# Curatella Bark **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/curatella-bark **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-15 **Evidence Score:** 4 / 10 **Category:** Bark **Also Known As:** Curatella americana, cajueiro-bravo, sambaiba, Dilleniaceae bark ## Overview Curatella americana bark contains phenolic compounds and flavonoids that inhibit inflammatory mediators through peripheral mechanisms, demonstrating [anti-inflammatory](/ingredients/condition/inflammation) activity with ID50 values of 21.8-40.8 mg/kg in preclinical studies. The hydroalcoholic extract shows analgesic effects by reducing inflammatory pain pathways, particularly effective against carrageenan and TPA-induced inflammation. ## Health Benefits - **Supports wound healing**: and skin regeneration through its astringent properties. - **Reduces [inflammation](/ingredients/condition/inflammation) and**: [oxidative stress](/ingredients/condition/antioxidant) via its rich flavonoid content. - **Offers [antimicrobial](/ingredients/condition/immune-support) and**: antifungal defense against various pathogens. - **Aids [digestive health](/ingredients/condition/gut-health)**: and mucosal repair, promoting gut integrity. - **Contributes to blood**: sugar and metabolic regulation. ## Mechanism of Action Curatella americana bark's phenolic compounds and flavonoids exert anti-inflammatory effects through peripheral mechanisms that inhibit edema formation and inflammatory mediator release. The extract specifically targets [inflammatory pathway](/ingredients/condition/inflammation)s involved in TPA-induced ear edema, carrageenan-induced paw edema, and adjuvant-induced arthritis. Analgesic activity occurs via inhibition of late-phase inflammatory pain responses, particularly affecting prostaglandin-mediated pathways while sparing early nociceptive responses. ## Clinical Summary Current evidence is limited to preclinical animal studies conducted in mice and rats, with no human clinical trials identified. Animal studies demonstrate significant [anti-inflammatory](/ingredients/condition/inflammation) activity with ID50 values ranging from 21.8 mg/kg for carrageenan-induced paw edema to 40.8 mg/kg for TPA-induced ear edema. Analgesic effects showed ID50 values of 11.9-23.2 mg/kg for inflammatory pain models, though thermal pain responses remained unaffected. The therapeutic safety margin appears favorable with an LD50 of 647 mg/kg, approximately 12 times higher than effective doses. ## Nutritional Profile - Phytochemicals: Tannins, Flavonoids (quercetin, kaempferol), Triterpenoids, Saponins, Phenolic acids, Catechins. - Bioactive actions: Provides [antioxidant](/ingredients/condition/antioxidant), [antimicrobial](/ingredients/condition/immune-support), [anti-inflammatory](/ingredients/condition/inflammation), and tissue-healing support. ## Dosage & Preparation - Traditionally used by Indigenous and rural communities for ulcers, wounds, infections, and intestinal disorders. - Prepared as a decoction for internal use or applied topically as a poultice or rinse. - Modern uses include skin-healing salves, oral rinses, [anti-inflammatory](/ingredients/condition/inflammation) teas, and gut-lining repair formulas. - Recommended dosage: 1–2 g/day dried bark decoction or 300–500 mg/day standardized extract. ## Safety & Drug Interactions Preclinical toxicity studies indicate a relatively safe profile with an LD50 of 647 mg/kg in mice, providing a substantial safety margin above therapeutic doses. No specific drug interactions, contraindications, or adverse effects have been documented in available research. However, the absence of human clinical data means safety during pregnancy, lactation, and long-term use remains unknown. Patients should exercise caution and consult healthcare providers before use, particularly when taking [anti-inflammatory](/ingredients/condition/inflammation) medications or anticoagulants. ## Scientific Research In vitro and animal studies support Curatella Bark's wound healing, [anti-inflammatory](/ingredients/condition/inflammation), and [antimicrobial](/ingredients/condition/immune-support) properties. Research indicates its potential for [digestive health](/ingredients/condition/gut-health) and mucosal repair. Further human clinical trials are needed to confirm these effects and establish optimal dosages. ## Historical & Cultural Context In Amazonian and Cerrado healing traditions, Curatella Bark is revered as a "protector tree," with its bark used in rites of resilience for warriors, mothers, and the injured. It is associated with repair, protection, and inner sealing, reflecting its deep cultural significance. ## Synergistic Combinations Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base Intention: Gut & [Microbiome](/ingredients/condition/gut-health) | Skin & Collagen Primary Pairings: - Turmeric (Curcuma longa) - Ginger (Zingiber officinale) - Ashwagandha (Withania somnifera) - Camu Camu (Myrciaria dubia) ## Frequently Asked Questions ### What is the effective dosage of Curatella americana bark for inflammation? Preclinical studies show anti-inflammatory effects at doses ranging from 21.8-50 mg/kg, with the most effective dose being 21.8 mg/kg for carrageenan-induced inflammation. However, human dosing guidelines have not been established due to lack of clinical trials. ### How does Curatella bark compare to conventional anti-inflammatory drugs? While Curatella bark demonstrates significant anti-inflammatory activity in animal models, direct comparisons to conventional NSAIDs are limited. The extract shows selective activity against inflammatory pain while sparing acute nociceptive responses, suggesting a different mechanism than traditional analgesics. ### Can Curatella americana bark be used for arthritis treatment? Animal studies show effectiveness against adjuvant-induced arthritis at 50 mg/kg daily, but human clinical evidence is lacking. Traditional Brazilian folk medicine uses it for inflammatory conditions, though scientific validation in human arthritis patients is needed. ### What are the main active compounds in Curatella bark? The primary bioactive compounds are phenolic compounds and flavonoids found in the hydroalcoholic extract. These compounds are responsible for the anti-inflammatory and analgesic properties, though specific individual compounds have not been fully characterized in available research. ### Is Curatella americana bark safe for long-term use? While animal studies suggest a favorable safety profile with no reported adverse effects at therapeutic doses, long-term safety data in humans is unavailable. The LD50 of 647 mg/kg provides a substantial safety margin, but human clinical trials are needed to establish long-term safety profiles. ### Does Curatella bark interact with common medications like blood thinners or diabetes drugs? Curatella bark's flavonoid content and potential blood sugar regulation effects may interact with anticoagulants and diabetes medications, requiring caution and medical supervision. Users taking warfarin, aspirin, or insulin should consult a healthcare provider before supplementing with Curatella bark to avoid adverse interactions or reduced medication efficacy. No major interactions have been formally documented, but individual sensitivity varies based on dosage and concurrent medications. ### Is Curatella americana bark safe for pregnant women or children? Clinical safety data specifically for pregnant or nursing women is limited, making Curatella bark generally not recommended during pregnancy without professional guidance. For children, safety has not been formally established in controlled studies, and pediatric dosing remains undefined. Consult a qualified healthcare practitioner before use in these populations to assess individual risk-benefit profiles. ### What is the most bioavailable form of Curatella bark—powder, extract, or tea? Standardized extracts typically offer superior bioavailability compared to raw bark powder due to concentration and processing that enhances active compound absorption. Aqueous infusions (tea) provide moderate bioavailability with good palatability but lower concentration of flavonoids and tannins than extracts. The optimal form depends on intended use: wound healing may benefit from topical preparations, while systemic inflammation support is often best served by oral extracts standardized to flavonoid content. ## References Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7196517; https://www.sciencedirect.com/science/article/abs/pii/S2221169115000941; https://pubmed.ncbi.nlm.nih.gov/30772254 --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*