Hermetica Superfood Encyclopedia
The Short Answer
Guacimo bark (Guazuma ulmifolia) contains high concentrations of proanthocyanidins and flavan-3-ols that provide antioxidant protection and inhibit angiotensin II binding to AT1 receptors by approximately 50%. The bark's mucilage content supports mucosal integrity while its bioactive compounds modulate inflammatory pathways and glucose metabolism.
CategoryBark
GroupBark
Evidence LevelStrong
Primary Keywordguacimo bark benefits
Synergy Pairings4
Health Benefits
Supports gut repair and mucosal integrity through its mucilage content
Reduces systemic inflammation, aiding in conditions like fevers and skin inflammation.
Assists in postpartum recovery by supporting tissue healing and reducing discomfort.
Modulates blood glucose levels, contributing to metabolic balance
Provides antioxidant protection, safeguarding cells from oxidative stress
Origin & History
Guacimo Bark (Guazuma ulmifolia) is derived from a tree native to the dry forests and riparian lowlands of Central America, the Caribbean, and northern South America. This botanical is traditionally valued for its mucilaginous and anti-inflammatory properties, supporting gut health and systemic balance.
“In Mesoamerican and Afro-Caribbean traditional medicine, Guacimo Bark has been historically decocted for digestive disorders, fevers, and postpartum restoration. It was also applied topically for boils, various skin issues, and eye inflammation.”Traditional Medicine
Scientific Research
Research, including in vitro and animal studies, supports Guacimo Bark's traditional uses, highlighting its anti-inflammatory, antioxidant, and hypoglycemic properties. These studies suggest potential benefits for gut repair and metabolic regulation, warranting further human clinical investigation.
Preparation & Dosage
Common forms
Dried bark, decoction, extract.
Traditional preparation
Decocted for various ailments.
Dosage
2–4g of decocted bark daily, or 300–600 mg of extract, for gut, joint, and metabolic support
Nutritional Profile
- Phytochemicals: Mucilage polysaccharides, catechins, quercetin, kaempferol, proanthocyanidins, chlorogenic acid, tannins.
- Minerals: Calcium, magnesium, zinc.
How It Works
Mechanism of Action
Guacimo bark's proanthocyanidins and flavonoids including gallocatechin and epigallocatechin scavenge free radicals and reduce oxidative stress in blood cells. The procyanidins inhibit angiotensin II binding to AT1 receptors with approximately 50% inhibition, while directly interacting with cholera toxin subunits to render them inactive. The mucilage content provides protective coating effects on mucosal tissues, supporting gut barrier function.
Clinical Evidence
Research consists primarily of in vitro and limited animal studies rather than human clinical trials. In human erythrocytes, aqueous stem bark extract showed dose-dependent antioxidant protection from 16% at 25 μg/mL to 83% at 1000 μg/mL against induced hemolysis. Animal studies demonstrated complete inhibition of cholera toxin-induced chloride secretion and antisecretory effects at 40 mcg/ml in rabbit colon models. The evidence supports traditional uses but requires human clinical investigation to establish therapeutic efficacy and optimal dosing.
Safety & Interactions
Safety data is limited with only basic acute toxicity studies conducted in animal models, though specific findings are not well documented. No clinical safety data, adverse effects, drug interactions, or contraindications have been established in human studies. Pregnant and nursing women should avoid use due to lack of safety data. Patients taking cardiovascular medications should consult healthcare providers given the bark's angiotensin II receptor inhibition activity.
Synergy Stack
Hermetica Formulation Heuristic
Bark botanical
Gut & Microbiome | Immune & Inflammation
Also Known As
Guazuma ulmifolia Lam.MutambaWest Indian Elm
Frequently Asked Questions
What are the main active compounds in guacimo bark?
Proanthocyanidins are the predominant active constituents, along with flavonoids like gallocatechin (5.84% in aqueous extract), epigallocatechin (5.33%), and catechin (3.73%). These condensed tannins and flavan-3-ol derivatives provide the primary therapeutic effects.
How effective is guacimo bark for antioxidant protection?
In laboratory studies using human blood cells, guacimo bark extract provided dose-dependent protection from oxidative damage. At 1000 μg/mL concentration, it achieved 83% protection against induced cell damage after 240 minutes of exposure.
Can guacimo bark help with digestive issues?
The bark's mucilage content supports mucosal integrity and gut barrier function, while studies show it can completely inhibit cholera toxin-induced secretion in colon tissue. However, human clinical trials are needed to confirm digestive benefits.
What is the difference between guacimo bark and mutamba?
Guacimo bark and mutamba refer to the same plant (Guazuma ulmifolia), with mutamba being the traditional Mexican name. Both terms describe bark from this Central American tree used in traditional medicine.
Are there any cardiovascular effects of guacimo bark?
Research shows guacimo bark can inhibit angiotensin II binding to AT1 receptors by approximately 50%, suggesting potential cardiovascular applications. However, this also means it could interact with blood pressure medications and requires medical supervision.
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