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
Ceylon cinnamon (Cinnamomum verum) contains cinnamaldehyde and proanthocyanidins that support glucose metabolism and cardiovascular health. These compounds work by enhancing insulin sensitivity and reducing inflammatory markers associated with metabolic dysfunction.
Origin & History
Ceylon Cinnamon (Cinnamomum verum) is a spice derived from the inner bark of an evergreen tree native to Sri Lanka and southern India. The bark is peeled from branches and curls into quills as it dries. For clinical research, water extracts are often produced by boiling and concentrating the bark.
Research Narrative (Provisional)
Clinical evidence includes a phase I trial in 30 healthy adults showing cholesterol reduction (PMID: 28962661) and a randomized controlled trial in 210 type 2 diabetes patients demonstrating improved glycemic control and lipid profiles (PMID: 41412108). However, meta-analyses report mixed results on its glycemic effects, highlighting the need for larger, longer-term studies (PMIDs: 24019277, 35365881).
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Ceylon Cinnamon (Cinnamomum verum) bark powder (per 100g serving as reference): Calories ~247 kcal, Carbohydrates ~80.6g (of which dietary fiber ~53.1g, representing its dominant macronutrient), Protein ~3.99g, Total Fat ~1.24g (primarily linolenic and oleic acids). Key Micronutrients: Calcium ~1002mg (high bioavailability concern due to lower oxalate content vs. Cassia), Iron ~8.32mg, Manganese ~17.5mg (exceptionally high, ~760% DV), Magnesium ~60mg, Phosphorus ~64mg, Potassium ~431mg, Vitamin K ~31.2mcg, Vitamin A ~15 IU, small amounts of B vitamins (B1 ~0.022mg, B2 ~0.041mg, B6 ~0.158mg). Bioactive Compounds: Cinnamaldehyde (primary volatile oil constituent, ~50-90% of essential oil, responsible for flavor and many bioactivities), Eugenol (~1-5% of essential oil, significantly higher proportion than in Cassia, contributing anti-inflammatory properties), Cinnamyl acetate, Linalool, and Beta-caryophyllene in the essential oil fraction. Polyphenols: Procyanidin type-A polymers (condensed tannins, primarily cinnamtannin B1), Epicatechin, Catechin, and Quercetin glycosides (~8,000-12,000 mg gallic acid equivalents per 100g ORAC value). Type-A procyanidins are linked to insulin-mimetic activity. Crucially, Ceylon cinnamon contains very low levels of Coumarin (<0.004% dry weight, approximately 0.017mg/g vs. Cassia's 1-12mg/g), making it significantly safer for regular consumption. The water-soluble polyphenolic polymer fraction (MHCP - methylhydroxychalcone polymer) at estimated 1-3% dry weight is considered a primary contributor to glycemic benefits. Fiber is predominantly insoluble (~80% of total fiber), with some pectin fractions. Bioavailability notes: Cinnamaldehyde is rapidly absorbed through the GI tract but undergoes extensive first-pass metabolism to cinnamic acid and hippuric acid; bioavailability of intact cinnamaldehyde is low but metabolites remain biologically active. Polyphenol absorption is moderate and enhanced with fat co-ingestion; the polymer MHCP may have limited direct absorption but exerts local intestinal effects.
Reported Mechanism (Provisional)
Ceylon cinnamon's primary bioactive compound cinnamaldehyde activates insulin receptors and enhances glucose uptake in skeletal muscle cells. Proanthocyanidins inhibit α-glucosidase and α-amylase enzymes, slowing carbohydrate digestion and glucose absorption. The compound also modulates HMG-CoA reductase activity, contributing to cholesterol-lowering effects.
Clinical Narrative (Provisional)
A phase I trial in 30 healthy adults showed daily doses up to 500 mg significantly reduced total cholesterol and LDL-cholesterol levels. A 4-month randomized controlled trial with 210 type 2 diabetes patients demonstrated improved glycemic control parameters. Current evidence is preliminary but promising, with most studies using standardized extracts containing 1-3% cinnamaldehyde. Larger, longer-term trials are needed to establish definitive therapeutic protocols.
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