Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Pomegranate (Punica granatum) contains high concentrations of ellagitannins and punicalagins that provide potent anti-inflammatory effects. These polyphenolic compounds reduce inflammatory markers like IL-6 and C-reactive protein by up to 32% in clinical studies.
Origin & History
Pomegranate (Punica granatum) is a fruit-bearing deciduous shrub native to the Middle East, widely cultivated in Mediterranean, Caucasus, northern India, and Southeast Asia regions. The fruit's arils, juice, peel, and seeds are extracted via cold-pressing for juice or solvent extraction/lyophilization for standardized polyphenolic extracts like POMx or PFE.
Research Narrative (Provisional)
Clinical evidence includes a phase II RCT in prostate cancer patients showing increased urolithin A metabolites (PMID: 33095939), and meta-analyses confirming anti-inflammatory and antioxidant effects. Studies in hemodialysis patients (n=101), type 2 diabetes, and rheumatoid arthritis (n=55) demonstrate consistent reductions in inflammatory biomarkers, with a recent IBD study (PMID: 40255128) showing gene expression modulation.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Per 100g of fresh arils: Calories ~83 kcal; Carbohydrates ~18.7g (sugars ~13.7g, predominantly fructose and glucose); Dietary fiber ~4.0g; Protein ~1.7g; Fat ~1.2g (seed oil rich in punicic acid, a conjugated linolenic acid isomer, comprising ~65-80% of seed oil fatty acids). Key micronutrients: Vitamin C ~10.2mg (11% DV); Vitamin K ~16.4µg (14% DV); Folate ~38µg (10% DV); Potassium ~236mg (7% DV); Copper ~0.16mg (18% DV); Manganese ~0.12mg (5% DV); Phosphorus ~36mg (5% DV); Magnesium ~12mg (3% DV); Iron ~0.3mg (2% DV). Bioactive compounds: Punicalagins (α and β forms, ~20-100mg/100mL juice) — the predominant ellagitannins and primary drivers of antioxidant activity, hydrolyzed in the gut to ellagic acid; Ellagic acid (~50-90mg/100mL juice, free and bound forms); Anthocyanins (~12-65mg/100mL juice, primarily delphinidin-3,5-diglucoside, cyanidin-3,5-diglucoside, and pelargonidin-3,5-diglucoside); Flavonols including quercetin, kaempferol, and luteolin glycosides (trace to ~5mg/100mL); Gallic acid (~2-5mg/100mL juice); Caffeic acid (trace amounts). Urolithins (A, B, C, D) are key gut microbial metabolites of ellagitannins — urolithin A is the most bioactive and bioavailable metabolite, though production varies significantly between individuals (~40% are high producers, ~30% moderate, ~30% low/non-producers based on gut microbiome composition). Punicalagins themselves have low oral bioavailability (<1% absorbed intact) but ellagic acid and especially urolithins are absorbed systemically with urolithin A reaching plasma concentrations of 0.02-35µM depending on metabotype. The peel/rind (not typically consumed but used in extracts) contains 3-10× higher polyphenol concentrations than arils, with punicalagin content up to 250mg/g dry weight. Total polyphenol content of juice ranges from ~1,500-4,500mg GAE/L, substantially higher than most other fruit juices. ORAC value ~4,479µmol TE/100g arils.
Reported Mechanism (Provisional)
Pomegranate's ellagitannins and punicalagins are metabolized by gut bacteria into urolithins, which inhibit NF-κB signaling pathways and reduce pro-inflammatory cytokine production. These compounds also activate Nrf2 pathways, enhancing endogenous antioxidant enzyme expression including superoxide dismutase and catalase. The anthocyanins delphinidin and cyanidin improve endothelial function by increasing nitric oxide bioavailability.
Clinical Narrative (Provisional)
Multiple randomized controlled trials demonstrate pomegranate's anti-inflammatory effects, with studies showing 12-32% reductions in IL-6 and hs-CRP levels in participants consuming 200-500mg daily for 8-12 weeks. A meta-analysis of 8 RCTs on cardiovascular outcomes showed mixed results for blood pressure reduction, with some studies reporting 5-12 mmHg systolic pressure decreases. Antioxidant studies consistently show improved ORAC scores and reduced lipid peroxidation markers. Most trials used standardized extracts containing 40% ellagic acid with sample sizes ranging from 48-100 participants.
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