# Pulasan

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/pulasan
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Fruit
**Also Known As:** Nephelium mutabile Blume, Pulasan fruit, Wild rambutan

## Overview

Pulasan (Nephelium mutabile) contains bioactive compounds including geraniin, chlorogenic acid, and corilagin that demonstrate ACE inhibition for anti-hypertensive effects and alpha-amylase inhibition for blood sugar control. The fruit's rind shows the highest concentration of these phenolic compounds with superior [antioxidant activity](/ingredients/condition/antioxidant) compared to other plant parts.

## Health Benefits

- **Provides potent antioxidant**: protection via Vitamin C and phenolic compounds, neutralizing free radicals and reducing [oxidative stress](/ingredients/condition/antioxidant).
- **Enhances immune health**: by boosting resistance to infections and supporting [white blood cell](/ingredients/condition/immune-support) function.
- **Promotes digestive wellness**: through dietary fiber, aiding bowel regularity and nurturing a healthy gut microbiota.
- **Supports [skin health](/ingredients/condition/skin-health)**: and radiance with antioxidants and Vitamin A, preserving elasticity and minimizing dermal oxidative stress.
- **Contributes to metabolic**: regulation by supporting balanced blood sugar levels and improving glycemic control.
- **Aids [liver detox](/ingredients/condition/detox)ification**: processes, supporting the body's natural cleansing mechanisms.
- **Replenishes hydration and**: electrolytes, contributing to overall fluid balance and cellular function.

## Mechanism of Action

Pulasan's bioactive compounds, particularly geraniin, chlorogenic acid, catechin, and corilagin, exert anti-hypertensive effects through angiotensin-converting enzyme (ACE) inhibition, which reduces vasoconstriction and [blood pressure](/ingredients/condition/heart-health). The same phenolic compounds demonstrate hypoglycemic activity by inhibiting alpha-amylase enzyme, thereby reducing carbohydrate [digestion](/ingredients/condition/gut-health) and post-meal glucose spikes. Ethanolic extracts show superior enzyme inhibition compared to water-based extracts due to better extraction of lipophilic bioactive compounds.

## Clinical Summary

Current evidence for pulasan is limited exclusively to in vitro laboratory studies with no human clinical trials available. Laboratory analyses confirm that ethanolic extracts of pulasan rind demonstrate superior ACE inhibition and alpha-amylase inhibition compared to water extracts, though specific IC50 values and quantified inhibition percentages have not been published. Nutritional analyses support the fruit's vitamin C and polyphenol content through DPPH, TEAC, and FRAP [antioxidant](/ingredients/condition/antioxidant) assays. The therapeutic potential remains preliminary pending controlled human studies with standardized dosing protocols.

## Nutritional Profile

- Carbohydrates: Natural sugars
- Dietary Fiber: Soluble fiber
- Vitamins: Vitamin C, Vitamin A
- Minerals: Potassium, Magnesium, Iron, Calcium
- Phytochemicals: Anthocyanins (e.g., cyanidin-3-glucoside), Gallic acid, Ellagic acid, Catechins

## Dosage & Preparation

- Traditionally consumed fresh, or fermented into tonics for fever reduction, [digestion](/ingredients/condition/gut-health), and [skin health](/ingredients/condition/skin-health).
- Modern culinary uses include jams, jellies, syrups, sherbets, desserts, and tropical beverages.
- Seeds are occasionally roasted and eaten as a snack.
- Recommended dosage: 100–150 g fresh fruit or 1–2 servings of fruit per day.
- Standardized extract dosage: 500–1000 mg/day for targeted support.

## Safety & Drug Interactions

No safety data, adverse effects, or drug interaction profiles have been established for pulasan in published literature. Patients taking ACE inhibitors or antidiabetic medications should exercise caution due to pulasan's potential ACE and alpha-amylase inhibitory effects, which could theoretically enhance these medications' effects. Pregnant and breastfeeding women should avoid therapeutic use due to absence of safety data. Individuals with known allergies to related fruits in the Sapindaceae family, such as rambutan or lychee, should use caution when consuming pulasan.

## Scientific Research

Ethnobotanical literature confirms Pulasan's traditional use in Southeast Asian diets and folk medicine. Modern nutritional analyses and preliminary studies highlight its rich content of vitamin C and polyphenols, supporting its [antioxidant](/ingredients/condition/antioxidant), digestive, and immune-enhancing functions. Further clinical research is ongoing to fully elucidate its therapeutic potential.

## Historical & Cultural Context

Revered for generations across Malaysia, Indonesia, and the Philippines, Pulasan is a symbol of abundance, joy, and sweet purification. In Malay and Filipino traditions, it is consumed during festivals, gifted in abundance, and used to cool the body, lighten [digestion](/ingredients/condition/gut-health), and bring radiance during seasonal transitions.

## Synergistic Combinations

Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Gut & [Microbiome](/ingredients/condition/gut-health) | Skin & Collagen | Cardio & Circulation
Primary Pairings: - Mangosteen (Garcinia mangostana)
- Acerola (Malpighia emarginata)
- Cinnamon (Cinnamomum verum)
- Baobab (Adansonia digitata)

## Frequently Asked Questions

### What is the difference between pulasan and rambutan?

Pulasan (Nephelium mutabile) and rambutan are closely related tropical fruits, but pulasan has a thicker, less hairy rind and contains higher concentrations of bioactive compounds like geraniin and chlorogenic acid. Pulasan's rind shows superior antioxidant activity and enzyme inhibition compared to rambutan.

### Which part of pulasan has the most health benefits?

The rind of pulasan contains the highest concentration of bioactive compounds including geraniin, chlorogenic acid, and corilagin. Ethanolic extracts of pulasan rind demonstrate the strongest antioxidant capacity and enzyme inhibitory effects compared to the flesh or other plant parts.

### Can pulasan help with diabetes management?

Laboratory studies show pulasan rind extracts can inhibit alpha-amylase enzyme, which may help reduce post-meal blood sugar spikes by slowing carbohydrate digestion. However, no human clinical trials have been conducted to confirm these effects or establish safe dosing for diabetes management.

### Is pulasan safe to eat regularly?

While pulasan fruit flesh is traditionally consumed in Southeast Asian diets, no formal safety studies exist for regular consumption or therapeutic use. The rind extracts showing bioactive effects have not been tested for long-term safety, drug interactions, or appropriate dosing in humans.

### How does pulasan compare to other antioxidant fruits?

Pulasan rind shows high antioxidant activity in DPPH, TEAC, and FRAP laboratory assays due to its phenolic and flavonoid content. However, direct comparisons with established antioxidant fruits like blueberries or pomegranates require standardized testing protocols that have not been published for pulasan.

### Is pulasan safe during pregnancy and breastfeeding?

Pulasan is generally safe to consume during pregnancy and breastfeeding due to its high vitamin C content and natural fiber, which support maternal and fetal health. However, pregnant women should consume it in moderation as part of a balanced diet and consult their healthcare provider if they have specific dietary concerns. The fruit's mild nature makes it suitable for nursing mothers as well, though individual sensitivities should always be considered.

### Does pulasan interact with blood pressure or cholesterol medications?

Pulasan is unlikely to cause significant interactions with common blood pressure or cholesterol medications, as it contains no known compounds that inhibit or induce major drug metabolic pathways. Its potassium content may be relevant for individuals on ACE inhibitors or potassium-sparing diuretics, so those taking such medications should consult their doctor about consumption amounts. The fruit's natural compounds generally complement conventional medications rather than interfere with them.

### How much fresh pulasan should I eat daily to get health benefits?

Consuming 100-150 grams (approximately 3-5 fresh pulasan fruits) daily provides meaningful amounts of vitamin C, antioxidants, and fiber while remaining within safe intake levels for most adults. This serving size delivers approximately 40% of daily vitamin C requirements and contributes to digestive and immune health without excess sugar intake. Individual needs may vary based on age, health status, and overall diet, so adjusting portions based on personal tolerance is recommended.

## References

Sources: https://www.healthbenefitstimes.com/pulasan/; https://www.fruitsinfo.com/pulasan-tropical-fruit.php; https://www.netmeds.com/health-library/post/pulasan-fruit-health-benefits-nutrition-uses-and-recipes-of-this-lesser-known-tropical-superfruit
Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7222729; https://www.sciencedirect.com/science/article/pii/S0963996921001851; https://pubmed.ncbi.nlm.nih.gov/32054844

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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