Winged Sumac
Rhus Copallinum

Medicinal Facts
Winged Sumac (Rhus copallinum) is rich in flavonoids and tannins, with gallic acid and methyl gallate being prominent active compounds. It sits at the intersection of traditional Native American medicine, where it is used for its astringent and anti-inflammatory properties, and modern phytochemical research exploring its antioxidant and antimicrobial potential. The plant's unique combination of phenolic compounds and essential oils makes it a candidate for studies on inflammation modulation and microbial resistance.
What it helps with
Inflammation
Methyl gallate and gallic acid in Winged Sumac inhibit the NF-kB pathway, reducing the expression of pro-inflammatory cytokines such as TNF-a and IL-6. This action has been demonstrated in vitro and animal models, supporting traditional uses for inflammatory conditions.
Antimicrobial activity
The tannins and flavonoids, particularly quercetin, disrupt bacterial cell walls and inhibit microbial enzymes, which has been shown to be effective against various Gram-positive and Gram-negative bacteria in vitro studies.
Antioxidant support
Gallic acid and quercetin act as potent free radical scavengers, enhancing cellular antioxidant defenses by modulating Nrf2 signaling pathways. This activity has been confirmed in both in vitro and animal studies, suggesting potential benefits in oxidative stress-related conditions.
Digestive health
Traditionally, Winged Sumac is used to treat diarrhea due to its astringent tannins, which bind and precipitate proteins, reducing intestinal secretions and motility. This mechanism aligns with its traditional use in Native American medicine.
Cardiovascular health
The flavonoid quercetin in Winged Sumac may improve endothelial function by upregulating endothelial nitric oxide synthase (eNOS), thus enhancing vasodilation. Preliminary animal studies suggest potential benefits in managing hypertension.
Cancer-adjunct research
Methyl gallate and gallic acid have been shown to induce apoptosis in cancer cell lines by modulating the expression of pro-apoptotic and anti-apoptotic proteins. This area remains largely preclinical, with promising in vitro results.
Skin health
Topical applications of Winged Sumac extracts may support wound healing through their antimicrobial and anti-inflammatory properties. The flavonoids and tannins promote collagen synthesis and reduce microbial load on the skin, as observed in animal studies.
Key active compounds
Gallic Acid
A phenolic acid that acts as a potent antioxidant and anti-inflammatory agent by scavenging free radicals and inhibiting the NF-kB pathway. It is well-absorbed in the gastrointestinal tract.
Methyl Gallate
An ester of gallic acid with strong antimicrobial properties, particularly effective against bacterial pathogens by disrupting cell wall integrity.
Quercetin
A flavonoid that modulates inflammatory pathways and enhances endothelial function by activating eNOS. It also demonstrates synergistic effects with other phenolics.
Tannins
Polyphenolic compounds that exhibit astringent properties, useful in managing diarrhea and promoting wound healing through protein precipitation and antimicrobial activity.
Essential Oils
Volatile compounds with antimicrobial and anti-inflammatory properties. They enhance the overall therapeutic profile of the plant extract.
Kaempferol
A flavonoid that contributes to the antioxidant and anti-inflammatory effects by modulating various signaling pathways, including Nrf2 and NF-kB.
What the research says
Research on Winged Sumac focuses on its anti-inflammatory and antimicrobial properties, with gallic acid and methyl gallate showing strong preclinical evidence in vitro and animal studies. The antioxidant potential, driven by compounds like quercetin and gallic acid, is well-documented in oxidative stress models. However, human clinical trials are limited, and the main challenge remains the bioavailability of these compounds. Formulation strategies such as encapsulation and co-administration with bioavailability enhancers like piperine are being explored to overcome these limitations.
Typical dosage
For a tea or infusion, use 1-2 teaspoons of dried leaves or bark per cup of boiling water, steep for 10-15 minutes, and consume up to three times daily. For tinctures, a typical dosage is 1-2 ml taken up to three times per day. Poultices can be applied directly to the skin as needed, ensuring the area is clean and free from open wounds. Decoctions can be made by simmering 1-2 tablespoons of dried plant material in water for 20-30 minutes, then straining and consuming as needed.
About Winged Sumac
Traditional Use
Preparations & Dosage
Preparations
- Tea / Infusion: Boil water and pour over 1-2 teaspoons of dried Rhus Copallinum leaves or bark. Let steep for 10-15 minutes. Strain and drink warm. Add honey or lemon for taste if desired.
- Tincture: Combine 1 part dried Rhus Copallinum with 5 parts alcohol (such as vodka) in a glass jar. Seal and store in a cool, dark place for 4-6 weeks, shaking occasionally. Strain and store the liquid in a dark glass bottle.
- Poultice: Crush fresh or dried Rhus Copallinum leaves and mix with a small amount of water to form a paste. Apply directly to the affected area and cover with a clean cloth. Leave on for 20-30 minutes.
- Decoction: Simmer 1-2 tablespoons of dried Rhus Copallinum bark in 2 cups of water for 20-30 minutes. Strain and drink warm. Can be sweetened with honey if desired.
Interactions & Warnings
Use with caution
Rhus Copallinum should be used with caution as it belongs to the Anacardiaceae family, which includes plants that can cause allergic reactions. Individuals with known allergies to plants in this family should avoid using it. Pregnant and breastfeeding women should consult a healthcare provider before use.
Herb Interactions
May enhance photosensitivity when combined, increasing the risk of skin reactions.
Potential for increased bleeding risk when combined due to mild blood-thinning properties.
Community Plants
Real plants of this species grown and shared by the MyFloralVault community.
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