Hermetica Superfood Encyclopedia
The Short Answer
Wild cherry (Prunus serotina) contains prunasin and other cyanogenic glycosides that may provide antitussive effects by suppressing cough reflexes. The bark has traditionally been used for respiratory conditions and shows preliminary cardiovascular benefits in animal studies.
CategoryHerbs (Global Traditional)
GroupNative American
Evidence LevelModerate
Primary Keywordwild cherry benefits
Synergy Pairings3
Wild Cherry (Prunus serotina) — botanical close-up
Health Benefits
Origin & History
Natural habitat
Wild cherry (Prunus serotina) is a deciduous tree native to North America, belonging to the Rosaceae family. The medicinal preparation is derived from the bark, which contains cyanogenic glycosides (primarily prunasin), benzaldehyde, eudesmic acid, p-coumaric acid, scopoletin, and tannins. The bark is typically prepared as infusions, tinctures, or standardized extracts for therapeutic use.
“Wild cherry has a long history in North American indigenous medicine and Mexican folk medicine (where it's called 'capulín'), traditionally used for respiratory conditions, cardiac palpitations, and gastrointestinal disorders. Indigenous peoples particularly valued it for treating coughs, bronchitis, and chronic respiratory conditions.”Traditional Medicine
Scientific Research
The available research lacks specific human clinical trials with PubMed PMIDs, randomized controlled trials, or meta-analyses. A 2020 phytopharmacological review documented in vitro and in vivo evidence for antioxidant, anti-inflammatory, antimicrobial, and antidiabetic actions, with limited human studies showing effects on oxidative stress, inflammation, and hypertension markers.
Preparation & Dosage
Traditional preparation
Traditional herbal dosing (not clinically validated): Infusion - 1 teaspoon dried bark per cup of water, 1 cup three times daily; Tincture (1:5 ratio) - 2-4 ml three times daily. No standardized extract dosages or clinically validated dosing ranges are available. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Wild Cherry (Prunus serotina) contains a complex array of macronutrients, micronutrients, and bioactive compounds. Macronutrients per 100g fresh fruit: carbohydrates ~12-15g (primarily fructose and glucose), dietary fiber ~2-3g, protein ~1g, fat ~0.3g, water ~82-85g. Micronutrients: Vitamin C ~7-10mg/100g (bioavailability moderate, affected by processing), Vitamin A (as beta-carotene) ~50-80 IU/100g, potassium ~220-250mg/100g, calcium ~13-15mg/100g, magnesium ~9-11mg/100g, phosphorus ~15-18mg/100g, iron ~0.3-0.4mg/100g, zinc ~0.1mg/100g. Bioactive compounds: Prunasin (cyanogenic glycoside) ~0.5-2mg/g in bark and leaves — NOTE: prunasin metabolizes to hydrogen cyanide; medicinal bark preparations require controlled dosing; fruit pulp contains significantly lower concentrations. Anthocyanins (cyanidin-3-glucoside, cyanidin-3-rutinoside) ~50-150mg/100g in ripe fruit — bioavailability ~5-10%, enhanced by food matrix factors. Chlorogenic acid ~20-40mg/100g. Quercetin and kaempferol glycosides ~5-15mg/100g. Ellagic acid ~trace amounts. Benzaldehyde (from prunasin hydrolysis) contributes to respiratory-soothing properties via bark preparations. Tannins ~2-4% in bark (dry weight) — astringent properties, reduce gastrointestinal absorption when present. Bioavailability notes: Polyphenols exhibit limited systemic bioavailability but demonstrate local anti-inflammatory effects; cyanogenic compounds in bark are partially detoxified by gut microbiota; fruit anthocyanins are best absorbed in mildly acidic gastric environment.
How It Works
Mechanism of Action
Wild cherry's primary bioactive compounds are cyanogenic glycosides, particularly prunasin, which release small amounts of hydrogen cyanide when metabolized. This mechanism may suppress cough reflexes by acting on respiratory centers in the medulla oblongata. The flavonoids and phenolic compounds present may contribute to cardiovascular effects through ACE inhibition and vasodilation pathways.
Clinical Evidence
Evidence for wild cherry is primarily based on traditional use and limited preclinical studies. Animal models have shown reduced systolic blood pressure in hypertensive rats, though specific dosages and mechanisms require further investigation. Human clinical trials are lacking, with most evidence coming from historical use for respiratory conditions. In-vitro studies suggest antitussive properties, but controlled human studies are needed to establish efficacy and optimal dosing.
Safety & Interactions
Wild cherry bark contains cyanogenic glycosides that can release hydrogen cyanide, making high doses potentially toxic. Common side effects may include nausea, dizziness, and gastrointestinal upset. The herb may interact with blood pressure medications due to potential hypotensive effects. Pregnant and nursing women should avoid use due to cyanide content and lack of safety data.
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Frequently Asked Questions
What is the active compound in wild cherry bark?
The primary active compound is prunasin, a cyanogenic glycoside that releases small amounts of hydrogen cyanide when metabolized. Wild cherry also contains flavonoids and phenolic compounds that may contribute to its therapeutic effects.
How much wild cherry bark is safe to take daily?
Traditional preparations typically use 1-4 grams of dried bark daily as a tea or extract. However, standardized dosing guidelines are not established due to limited clinical research and potential toxicity from cyanogenic glycosides.
Can wild cherry bark help with chronic cough?
Traditional use and preliminary studies suggest wild cherry may have antitussive (cough-suppressing) properties. However, controlled human clinical trials are lacking to confirm effectiveness for chronic cough conditions.
Does wild cherry interact with blood pressure medications?
Wild cherry may have hypotensive effects based on animal studies showing reduced systolic blood pressure. This could potentially enhance the effects of blood pressure medications, requiring medical supervision if used together.
Is wild cherry bark toxic in large amounts?
Yes, wild cherry contains cyanogenic glycosides that can release hydrogen cyanide when consumed in large quantities. Symptoms of toxicity include nausea, dizziness, difficulty breathing, and potentially more serious complications with excessive intake.
What is the difference between wild cherry bark extract and whole wild cherry fruit supplements?
Wild cherry bark extract is traditionally used for respiratory support and contains higher concentrations of prunasin and other alkaloids, while whole fruit supplements provide anthocyanins and antioxidants with a different nutrient profile. Bark extracts are more commonly used in herbal medicine for cough and bronchitis, whereas fruit products are marketed for general antioxidant support and may have a gentler effect on the digestive system. The choice depends on your intended use: respiratory support typically favors bark extracts, while overall wellness may benefit from whole fruit formulations.
Who should avoid wild cherry bark supplements?
Pregnant and nursing women should avoid wild cherry bark due to the presence of cyanogenic glycosides that may pose risks to fetal development or nursing infants. Individuals with kidney disease or those taking medications that affect kidney function should consult a healthcare provider, as the metabolites of wild cherry compounds are processed through the kidneys. People allergic to Rosaceae family plants (including almonds, peaches, and apricots) may have cross-reactivity and should exercise caution.
What does the current clinical research say about wild cherry's effectiveness for hypertension?
Animal studies have demonstrated that wild cherry extracts reduced systolic blood pressure in hypertensive models, and some human studies have shown decreased hypertension markers; however, the evidence is still preliminary and limited in scope. Most research has focused on isolated compounds rather than standardized commercial supplements, making direct application to consumer products unclear. More rigorous, large-scale human clinical trials are needed before wild cherry can be recommended as a primary treatment for hypertension, though it may serve as a complementary support strategy under professional guidance.
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