# Damson (Prunus domestica subsp. insititia)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/damson
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-31
**Evidence Score:** 2 / 10
**Category:** Fruit
**Also Known As:** Damson plum, Insititia plum, Bullace damson, European damson, Damask plum, Damascus plum, Prunus insititia, Heritage damson

## Overview

Damson (Prunus domestica subsp. insititia) is a small, tart stone fruit rich in polyphenols including anthocyanins and chlorogenic acid, which exert antioxidant effects by scavenging [reactive oxygen species](/ingredients/condition/antioxidant) and chelating pro-oxidant metal ions. Its organic acid profile — including malic, quinic, citric, and fumaric acids — contributes to metabolic and digestive activity at the cellular level.

## Health Benefits

• [Antioxidant activity](/ingredients/condition/antioxidant): In vitro studies show elevated antioxidant levels in damson varieties like 'Timočanka', 'Crvena Ranka', and 'Durancie' (preliminary evidence only)
• Natural source of organic acids: Contains malic, quinic, citric, and fumaric acids from fruit and seed components (compositional data only)
• Traditional fever reduction: Root and branch bark used as febrifuge in European folk medicine (traditional use only)
• Digestive support: Flower infusion traditionally used as mild purgative for children (traditional use only)
• Nutrient density: USDA-classified nutrient-dense food containing sucrose, fructose, and glucose (compositional data only)

## Mechanism of Action

Damson's anthocyanins, particularly cyanidin-3-glucoside and peonidin derivatives, neutralize [reactive oxygen species](/ingredients/condition/antioxidant) by donating hydrogen atoms and chelating transition metals such as iron(II) and copper(II), reducing oxidative chain reactions. Chlorogenic acid inhibits glucose-6-phosphatase activity, potentially modulating postprandial [glucose metabolism](/ingredients/condition/weight-management), while quinic acid serves as a precursor to hippuric acid via gut microbial metabolism, influencing systemic antioxidant capacity. The organic acids — malic and citric acid — participate in the tricarboxylic acid (TCA) cycle intermediates, supporting mitochondrial [energy metabolism](/ingredients/condition/energy) at the cellular level.

## Clinical Summary

Current evidence for damson's health benefits is largely limited to in vitro and compositional studies, with no large-scale randomized controlled trials specifically isolating damson. In vitro analyses of cultivars such as 'Timočanka', 'Crvena Ranka', and 'Durancie' demonstrate measurable DPPH radical scavenging activity and elevated total polyphenol content compared to common plum varieties, though these findings have not been confirmed in human trials. Broader research on Prunus domestica as a species suggests modest benefits for bone density and digestive regularity in small clinical studies (n=30–58), but extrapolation to damson specifically requires caution. The overall evidence base remains preliminary, and robust clinical data on dosing, bioavailability, and therapeutic outcomes for damson are currently lacking.

## Nutritional Profile

Damson plums (Prunus domestica subsp. insititia) per 100g fresh fruit (approximate values based on available compositional data for closely related plum subspecies and damson-specific analyses): Calories: ~55–65 kcal; Carbohydrates: ~13–15g (predominantly fructose ~3–4g, glucose ~3–4g, sucrose ~2–3g, sorbitol ~1–2g); Dietary fiber: ~1.5–2.5g (mix of soluble pectin and insoluble cellulose/hemicellulose); Protein: ~0.5–0.8g; Fat: ~0.2–0.3g (seed kernel oil contains oleic and linoleic acids as primary fatty acids). Key micronutrients: Vitamin C: ~5–10mg (moderate, bioavailability reduced by organic acid matrix interactions); Vitamin K1: ~6–8µg; Potassium: ~150–200mg; Copper: ~0.05–0.10mg; Manganese: ~0.05mg; Magnesium: ~7–10mg; Phosphorus: ~15–20mg; Calcium: ~12–15mg; Iron: ~0.2–0.4mg (non-heme, low bioavailability without co-ingested vitamin C). Bioactive compounds: Anthocyanins: ~50–200mg/100g fresh weight (primarily cyanidin-3-glucoside and cyanidin-3-rutinoside in the dark skin; damson varieties 'Timočanka' and 'Crvena Ranka' show higher concentrations toward upper range); Chlorogenic acid: ~50–150mg/100g (predominant phenolic acid; moderate bioavailability, partially metabolized by gut microbiota to caffeic acid); Neochlorogenic acid: ~20–80mg/100g; Quercetin glycosides: ~2–8mg/100g; Rutin: trace to ~5mg/100g; Epicatechin: ~2–5mg/100g; Total polyphenols: ~200–500mg GAE/100g fresh weight (skin significantly richer than pulp, approximately 3–5x higher concentration). Organic acids: Malic acid: ~2–5g/100g (dominant acid); Quinic acid: ~0.3–1.0g/100g; Citric acid: ~0.1–0.5g/100g; Fumaric acid: ~trace to 0.05g/100g (detected primarily in seed components). Sorbitol content (~1–2g/100g) may influence glycemic response and digestive tolerance in sensitive individuals. Fiber pectin fraction supports moderate [prebiotic](/ingredients/condition/gut-health) activity. Fat-soluble compounds including vitamin K have enhanced bioavailability when consumed with dietary fat. Anthocyanin bioavailability is estimated at 1–5% of ingested dose based on plum/berry data, with colonic microbial metabolites (protocatechuic acid, hippuric acid) likely contributing to systemic effects. Data gaps exist for selenium, zinc, and B-vitamin content specific to damson subspecies; values inferred from Prunus domestica databases should be applied cautiously.

## Dosage & Preparation

No clinically studied dosage ranges exist for damson in any form. Traditional uses involve consuming the fruit raw or cooked without quantified doses. Seeds should be consumed in strict moderation due to amygdalin content which converts to cyanide. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Damson consumed as a whole fruit is generally recognized as safe for most adults, with no established toxic threshold reported in the literature. The seeds (pits) contain amygdalin, a cyanogenic glycoside that can release hydrogen cyanide upon [metabolism](/ingredients/condition/weight-management), so seed ingestion should be strictly avoided. Individuals taking anticoagulant medications such as warfarin should exercise caution, as the vitamin K content in stone fruits can interfere with INR stability. Pregnant and breastfeeding women may safely consume damson as a food, but concentrated damson extracts or supplements lack sufficient safety data for these populations and should be avoided without medical guidance.

## Scientific Research

No human clinical trials, randomized controlled trials (RCTs), or meta-analyses specific to damson (Prunus domestica subsp. insititia) were identified in the available sources. Research is limited to in vitro studies on phenotypic diversity, nutrient composition, and [antioxidant activity](/ingredients/condition/antioxidant) in fruit cultivars.

## Historical & Cultural Context

In European traditional medicine, damson root and branch bark served as febrifuge and styptic agents, while flower infusions acted as mild purgatives for children. The fruits have been consumed raw, cooked, or dried for centuries, with cultivation dating back to derivations from bullace plums in Western European folk practices.

## Synergistic Combinations

Other anthocyanin-rich fruits, vitamin C, quercetin, elderberry, bilberry

## Frequently Asked Questions

### What antioxidants are found in damson plums?

Damson plums contain anthocyanins (primarily cyanidin and peonidin glycosides), chlorogenic acid, neochlorogenic acid, and flavonols such as rutin and quercetin derivatives. These polyphenols contribute to the fruit's high DPPH radical scavenging capacity observed in cultivar studies, with total polyphenol content varying significantly by variety — 'Timočanka' and 'Durancie' showing notably elevated levels among tested cultivars.

### Are damson plums the same as regular plums?

No — damson (Prunus domestica subsp. insititia) is a distinct subspecies from common European plum (Prunus domestica), typically smaller, more tart, and with a higher ratio of skin to flesh, resulting in a denser polyphenol and organic acid concentration per gram. Damsons also have a firmer flesh, freestone pit, and a characteristically astringent flavor attributed to higher tannin content, distinguishing them both botanically and nutritionally from standard dessert plums.

### What organic acids are in damson plums and what do they do?

Damson fruit contains malic acid, citric acid, quinic acid, and fumaric acid, with additional organic acids identified in seed components. Malic and citric acids are direct intermediates or modulators of the TCA cycle and contribute to the fruit's sour flavor, while quinic acid is metabolized by gut flora into hippuric acid, which has demonstrated antioxidant and mild antimicrobial properties in human urine studies. Fumaric acid plays a role in cellular energy metabolism as a TCA cycle intermediate.

### Is there a recommended dose of damson extract or supplement?

No clinically validated dosage has been established for damson extract or damson-specific supplements, as no human dose-finding trials have been published to date. Research on related Prunus domestica preparations (such as prune extract) typically uses doses of 50–100g of dried fruit daily for digestive outcomes, but these findings cannot be directly applied to damson without dedicated pharmacokinetic studies. Anyone considering a damson supplement should consult a healthcare provider, as standardized extracts lack regulatory approval or confirmed therapeutic dosing guidelines.

### Do damson plum seeds contain cyanide?

Yes — damson seeds contain amygdalin, a cyanogenic glycoside that is hydrolyzed by intestinal beta-glucosidase enzymes to release hydrogen cyanide (HCN). Accidental ingestion of one or two intact pits poses minimal risk due to limited amygdalin release from whole seeds, but crushing or chewing multiple pits substantially increases HCN exposure and should be avoided. The flesh of the fruit contains no amygdalin and is entirely safe to eat in normal dietary quantities.

### What is the difference between damson plum extract and whole damson fruit for supplementation?

Damson plum extract concentrates the bioactive compounds, particularly organic acids and polyphenols, into a smaller dose form, while whole fruit provides fiber and additional nutrients alongside these compounds. Extract forms may offer faster absorption of antioxidants, but whole fruit provides the synergistic benefit of the complete food matrix. The choice depends on whether you prioritize convenience and potency or a whole-food approach with additional dietary fiber.

### Is damson plum safe to use during pregnancy and breastfeeding?

While damson plums are a common food consumed during pregnancy in many cultures, damson supplements or concentrated extracts have not been formally studied for safety in pregnant or breastfeeding women. The seeds contain trace compounds that warrant caution in concentrated supplement form during these sensitive periods. Consult a healthcare provider before using damson supplements if pregnant or nursing, though whole damson fruit consumed as food is generally considered safe.

### How does the evidence for damson plums' antioxidant benefits compare to clinical evidence?

Current evidence for damson antioxidant activity comes primarily from in vitro laboratory studies on specific varieties like 'Timočanka' and 'Crvena Ranka,' which show elevated antioxidant levels but do not yet demonstrate clinical effectiveness in humans. Rigorous clinical trials comparing damson supplementation to placebo in human subjects are limited, meaning the real-world health impact remains preliminary. More human studies are needed to establish whether in vitro antioxidant activity translates to measurable health benefits.

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