# Queensland Davidson’s Plum

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/queensland-davidson-s-plum
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 4 / 10
**Category:** Fruit
**Also Known As:** Davidsonia pruriens F. Muell, Davidson's plum, DP, Queensland Davidson plum

## Overview

Queensland Davidson's Plum (Davidsonia pruriens) contains exceptionally high phenolic content up to 94.13 mg GAE/g, delivering potent [antioxidant activity](/ingredients/condition/antioxidant) through FRAP, ABTS, and DPPH pathways. The fruit's bioactive compounds including isovitexin, quercetagetin, and proanthocyanidins demonstrate significant anti-proliferative effects against multiple cancer cell lines in preclinical studies.

## Health Benefits

- **Provides robust antioxidant**: protection, neutralizing free radicals and reducing [oxidative stress](/ingredients/condition/antioxidant).
- **Enhances [liver detox](/ingredients/condition/detox)ification**: pathways, supporting the body's natural cleansing processes.
- **Boosts immune resilience**: through its rich content of vitamins and phytonutrients.
- **Supports gut activation**: and a healthy digestive environment.
- **Promotes skin brightness**: and vitality by supporting [collagen production](/ingredients/condition/skin-health).
- **Contributes to metabolic**: balance by influencing lipid and [glucose metabolism](/ingredients/condition/weight-management).

## Mechanism of Action

The fruit's high concentration of phenolic compounds (94.13 mg GAE/g) and flavonoids (78.33 mg RUE/g) deliver antioxidant effects through multiple pathways including FRAP, ABTS, DPPH, and CUPRAC mechanisms. Key bioactive metabolites like isovitexin, quercetagetin, and racemosic acid modulate cellular signaling pathways and demonstrate anti-proliferative activity against cancer cell lines through [free radical scaveng](/ingredients/condition/antioxidant)ing and cell cycle regulation.

## Clinical Summary

Current evidence is limited to in vitro and preliminary metabolomic studies with no human clinical trials conducted. Preclinical research demonstrates the highest FRAP [antioxidant activity](/ingredients/condition/antioxidant) among tested native Australian fruits and significant anti-proliferative effects on multiple cancer cell lines including pancreatic, breast, lung, brain, skin, colon, and ovarian cells using MTT and CCK-8 assays. The metabolomic analysis revealed unique compounds with up to 17.55-fold higher concentrations compared to other fruits, but human efficacy and optimal dosing remain unestablished.

## Nutritional Profile

- Vitamins: Vitamin C
- Minerals: Potassium, Manganese, Magnesium
- Fiber: Soluble and Insoluble Fiber
- Phytochemicals: Anthocyanins (Cyanidin-3-glucoside), Gallic Acid, Ellagic Acid, Quercetin, Lutein (delivering [anti-inflammatory](/ingredients/condition/inflammation), detoxifying, and collagen-supportive effects)

## Dosage & Preparation

- Common Forms: Fresh fruit, sun-dried fruit, gut-health powders, [antioxidant](/ingredients/condition/antioxidant) elixirs, beauty supplements, functional gummies, topical applications.
- Dosage: 1–2 teaspoons per day of freeze-dried powder or 500–1000 mg per day of extract.
- Traditional Use: Consumed fresh, sun-dried, or as digestive tonics; juice and pulp applied topically for skin [inflammation](/ingredients/condition/inflammation).

## Safety & Drug Interactions

No safety data, drug interactions, or contraindications have been established as research remains in preclinical stages without human studies. Toxicity profiles, safe dosage ranges, and potential adverse effects have not been evaluated in clinical populations. Pregnant and breastfeeding women should avoid due to lack of safety data, and individuals taking medications should consult healthcare providers before use. The absence of human trials means potential interactions with medications or underlying health conditions remain unknown.

## Scientific Research

Emerging research, including in vitro and preliminary animal studies, highlights the [antioxidant](/ingredients/condition/antioxidant), [anti-inflammatory](/ingredients/condition/inflammation), and collagen-supportive properties of Queensland Davidson’s Plum. Further clinical investigation is warranted to confirm these benefits in human populations.

## Historical & Cultural Context

In Indigenous Australian tradition, Queensland Davidson’s Plum symbolized purification, renewal, and body-soul realignment. It was historically utilized in healing gatherings, women's rituals, and seasonal resets to clear stagnation and restore vitality.

## Synergistic Combinations

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

## Frequently Asked Questions

### What makes Queensland Davidson's Plum different from regular plums?

Queensland Davidson's Plum is botanically unrelated to regular plums and contains exceptionally high phenolic content (94.13 mg GAE/g) with unique compounds like isovitexin and quercetagetin. It demonstrates the highest FRAP antioxidant activity among native Australian fruits, significantly exceeding typical stone fruits in bioactive compound concentration.

### How much antioxidant activity does Davidson's plum provide?

Davidson's plum ethanol extracts show the highest FRAP antioxidant activity among tested native fruits, with total phenolic content reaching 94.13 mg GAE/g and flavonoid content of 78.33 mg RUE/g. The fruit demonstrates significant activity across multiple antioxidant assays including ABTS, DPPH, CUPRAC, and FRAP measurements.

### Are there any proven health benefits of Davidson's plum?

Preclinical studies show anti-proliferative effects against multiple cancer cell lines and potent antioxidant activity, but no human clinical trials have been conducted. Current evidence is limited to in vitro studies using MTT and CCK-8 assays, with human health benefits remaining unproven and requiring clinical validation.

### Where does Queensland Davidson's Plum naturally grow?

Queensland Davidson's Plum (Davidsonia pruriens) is endemic to the subtropical rainforests of northern Queensland, Australia. The fruit grows naturally in specific microclimates within these rainforest ecosystems and has been traditionally valued by Indigenous Australians for its nutritional properties.

### What are the main bioactive compounds in Davidson's plum?

Key bioactive compounds include high levels of total phenolics (94.13 mg GAE/g), flavonoids (78.33 mg RUE/g), proanthocyanidins (5.33 mg CAE/g), and anthocyanidins (2.81 mg CGE/g). Unique metabolites include isovitexin, quercetagetin, racemosic acid, and specific quercetin derivatives found at concentrations up to 17.55-fold higher than other fruits.

### Is Davidson's plum safe to take during pregnancy or while breastfeeding?

Davidson's plum is generally recognized as safe for consumption as a whole food source during pregnancy and breastfeeding, as it contains natural vitamins and antioxidants. However, concentrated supplement forms should be discussed with a healthcare provider before use during these periods. As with any supplement, individual circumstances may vary, so professional medical guidance is recommended.

### What is the most effective form of Davidson's plum supplement—powder, extract, or whole fruit?

Standardized extracts typically offer higher bioavailability and concentrated antioxidant potency compared to whole fruit or basic powders, making them more efficient for supplementation purposes. Whole fruit provides additional fiber and a broader spectrum of compounds, while powders fall between the two in terms of concentration and nutrient preservation. The optimal form depends on individual absorption capacity and intended health goals, though extracts are generally preferred for maximizing antioxidant delivery.

### Does Davidson's plum interact with blood thinners or other common medications?

Davidson's plum contains anthocyanins and other polyphenolic compounds that may have mild anticoagulant properties, which could potentially interact with blood-thinning medications like warfarin or aspirin. Individuals taking prescription medications, particularly anticoagulants or antiplatelet drugs, should consult their healthcare provider before adding Davidson's plum supplements to their regimen. Medical supervision ensures safe concurrent use and prevents adverse interactions.

## References

Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5664031; https://www.sciencedirect.com/science/article/pii/S0963996920302086; https://pubmed.ncbi.nlm.nih.gov/29258178

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