition/detox)ification and healthy [digestion](/ingredients/condition/gut-health) due to its natural acids and high water content.
- Aids in hydration and weight management with its high water content and low-calorie profile.
- Reduces [oxidative stress](/ingredients/condition/antioxidant) through its antioxidant properties, protecting cellular integrity.

## Mechanism of Action

The primary bioactive compounds in Cuban Sweet Lemon extract are C-glycosyl flavones, including vitexin, isovitexin, and novel arabinosyl derivatives, identified via HPLC-PDA-ESI/MS/MS and NMR. These flavonoids exert antiplatelet activity by concentration-dependently inhibiting platelet aggregation induced by agonists like ADP and epinephrine in human plasma. The mechanism is thought to involve the interference of these compounds with platelet agonists, thereby preventing platelet activation and aggregation.

## Clinical Summary

Preliminary *in vitro* studies using human plasma demonstrate that Cuban Sweet Lemon extract (TLL) exhibits concentration-dependent inhibition of platelet aggregation. Specifically, it showed an IC50 of 0.40 mg/mL against ADP-induced aggregation and 0.32 mg/mL against epinephrine-induced aggregation. While promising, these findings are based on *in vitro* models, and further clinical trials are necessary to confirm efficacy and safety in humans.

## Nutritional Profile

- Vitamin C: High content, crucial for [immune function](/ingredients/condition/immune-support) and [collagen production](/ingredients/condition/skin-health).
- Flavonoids: Contribute to [antioxidant protection](/ingredients/condition/antioxidant) and [anti-inflammatory](/ingredients/condition/inflammation) effects.
- Potassium: Essential mineral supporting electrolyte balance.
- Natural Acids: Aid in detoxification and [digestion](/ingredients/condition/gut-health).

## Dosage & Preparation

- Forms: Fresh fruit, juice, zest.
- Culinary Use: Squeeze juice over dishes, use zest in baked goods, sauces, and beverages.
- Beverages: Ideal for smoothies, refreshing drinks, and lemonades.
- Dosage: Recommended daily intake of 1/4 to 1/2 cup of juice for optimal health benefits.

## Safety & Drug Interactions

Comprehensive safety data, including common side effects, drug interactions, and contraindications for Cuban Sweet Lemon extract, are not available in the provided research. As an antiplatelet agent, there is a theoretical risk of increased bleeding, especially when combined with anticoagulant or antiplatelet medications. Due to insufficient data, it is advisable for pregnant or breastfeeding individuals, or those with bleeding disorders, to avoid its use. Consultation with a healthcare professional is recommended before incorporating this extract into any regimen.

## Scientific Research

Preliminary research indicates interest in Cuban Sweet Lemon's potential for immune health, particularly its [antioxidant](/ingredients/condition/antioxidant) capacity. Studies are exploring its role in detoxification processes and overall wellness.

## Historical & Cultural Context

Cuban Sweet Lemon has been a staple in Cuban diets for centuries, valued for its sweet, mild flavor and versatile culinary applications. It holds cultural significance, symbolizing the vibrant agricultural richness of Cuba and its long tradition of citrus cultivation.

## Synergistic Combinations

Role: Functional whole-food/ingredient
Intention: General Vitality
Primary Pairings: - Turmeric (Curcuma longa)
- Ginger (Zingiber officinale)
- Vitamin C (Ascorbic Acid)
- Ashwagandha (Withania somnifera)

## Frequently Asked Questions

### What is Cuban Sweet Lemon extract?

Cuban Sweet Lemon extract, also known as TLL, is a hydroalcoholic extract (tincture) derived from the leaves of Citrus aurantifolia, commonly known as lime. It is developed in Cuba as a nutritional supplement and phytomedicine, distinct from the sweet lemon fruit.

### What are the main active compounds in Cuban Sweet Lemon extract?

The primary bioactive compounds found in Cuban Sweet Lemon extract are C-glycosyl flavones. Key examples include vitexin, isovitexin, and newly identified arabinosyl derivatives, which are responsible for its biological activities.

### How does Cuban Sweet Lemon extract work?

Cuban Sweet Lemon extract works primarily through its antiplatelet activity. Its C-glycosyl flavones inhibit platelet aggregation in human plasma, specifically when induced by agonists like ADP and epinephrine. This interference with platelet activation suggests a role in maintaining healthy blood flow.

### What are the potential health benefits of Cuban Sweet Lemon extract?

Based on preliminary *in vitro* research, the extract's main potential benefit is its antiplatelet effect, which may contribute to cardiovascular health by reducing the risk of unwanted blood clot formation. However, these benefits require further validation through human clinical trials.

### Is Cuban Sweet Lemon extract safe to use?

Comprehensive safety data for Cuban Sweet Lemon extract in humans are currently limited in the provided research. Due to its antiplatelet properties, there is a theoretical risk of increased bleeding, especially when used with other medications affecting coagulation. It is recommended to consult a healthcare professional before use.

### What forms of Cuban Sweet Lemon extract are available as supplements?

Cuban Sweet Lemon is available in several forms including concentrated juice powders, dried fruit extracts, capsules, and liquid extracts. The powder and liquid forms are most common in supplement formulations, as they preserve the vitamin C and bioactive compounds effectively. Standardized extracts typically guarantee a minimum vitamin C content to ensure consistent potency across batches.

### Can I get the same benefits from eating fresh Cuban Sweet Lemon as from taking the extract supplement?

Fresh Cuban Sweet Lemons do provide natural vitamin C and antioxidants, but supplemental extracts offer concentrated levels of active compounds in convenient doses. The extract form allows for consistent daily intake without the variable nutrient content found in whole fruit, which can vary based on ripeness, storage, and growing conditions. However, whole fruit also provides beneficial fiber and other phytochemicals not always present in extracts.

### Who should avoid taking Cuban Sweet Lemon extract supplements?

Individuals with citric acid sensitivity, GERD, or those taking certain medications like statins or bisphosphonates should consult a healthcare provider before using Cuban Sweet Lemon extract, as the citric acid may interfere with absorption or exacerbate digestive issues. Those with known allergies to citrus fruits should avoid this supplement entirely. People on blood-thinning medications should also seek medical guidance due to potential interactions with high-dose vitamin C.

## References

Research links: https://www.ncbi.nlm.nih.gov/search/all/?term=Cuban+Sweet+Lemon | Studies: https://pubmed.ncbi.nlm.nih.gov/?term=Cuban+Sweet+Lemon

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