# Gubinge (Kakadu Plum)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/gubinge-kakadu-plum
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Fruit
**Also Known As:** Terminalia ferdinandiana, Kakadu plum, Madoor, Gubinge, Billy goat plum

## Overview

Gubinge (Terminalia ferdinandiana) contains the highest natural vitamin C concentrations at up to 21.2% dry weight, alongside ellagic acid and gallic acid that provide potent [antioxidant activity](/ingredients/condition/antioxidant). These compounds neutralize free radicals through hydrogen donation, with ellagic acid showing 99.6% correlation to DPPH scavenging activity and demonstrating apoptosis-inducing effects in cancer cells.

## Health Benefits

- **Provides exceptionally high**: levels of vitamin C, supporting robust immune defense and collagen synthesis.
- **Exhibits potent antioxidant**: activity through vitamin C and ellagic acid, reducing [oxidative stress](/ingredients/condition/antioxidant) and protecting cellular integrity.
- **Contains ellagic and**: gallic acids, which contribute to significant [anti-inflammatory](/ingredients/condition/inflammation) and [antimicrobial](/ingredients/condition/immune-support) effects.
- **Promotes skin health**: and wound healing by stimulating [collagen production](/ingredients/condition/skin-health) and protecting against oxidative damage.
- **Supports detoxification processes,**: traditionally used to aid [liver health](/ingredients/condition/detox).
- **Demonstrates antibacterial and**: antiviral properties, helping to combat infections.

## Mechanism of Action

Vitamin C, ellagic acid, and gallic acid act as primary [antioxidant](/ingredients/condition/antioxidant)s by donating hydrogen atoms or electrons from hydroxyl groups to neutralize DPPH and peroxyl radicals. Ellagic acid induces apoptosis in cancer cells through DNA strand breaks, cell cycle arrest, and suppressed angiogenesis. These compounds also maintain cellular antioxidant systems by regenerating vitamin E and preserving reduced [glutathione](/ingredients/condition/detox) levels.

## Clinical Summary

Current evidence is limited to in vitro studies, with no published human clinical trials available. Laboratory studies demonstrate strong correlations between ellagic acid content and [antioxidant](/ingredients/condition/antioxidant) capacity (r² = 99.6%), with vitamin C showing 99.5% correlation to DPPH scavenging activity. In vitro cancer studies show ellagic acid induces apoptosis and cell cycle arrest in cancer cell lines, though human efficacy remains unestablished. The [antimicrobial](/ingredients/condition/immune-support) activity shows greater effectiveness against Gram-positive bacteria due to their simpler membrane structure.

## Nutritional Profile

- Vitamin C: Up to 100 times higher than oranges, essential for immune and skin function.
- Ellagic Acid and Gallic Acid: Polyphenols with powerful [antioxidant](/ingredients/condition/antioxidant), [antimicrobial](/ingredients/condition/immune-support), and [anti-inflammatory](/ingredients/condition/inflammation) effects.
- Additional Antioxidants: Support systemic health and cellular resilience.
- Minerals: Small amounts of potassium and iron.
- Dietary Fiber: Contributes to [digestive health](/ingredients/condition/gut-health).

## Dosage & Preparation

- Traditional Use: Consumed fresh by Indigenous Australians or dried for long-term storage and medicinal applications.
- Modern Forms: Available as powdered extract, in teas, jams, and natural vitamin C serums.
- Powdered Dosage: Recommended serving size is 1–2 teaspoons of Gubinge powder daily.
- Culinary Use: Incorporate into smoothies, dressings, or detox teas.

## Safety & Drug Interactions

No specific safety concerns, drug interactions, or contraindications have been documented in available research. In vitro cytotoxicity studies on HepG2 liver cells showed Kakadu plum blends exhibited lower toxicity compared to pure powder forms or blueberry extracts. Patent literature suggests compatibility with fat-soluble vitamins like α-tocopherol, though specific interaction data is lacking. Pregnant and nursing women should consult healthcare providers before use due to insufficient safety data in these populations.

## Scientific Research

Multiple studies affirm Gubinge's unmatched vitamin C concentration and potent [antioxidant](/ingredients/condition/antioxidant) capacity. Research also confirms its [anti-inflammatory](/ingredients/condition/inflammation) and [antimicrobial](/ingredients/condition/immune-support) properties, attributed to its rich phenolic content, positioning it as one of the most nutrient-dense fruits globally.

## Historical & Cultural Context

Gubinge has been revered by Indigenous Australians for millennia as a vital food source and traditional medicine, holding deep cultural and spiritual significance. It was historically consumed for nourishment, healing, and as a natural remedy for skin and digestive issues, a practice that continues today.

## Synergistic Combinations

Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Detox & Liver
Primary Pairings: - Turmeric (*Curcuma longa*)
- Camu Camu (*Myrciaria dubia*)
- Ginger (*Zingiber officinale*)
- Maca Root (*Lepidium meyenii*)

## Frequently Asked Questions

### How much vitamin C does Gubinge contain compared to other fruits?

Gubinge contains up to 21.2% vitamin C by dry weight in mature fruit, making it the richest natural source globally. This concentration is approximately 50-100 times higher than oranges or other citrus fruits.

### What makes Gubinge effective as an antioxidant?

Gubinge's antioxidant power comes from three key compounds: vitamin C, ellagic acid, and gallic acid. Ellagic acid shows the strongest correlation to free radical scavenging at 99.6%, followed by vitamin C at 99.5%.

### Can Gubinge help prevent cancer?

In vitro studies show ellagic acid from Gubinge induces cancer cell death through DNA strand breaks and cell cycle arrest. However, no human clinical trials have been conducted to confirm anticancer effects in people.

### Is Gubinge safe to consume daily?

No safety concerns have been reported in available research, and in vitro studies show low cellular toxicity. However, human safety studies are lacking, so consultation with a healthcare provider is recommended for regular use.

### Does fruit maturity affect Gubinge's vitamin C content?

Yes, vitamin C content increases dramatically with maturity, rising from 1.2% dry weight in immature fruit to 21.2% in fully mature fruit. Harvesting timing significantly impacts the nutritional value of Gubinge preparations.

### Does Gubinge interact with blood thinners or anticoagulant medications?

Gubinge is unlikely to significantly interact with blood thinners like warfarin or aspirin due to its vitamin C and polyphenol content, though high-dose vitamin C supplementation may theoretically affect anticoagulant efficacy in sensitive individuals. If you take prescription anticoagulants, consult your healthcare provider before adding Gubinge supplements to ensure safe concurrent use. Most dietary amounts of Gubinge pose minimal interaction risk.

### Is Gubinge safe for pregnant and breastfeeding women?

Gubinge is generally safe during pregnancy and breastfeeding when consumed in food amounts, as it provides beneficial vitamin C and antioxidants that support maternal and fetal health. However, concentrated supplement forms should be discussed with a healthcare provider first, as high-dose supplementation during pregnancy warrants individualized guidance. Most prenatal professionals support whole-fruit consumption over isolated extracts.

### What is the best form of Gubinge supplement for maximum absorption—fresh fruit, powder, or extract?

Fresh or frozen Gubinge fruit provides optimal bioavailability of vitamin C and ellagic acid, as heat and processing can degrade these sensitive compounds. Powdered forms retain more nutrients than heat-processed extracts but may have slightly reduced vitamin C availability depending on drying methods. For maximum antioxidant benefit, whole fruit or freeze-dried powder generally outperforms concentrated extracts that isolate individual compounds.

## References

Sources: https://www.healthline.com/nutrition/kakadu-plum-benefits; https://draxe.com/nutrition/kakadu-plum/; https://www.doctorshealthpress.com/kakadu-plum-benefits-nutrition-facts/
Sources: https://pubmed.ncbi.nlm.nih.gov/30876512; https://doi.org/10.1016/j.jep.2018.12.014; https://www.sciencedirect.com/science/article/pii/S1756464619301188

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