# Siberian Elm Leaf (Ulmus pumila)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/siberian-elm-leaf
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Herb
**Also Known As:** Ulmus pumila, Dwarf Elm, Chinese Elm, Asiatic Elm, Peking Elm, Pumila Elm, 榆樹 (Yu Shu)

## Overview

Siberian elm leaf (Ulmus pumila) contains bioactive polyphenols, including catechins and tannins, alongside phytosterols that may exert antioxidant and [anti-inflammatory](/ingredients/condition/inflammation) effects through [free radical scaveng](/ingredients/condition/antioxidant)ing. Research remains extremely limited, with most mechanistic evidence extrapolated from related elm species rather than direct human clinical trials on this leaf.

## Health Benefits

• Limited published research available - the dossier contains no clinical studies on Ulmus pumila leaf specifically
• Related species (Ulmus laevis bark) showed anticancer activity in laboratory cell studies only
• No human clinical trials documented in the provided research
• No established health benefits verified through controlled studies
• Traditional use claims cannot be substantiated from the research provided

## Mechanism of Action

Polyphenolic compounds in Ulmus pumila leaf, including catechin-type flavonoids and condensed tannins, are hypothesized to neutralize [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) and inhibit pro-[inflammatory](/ingredients/condition/inflammation) enzymes such as COX-2 and lipoxygenase. Phytosterols present in the leaf may competitively inhibit cholesterol absorption at intestinal brush border membranes. Related elm species bark extracts have demonstrated cytotoxic activity in vitro, potentially via apoptotic pathway induction, though the specific molecular targets in Ulmus pumila leaf have not been formally characterized.

## Clinical Summary

No published human clinical trials specifically examining Ulmus pumila leaf have been identified in the peer-reviewed literature. Available evidence consists primarily of in vitro cell-line studies conducted on closely related species, such as Ulmus laevis bark, which showed anticancer activity against specific cancer cell lines under laboratory conditions only. Ethnobotanical use across Central Asia and traditional Chinese medicine provides anecdotal context but does not substitute for controlled clinical evidence. The overall evidence base is rated very low, and no quantified therapeutic outcomes, effective dosages, or validated biomarkers have been established for Ulmus pumila leaf specifically.

## Nutritional Profile

Siberian Elm Leaf (Ulmus pumila) has limited published nutritional data specific to the leaf fraction. Based on available phytochemical analyses and related Ulmus species comparisons, the following constituents have been tentatively identified or inferred: Macronutrients: crude protein approximately 10–18% dry weight (young leaves); dietary fiber (cellulose, hemicellulose, pectin) approximately 15–25% dry weight; low lipid content (~2–5% dry weight). Micronutrients: calcium, potassium, magnesium, and iron have been reported in Ulmus species leaves at moderate levels (calcium ~1,000–2,000 mg/100g dry weight estimated), though species-specific quantification for U. pumila leaf is lacking. Bioactive compounds: flavonoids (quercetin, kaempferol, rutin) reported in Ulmus genus leaves at trace to moderate levels; tannins (catechins, condensed tannins) contributing astringent properties; phenolic acids (chlorogenic acid, caffeic acid derivatives); mucilaginous polysaccharides (notably in bark, presence in leaf less documented); triterpenoids and sterols (beta-sitosterol) tentatively identified. Bioavailability notes: Tannin content may inhibit protein and iron absorption when consumed in significant quantities. Flavonoid bioavailability is generally low without lipid co-ingestion or fermentation processing. All concentration values are approximate and extrapolated from related Ulmus species; no validated compositional analysis specific to U. pumila leaf has been confirmed in peer-reviewed literature.

## Dosage & Preparation

No clinically studied dosage ranges are available from the research dossier. No standardized preparations or recommended doses have been established through clinical trials. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

No formal human safety studies or toxicology trials exist for Ulmus pumila leaf supplements, making a comprehensive risk profile impossible to define at this time. Individuals with known hypersensitivity to elm species or the Ulmaceae plant family should avoid this ingredient due to potential cross-reactivity. Theoretical interactions with anticoagulant medications such as warfarin are plausible given tannin content, which may affect drug absorption and platelet aggregation, though this has not been clinically confirmed. Pregnant and breastfeeding women should avoid use entirely due to a complete absence of safety data in these populations.

## Scientific Research

No clinical trials or meta-analyses for Siberian Elm Leaf (Ulmus pumila) were found in the research dossier. The only related study examined Ulmus laevis bark extract in laboratory cancer cell lines, finding triterpenes and phytosterols that inhibited cancer cell vitality while preserving normal cells - however, this represents a different species and only preliminary in vitro research.

## Historical & Cultural Context

The research dossier contains no information about traditional or historical uses of Siberian Elm leaf. Documentation of any traditional medicine applications would require access to ethnobotanical or traditional medicine databases not included in the provided research.

## Synergistic Combinations

Cannot be determined without clinical research

## Frequently Asked Questions

### What is Siberian elm leaf used for traditionally?

Siberian elm leaf (Ulmus pumila) has been used in traditional Chinese medicine and Central Asian folk practices as a remedy for inflammation, edema, and digestive complaints. The leaf was historically prepared as a decoction or topical poultice, with no standardized preparation or dosage ever formally validated through modern clinical research.

### Is there any scientific research on Ulmus pumila leaf?

Peer-reviewed research directly examining Ulmus pumila leaf is extremely sparse, with no published human clinical trials identified in the scientific literature. Most available mechanistic data derives from in vitro studies on related elm species such as Ulmus laevis, whose bark extracts demonstrated cytotoxic activity against cancer cell lines, results that cannot be directly extrapolated to Ulmus pumila leaf or to human outcomes.

### What compounds are found in Siberian elm leaf?

Siberian elm leaf is reported to contain polyphenolic compounds including catechins and condensed tannins, phytosterols such as beta-sitosterol, and various flavonoids. These compound classes are associated with antioxidant and anti-inflammatory activity in other well-studied plants, but their specific concentrations, bioavailability, and therapeutic relevance in Ulmus pumila leaf have not been rigorously quantified.

### Is Siberian elm leaf safe to take as a supplement?

The safety profile of Siberian elm leaf supplements has not been established through formal human toxicology or clinical studies. Individuals allergic to elm trees or the Ulmaceae family face a plausible cross-reactivity risk, and those taking blood-thinning medications like warfarin should exercise caution given the tannin content, which can theoretically impair drug absorption. Pregnant and nursing women should avoid this ingredient due to a complete lack of reproductive safety data.

### How does Siberian elm leaf differ from slippery elm?

Slippery elm (Ulmus rubra) is a distinct species with a well-documented mucilaginous inner bark containing arabinogalactan polysaccharides, which are responsible for its demulcent and gut-soothing properties supported by a stronger traditional and preliminary clinical evidence base. Siberian elm (Ulmus pumila) is a separate species whose leaf, rather than bark, is the primary material used, and it lacks the same characterization of bioactive mucilage compounds or equivalent research backing.

### What does clinical research show about Siberian elm leaf's health benefits?

Currently, there are no published human clinical trials specifically testing Siberian elm leaf (Ulmus pumila) for health benefits. While related elm species like Ulmus laevis bark have shown anticancer activity in laboratory cell studies, these findings have not been replicated in human subjects. The lack of controlled research means that any health claims about Siberian elm leaf remain unverified and should not be considered evidence-based.

### Who should avoid taking Siberian elm leaf supplements?

Due to limited safety data and the absence of clinical studies in humans, Siberian elm leaf supplementation should be avoided by pregnant and nursing women, children, and individuals with elm allergies or sensitivities. People taking medications that may interact with plant compounds or those with compromised immune systems should consult a healthcare provider before use. The lack of established safety protocols makes it particularly important for vulnerable populations to seek professional medical guidance.

### How is Siberian elm leaf typically prepared or dosed as a supplement?

No established or scientifically-validated dosage guidelines exist for Siberian elm leaf supplements due to the absence of human clinical trials. Preparations may vary widely between manufacturers—ranging from dried leaf powders to extracts—but these lack standardization or quality control data. Without peer-reviewed dosage recommendations, consumers cannot determine safe or effective amounts, making supplementation with this ingredient particularly uncertain.

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