# Exocyan (Cranberry Extract) **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/exocyan **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-04-01 **Evidence Score:** 2 / 10 **Category:** Other **Also Known As:** Vaccinium macrocarpon extract, American cranberry extract, Cranberry PAC extract, A-type proanthocyanidin extract, Standardized cranberry extract, Nexira cranberry extract, High-PAC cranberry extract ## Overview Exocyan is a standardized cranberry extract containing 10-40% A-type proanthocyanidins that may support urinary tract health by preventing bacterial adhesion to uroepithelial cells. The extract demonstrates [antioxidant activity](/ingredients/condition/antioxidant) through multiple assays, with procyanidin levels reaching up to 0.94 g/100g extract. ## Health Benefits • [Antioxidant activity](/ingredients/condition/antioxidant) demonstrated through DPPH, ABTS, and FRAP assays, correlating with procyanidin levels up to 0.94 g/100g extract (preliminary evidence) • High concentration of A-type proanthocyanidins (10-40% or up to 90% by Bate-Smith method) may support urinary tract health (no specific clinical evidence for Exocyan) • Contains 78 individual procyanidins including 65 Type A linkages with polymerization up to 9 units (biochemical characterization only) • Standardized PAC content ensures consistent polyphenolic delivery (manufacturing specification, no clinical validation) • Anthocyanin content including cyanidin-3-O-galactoside may provide additional antioxidant support (compositional data only) ## Mechanism of Action A-type proanthocyanidins in Exocyan prevent bacterial adhesion to uroepithelial cells by blocking P-fimbriae on E. coli bacteria, reducing their ability to colonize the urinary tract. The extract's antioxidant activity occurs through [free radical scaveng](/ingredients/condition/antioxidant)ing mechanisms demonstrated in DPPH, ABTS, and FRAP assays. Procyanidins also modulate inflammatory pathways by inhibiting NF-κB activation and reducing [pro-inflammatory cytokine](/ingredients/condition/inflammation) production. ## Clinical Summary Current evidence for Exocyan is primarily based on in vitro studies demonstrating [antioxidant activity](/ingredients/condition/antioxidant) correlating with procyanidin content up to 0.94 g/100g extract. The extract shows high concentrations of A-type proanthocyanidins (10-40% or up to 90% by Bate-Smith method), which are the compounds theoretically responsible for urinary tract benefits. However, specific clinical trials evaluating Exocyan's efficacy in humans for urinary tract health are limited. The evidence strength remains preliminary, requiring controlled human studies to establish clinical efficacy. ## Nutritional Profile Exocyan is a standardized cranberry (Vaccinium macrocarpon) extract, not a whole food, so traditional macronutrient values (fat, carbohydrate, protein) are negligible at typical serving doses. Its value lies in its concentrated bioactive polyphenolic profile: • **Proanthocyanidins (PACs):** 10–40% by standard methods (BL-DMAC), or up to 90% by the Bate-Smith acid-catalyzed degradation method. Dominated by A-type proanthocyanidins (A-type linkages account for 65 of the 78 identified individual procyanidins), which distinguishes cranberry from most other berry extracts that contain primarily B-type PACs. A-type PACs are considered the primary bioactives for urinary tract anti-adhesion activity. • **Procyanidins:** Total procyanidin content up to ~0.94 g per 100 g of extract. Includes monomers (catechin, epicatechin), dimers through high-degree oligomers and polymers. Mean degree of polymerization varies by fraction. • **Anthocyanins:** Present but at lower concentrations than in whole cranberry juice; typical cranberry anthocyanins include cyanidin-3-galactoside, cyanidin-3-arabinoside, peonidin-3-galactoside, and peonidin-3-arabinoside. Concentration in extract is generally <2%. • **Flavonols:** Quercetin glycosides (quercetin-3-galactoside, quercetin-3-rhamnoside) and myricetin derivatives present in minor amounts. • **Phenolic acids:** Benzoic acid, hydroxycinnamic acid derivatives (chlorogenic acid, caffeic acid) present in trace-to-minor quantities. • **Organic acids:** Residual quinic acid, malic acid, and citric acid may be present depending on extraction process. • **Minerals & Vitamins:** Not a significant source of vitamins or minerals at typical supplemental doses (100–500 mg/day). • **Fiber/Protein/Fat:** Negligible in extract form. **Bioavailability notes:** A-type proanthocyanidins, particularly oligomers (DP ≥3), have low oral bioavailability due to large molecular size and poor intestinal absorption. Monomers and dimers are better absorbed. A significant fraction of PACs reaches the colon intact where they undergo microbial [metabolism](/ingredients/condition/weight-management) to phenylvalerolactones, phenylvaleric acids, and smaller phenolic acids, which may contribute to systemic bioactivity. Anthocyanins are rapidly absorbed but have short plasma half-lives (~1–2 hours) and low systemic bioavailability (<1–2%). Urinary tract benefits may partly bypass the bioavailability limitation, as cranberry PAC metabolites and parent compounds are excreted renally and concentrate in urine. ## Dosage & Preparation No clinically studied dosage ranges for Exocyan are available. The extract comes in standardized forms containing 1-50% PACs (including 10-40% A-type PACs, 90% by Bate-Smith method, or 20% by BL-DMAC method), but specific dosing recommendations have not been established through human trials. Consult a healthcare provider before starting any new supplement. ## Safety & Drug Interactions Cranberry extracts like Exocyan are generally well-tolerated with minimal side effects, though gastrointestinal upset may occur in sensitive individuals. The extract may enhance the effects of warfarin due to potential interactions affecting INR levels, requiring monitoring in anticoagulated patients. High doses may increase risk of kidney stone formation in susceptible individuals due to oxalate content. Safety during pregnancy and lactation has not been established, so use should be avoided unless under medical supervision. ## Scientific Research No clinical trials, RCTs, or meta-analyses specific to Exocyan were found in the research dossier. While general cranberry extract research exists for urinary tract health, no Exocyan-specific studies with details on study design, sample size, or outcomes are documented. ## Historical & Cultural Context No historical or traditional medicine context for Exocyan as a branded extract is mentioned in the research. While cranberries (Vaccinium macrocarpon) have general folk use, specific traditional applications, systems of medicine, or historical duration of use are not documented. ## Synergistic Combinations D-mannose, [probiotic](/ingredients/condition/gut-health)s (Lactobacillus), vitamin C, hibiscus extract, uva ursi ## Frequently Asked Questions ### What percentage of proanthocyanidins does Exocyan contain? Exocyan contains 10-40% A-type proanthocyanidins, though some preparations may reach up to 90% when measured by the Bate-Smith method. These A-type proanthocyanidins are the specific compounds believed to provide urinary tract health benefits. ### How does Exocyan prevent urinary tract infections? Exocyan's A-type proanthocyanidins prevent E. coli bacteria from adhering to uroepithelial cells in the urinary tract by blocking bacterial P-fimbriae. This anti-adhesion mechanism reduces bacterial colonization and may help prevent urinary tract infections. ### What is the recommended dosage of Exocyan? Specific dosage recommendations for Exocyan have not been established through clinical trials. However, cranberry extract studies typically use doses ranging from 120-500mg daily, standardized to proanthocyanidin content. ### Can Exocyan interact with blood thinning medications? Yes, Exocyan may enhance the effects of warfarin and other anticoagulants, potentially increasing INR levels and bleeding risk. Patients taking blood thinners should consult their healthcare provider before using cranberry extracts. ### How long does it take for Exocyan to show effects? Based on cranberry extract research, urinary tract benefits may be observed within 2-4 weeks of consistent use. However, specific timeframes for Exocyan have not been established in clinical studies, as human trials are limited. ### What makes Exocyan different from other cranberry extracts? Exocyan is specifically standardized for high A-type proanthocyanidin content, containing up to 90% proanthocyanidins by Bate-Smith method with 65 Type A linkages out of 78 total procyanidins identified in the extract. This high concentration of A-type linkages is significant because these structures are believed to be more effective for urinary tract health compared to standard cranberry extracts. The extract also demonstrates measurable antioxidant activity through multiple assay methods (DPPH, ABTS, and FRAP), correlating with its procyanidin composition. ### Is Exocyan safe for long-term use? While Exocyan is derived from cranberries, a food source generally recognized as safe, long-term safety data specific to this branded extract is limited. Individuals with bleeding disorders or those taking anticoagulant medications should consult healthcare providers before extended use due to potential interactions. As with any concentrated supplement, it is advisable to use Exocyan as directed and discuss sustained supplementation with a healthcare professional. ### How does the antioxidant strength of Exocyan compare to fresh cranberries? Exocyan is a concentrated extract with proanthocyanidin levels up to 0.94 g/100g, delivering significantly higher antioxidant potency per serving than fresh cranberries, which contain much lower concentrations of these bioactive compounds. The standardization process in Exocyan ensures consistent antioxidant activity measured through established assays (DPPH, ABTS, FRAP), whereas fresh cranberry composition varies seasonally and by variety. This concentration makes Exocyan more practical for delivering therapeutic-level antioxidant support in supplement form. --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*