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
Marshmallow root (Althaea officinalis) contains mucilage polysaccharides that form protective films on mucous membranes. The herb works primarily through hyaluronidase inhibition and mechanical barrier formation to soothe throat and digestive tract irritation.
Origin & History
Marshmallow (Althaea officinalis) is a perennial herb native to Europe, Western Asia, and North Africa, with medicinal preparations derived from its roots, leaves, and flowers. The plant material is typically extracted using polar solvents like methanol-water or ethanol-water mixtures under ultrasonic treatment, yielding approximately 8% extract from dry weight.
Research Narrative (Provisional)
Human clinical trials on Althaea officinalis are notably absent from current research. Available evidence comes primarily from in vitro studies showing hyaluronidase-1 inhibition (IC50 7.7 mg/mL) and animal models, including a rat gastric ulcer study and a fish feeding trial that showed concerning liver enzyme elevations at 10 g/kg feed.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Marshmallow root (Althaea officinalis) is primarily valued for its bioactive compounds rather than macronutrient density. Macronutrients per 100g dried root: carbohydrates approximately 60-70g (dominated by polysaccharides), protein approximately 5-10g (including lectins and enzymes), fat approximately 1-2g. Fiber content is high, estimated 25-35g per 100g dried root, largely composed of mucilaginous polysaccharides. Key bioactive polysaccharides include glucuronoarabinoxylans, rhamnogalacturonans, and arabinogalactans, with mucilage content ranging 5-10% in dried root and up to 35% in dried leaves; these form viscous gels in aqueous solution (bioavailability note: largely non-digestible, acting topically on mucosal surfaces rather than systemically absorbed). Pectin content approximately 11% in root. Flavonoids present include kaempferol, quercetin, and luteolin at concentrations of approximately 0.1-0.5% dry weight combined; bioavailability moderate, subject to first-pass metabolism. Phenolic acids include caffeic acid, chlorogenic acid, hydroxycinnamic acid derivatives at approximately 0.05-0.2% dry weight. Coumarins (scopoletin) present in trace amounts. Asparagine, one of the primary free amino acids, is notably concentrated. Minerals include calcium (approximately 250-300mg/100g dried), potassium (approximately 400-500mg/100g dried), magnesium (approximately 50-80mg/100g dried), iron (approximately 5-8mg/100g dried), with bioavailability of minerals potentially reduced due to high polysaccharide and pectin binding. Vitamin content is modest: trace amounts of B vitamins and small quantities of vitamin C (approximately 10-20mg/100g fresh herb, largely degraded on drying). Phytosterols including beta-sitosterol present at low concentrations. Tannin content is low relative to other medicinal herbs, approximately 0.5-1%, which limits astringency. Mucilage polysaccharides are poorly absorbed systemically but demonstrate high local bioavailability on mucosal contact, forming a physical protective coating; flavonoids exhibit moderate intestinal absorption estimated at 20-40% of ingested dose.
Reported Mechanism (Provisional)
Marshmallow root's mucilage polysaccharides form protective films on epithelial surfaces, reducing direct irritant contact. The herb inhibits hyaluronidase enzyme activity, which helps maintain tissue integrity and reduces inflammatory responses. Antioxidant compounds including flavonoids scavenge ABTS•+ and hypochlorite radicals, providing additional cellular protection.
Clinical Narrative (Provisional)
Current evidence for marshmallow root comes primarily from in vitro and animal studies rather than human clinical trials. Laboratory studies demonstrate hyaluronidase inhibition and antioxidant activity against specific free radicals. Animal models show reduced gastric inflammation, but human studies with measurable endpoints are lacking. The evidence base relies heavily on traditional use patterns and mechanistic studies rather than controlled clinical data.
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