# Prunus africana

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/prunus-africana
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** African
**Also Known As:** Pygeum africanum, African cherry, African plum, Red stinkwood, Pygeum, Iron wood, Bitter almond, African prune

## Overview

Prunus africana (African cherry bark) contains beta-sitosterol, ferulic acid, and triterpenes that may inhibit 5-alpha-reductase enzyme activity. These compounds demonstrate [anti-inflammatory](/ingredients/condition/inflammation) effects on prostate tissue in laboratory studies.

## Health Benefits

• May support prostate health through anti-BPH effects (demonstrated only in rodent models, no human trials)
• Potential anticancer properties via apoptosis induction in prostate cancer cell lines (in vitro evidence only)
• Traditional use for wound healing and diabetes management (ethnomedicinal reports, no clinical validation)
• [Antimicrobial](/ingredients/condition/immune-support) and antiviral effects from tannins and terpenoids (preclinical evidence)
• [Anti-inflammatory](/ingredients/condition/inflammation) activity through phenolic compounds like ferulic acid (in vitro studies only)

## Mechanism of Action

Prunus africana's beta-sitosterol and triterpenes inhibit 5-alpha-reductase type II, reducing dihydro[testosterone](/ingredients/condition/hormonal) (DHT) production in prostate tissue. Ferulic acid and other phenolic compounds suppress [inflammatory](/ingredients/condition/inflammation) cytokines IL-1β and TNF-α while promoting apoptosis in abnormal prostate cells through caspase-3 activation.

## Clinical Summary

Current evidence for Prunus africana consists primarily of in vitro cell culture studies and rodent models showing prostate-protective effects. No randomized controlled human trials have been conducted to validate anti-BPH benefits. Laboratory studies demonstrate 40-60% reduction in prostate cell proliferation markers, but human efficacy and optimal dosing remain unestablished.

## Nutritional Profile

Prunus africana (African cherry / Pygeum) is utilized primarily for its bark extract rather than as a food source, so a conventional macronutrient profile (calories, carbohydrates, protein, fat per 100 g of edible fruit/seed) is not well-characterized in standard food-composition databases. The plant's value is overwhelmingly phytochemical/medicinal. Key bioactive compounds identified in the stem bark include: **Phytosterols** – β-sitosterol (up to ~14–18% of lipophilic bark extract), β-sitostenone, and campesterol, which are implicated in [anti-inflammatory](/ingredients/condition/inflammation) and anti-androgenic activity relevant to benign prostatic hyperplasia (BPH); **Pentacyclic triterpenes** – ursolic acid (~2–6% of dried bark), oleanolic acid (~1–3%), and crataegolic acid, which contribute to anti-inflammatory and pro-apoptotic effects; **Ferulic acid esters** – n-docosanol and n-tetracosanol esters of ferulic acid (collectively ~0.5–1.5% of lipophilic extract), considered key anti-prolactin and cholesterol-lowering constituents; **Tannins** – proanthocyanidins and hydrolyzable tannins (approximately 10–15% of aqueous bark extract), responsible for astringent, [antimicrobial](/ingredients/condition/immune-support), and [antioxidant activity](/ingredients/condition/antioxidant); **Long-chain fatty acids** – lauric, myristic, palmitic, and oleic acids present in the lipid-soluble fraction; **Phytol and related diterpenes** – minor amounts contributing to antioxidant capacity. **Minerals** (reported from bark ash analyses): calcium (~1,200–1,800 mg/100 g dry bark), potassium (~800–1,400 mg/100 g), magnesium (~300–500 mg/100 g), iron (~15–40 mg/100 g), zinc (~3–8 mg/100 g), and manganese (~5–15 mg/100 g), though these figures reflect bark tissue and are not directly translatable to bioavailable dietary intake. **Vitamins** are not present in pharmacologically significant amounts in the bark. **Fiber**: bark material is predominantly lignocellulosic (~40–55% crude fiber), but this is not consumed as dietary fiber in practice. **Bioavailability notes**: Standardized lipophilic bark extracts (typically standardized to ≥13% total sterols, as in the commercial product Tadenan®/Pygeum extract dosed at 50–100 mg twice daily) show moderate oral bioavailability of β-sitosterol (~5–10% absorption in humans, comparable to plant sterols from other sources). Ferulic acid esters require hydrolysis for absorption; their bioavailability is enhanced in lipid-based extract formulations. Tannins may reduce absorption of co-ingested minerals and proteins. Ursolic acid has low aqueous solubility and limited oral bioavailability (~6–8%), though nanoformulations are being explored to improve this. Overall, Prunus africana is not a nutritional food source but a phytopharmaceutical; its value lies in its concentrated bioactive terpenoid, sterol, and phenolic compound profile rather than macro- or micronutrient content.

## Dosage & Preparation

No clinically studied dosage ranges for Prunus africana extracts, powders, or standardized forms are available as human trials are absent. Commercial pygeum products derived from P. africana bark exist but lack standardization details or human-equivalent dosing data. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Prunus africana appears generally well-tolerated based on traditional use patterns, though formal safety studies are lacking. Potential interactions with hormone-affecting medications and 5-alpha-reductase inhibitors like finasteride are theoretically possible. Safety during pregnancy and lactation is unknown due to insufficient data. Individuals with hormone-sensitive conditions should consult healthcare providers before use.

## Scientific Research

Clinical evidence for Prunus africana is notably limited, with no key human RCTs or meta-analyses identified. The only human study found (PMID: 7008706) from 1981 administered P. africana with benzidamine to 37 patients with prostatic disorders, but lacks details on design, controls, or quantified outcomes. Current evidence relies primarily on in vitro studies showing apoptosis in PC-3 and LNCaP prostate cancer cells and rodent models demonstrating anti-BPH effects.

## Historical & Cultural Context

Prunus africana (African cherry or Pygeum africanum) has been used for generations in African traditional medicine systems across sub-Saharan ethnic communities to treat prostate conditions, wounds, diabetes, malaria, and chest pain. Historical use spans centuries in ethnomedicinal practices, with bark preparations applied topically or orally.

## Synergistic Combinations

Saw palmetto, beta-sitosterol, stinging nettle root, zinc, selenium

## Frequently Asked Questions

### What compounds in Prunus africana affect prostate health?

Beta-sitosterol, ferulic acid, and triterpenes are the primary bioactive compounds. Beta-sitosterol inhibits 5-alpha-reductase enzyme activity, while ferulic acid provides anti-inflammatory effects on prostate tissue.

### Is Prunus africana proven effective for BPH in humans?

No human clinical trials have been conducted on Prunus africana for BPH. Current evidence comes only from laboratory cell studies and animal models showing anti-proliferative effects on prostate tissue.

### What is the typical Prunus africana dosage for prostate support?

No standardized human dosage exists due to lack of clinical trials. Traditional preparations vary widely in concentration and extraction methods, making dosing recommendations currently impossible to establish.

### Can Prunus africana interact with prostate medications?

Theoretical interactions may occur with 5-alpha-reductase inhibitors like finasteride or dutasteride due to similar mechanisms. Hormone-affecting medications could also potentially interact, though specific interactions haven't been studied.

### How does Prunus africana compare to saw palmetto for prostate health?

Unlike saw palmetto which has some human clinical data, Prunus africana lacks human trial evidence. Both contain beta-sitosterol and target 5-alpha-reductase, but saw palmetto has more established research supporting its use for mild BPH symptoms.

### What is the current evidence quality for Prunus africana's use beyond prostate health?

While Prunus africana has traditional uses for wound healing and diabetes management in African ethnomedicine, these applications lack rigorous clinical trials in humans. Most supporting evidence comes from in vitro studies or animal models, meaning safety and efficacy in real-world use remain unestablished. More controlled research is needed before these traditional uses can be considered clinically validated.

### Is Prunus africana safe to use long-term?

Long-term safety data for Prunus africana supplementation in humans is limited, as most evidence comes from short-term animal studies and in vitro research. While traditional use in African medicine suggests a history of consumption, the absence of comprehensive human safety trials means potential cumulative effects or delayed adverse reactions are not well-documented. Consult a healthcare provider before initiating long-term supplementation.

### What are the main active compounds in Prunus africana and how do they work?

Prunus africana bark contains phytosterols, tannins, and terpenoids that may exert antimicrobial, antiviral, and anti-inflammatory effects. In animal models, these compounds appear to inhibit 5-alpha reductase and reduce prostate inflammation, though the exact mechanisms in humans remain unclear. The tannin content also contributes to potential astringent and wound-healing properties reported in traditional use.

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