Fruit

Umeboshi Plum

Provisional Strong ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Umeboshi plum (Prunus mume) contains citric acid, polyphenols, and mumefural that modulate cellular pathways including EGF receptor transactivation and ERK signaling for cardiovascular and anti-inflammatory effects. The fermented fruit demonstrates antimicrobial activity against S. aureus and E. coli through proanthocyanidin-mediated cell membrane disruption.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryFruit

GroupFruit

Public Score StatusProvisional Strong

Primary Keywordwhat is Umeboshi Plum

Umeboshi Plum — botanical close-up

Reported Benefits (Provisional)

Supports digestive health by promoting healthy gut flora and aiding enzyme activity through its organic acids.

Enhances liver detoxification processes, assisting in the elimination of metabolic waste.

Boosts immune resilience by modulating immune responses and providing antioxidant protection.

Contributes to cardiovascular health by supporting healthy blood pressure and circulation.

Aids in metabolic balance by helping to regulate blood sugar levels

Promotes cellular resilience through its rich content of polyphenols and flavonoids, combating oxidative stress.

Origin & History

Natural habitat

Umeboshi Plum (Prunus mume) is a traditional fermented fruit originating from Japan, with a long history of cultivation and use across China and Korea. It thrives in temperate climates. This highly prized plum is revered in functional nutrition for its potent digestive, detoxifying, and immune-supporting properties.

“In Japanese medicine, Umeboshi Plum is revered as a longevity food, traditionally pickled with sea salt and shiso leaves. It has been consumed in teas or with rice for centuries to ease digestion, strengthen immunity, and restore pH balance, symbolizing detoxification and gut health.”Traditional Medicine

Research Narrative (Provisional)

Scientific studies investigate the gastrointestinal, hepatoprotective, and immunomodulatory effects of Umeboshi Plum. Research highlights its role in supporting digestive health, liver detoxification, and cardiovascular resilience, validating its traditional applications.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Vitamins: Vitamin C - Minerals: Potassium, Calcium, Magnesium - Phytochemicals/Bioactives: Citric Acid, Malic Acid, Polyphenols, Flavonoids, Dietary Fiber, Probiotic-Friendly Compounds

Reported Mechanism (Provisional)

Mechanism of Action

Umeboshi's bainiku-ekisu extract inhibits H2O2-induced and AngII-induced EGF receptor transactivation while partially suppressing downstream ERK activation, reducing vascular protein synthesis. Five anti-allergic compounds (vanillic acid, syringic acid, p-hydroxybenzoic acid, coumaric acid, and lycopersiconolide) nearly completely block intracellular Ca2+ mobilization and IgE-mediated mast cell degranulation. Proanthocyanidins damage bacterial cell walls at MIC concentrations of 1.563 mg/mL for S. aureus and 3.125 mg/mL for E. coli.

Clinical Narrative (Provisional)

Current evidence for umeboshi plum derives primarily from in vitro and in vivo studies rather than human clinical trials. Laboratory studies demonstrate specific molecular mechanisms including complete inhibition of AngII-induced EGF receptor activation and mast cell degranulation suppression. Limited epidemiological data suggests reduced allergic symptom risk in women consuming ume, but quantified clinical trial outcomes are not available. The evidence base requires human intervention studies to validate therapeutic applications and establish effective dosing protocols.

Also Known As

Prunus mumeJapanese apricotUmeBainiku-ekisuJapanese plum

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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