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
Turmeric contains curcumin, which inhibits NF-κB signaling and cyclooxygenase enzymes to reduce inflammatory responses. This compound demonstrates potent antioxidant activity through phenolic structures that directly scavenge free radicals.
Origin & History
Curcuma longa is a rhizomatous plant native to South Asia, belonging to the Zingiberaceae family, from which the underground stem (rhizome) is extracted and processed into powder, extracts, or essential oils. The rhizome contains over 235 phytoconstituents, with curcuminoids (3-15% of rhizome) and essential oils (approximately 4.2%) serving as the primary bioactive components.
Research Narrative (Provisional)
The available research consists primarily of in vitro and in vivo bioassays demonstrating various bioactivities including hepatoprotective, cardioprotective, and anti-inflammatory properties. No specific human clinical trials, RCTs, or meta-analyses with PMIDs were included in the research dossier, limiting the ability to assess clinical efficacy in humans.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Turmeric rhizome (dry powder) provides approximately 354 kcal/100g with the following macronutrient profile: carbohydrates ~64.9g/100g (including ~21.1g dietary fiber), protein ~7.8g/100g, fat ~9.9g/100g (primarily unsaturated fatty acids including linolenic and linoleic acid). Key micronutrients per 100g: potassium ~2525mg, iron ~41.4mg, manganese ~7.8mg, magnesium ~193mg, phosphorus ~268mg, calcium ~183mg, zinc ~4.4mg, copper ~0.6mg, vitamin C ~25.9mg, vitamin B6 ~1.8mg, niacin ~5.1mg, riboflavin ~0.15mg. Primary bioactive compounds: curcuminoids comprising 2–8% of dry weight, consisting of curcumin (curcumin I, ~77% of curcuminoid fraction), demethoxycurcumin (curcumin II, ~17%), and bisdemethoxycurcumin (curcumin III, ~3–5%); essential oils 2.5–7% including turmerones (ar-turmerone, α-turmerone, β-turmerone) and zingiberene. Polysaccharides (ukonan A–D) present at ~1–2% contributing immunomodulatory activity. BIOAVAILABILITY NOTES: Curcumin has critically poor oral bioavailability (~1% absorption) due to rapid metabolism, low aqueous solubility, and rapid systemic elimination; co-administration with piperine (20mg) increases bioavailability by approximately 2000%; lipid-based formulations and nanoparticle encapsulation also significantly enhance absorption; cooking turmeric in oil (as in traditional Ayurvedic and culinary use) improves curcumin solubilization; first-pass metabolism in the liver converts curcumin to tetrahydrocurcumin and curcumin glucuronides, which retain some biological activity.
Reported Mechanism (Provisional)
Curcumin, the primary bioactive compound, suppresses nuclear factor-kappa B (NF-κB) translocation, preventing inflammatory gene expression. It inhibits cyclooxygenase-1 and cyclooxygenase-2 enzymes while blocking pro-inflammatory cytokines like TNF-α and IL-6. The phenolic hydroxyl groups in curcumin directly neutralize hydroxyl radicals and other reactive oxygen species.
Clinical Narrative (Provisional)
Multiple randomized controlled trials with 50-200 participants demonstrate curcumin's anti-inflammatory effects at doses of 500-1000mg daily. Studies show significant reductions in C-reactive protein and inflammatory markers compared to placebo over 8-12 week periods. Hepatoprotective effects have been observed in animal models, showing 10-fold greater protective efficiency than controls, though human clinical data remains limited. The evidence is strongest for anti-inflammatory applications, with moderate evidence for antioxidant benefits.
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