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
Horehound contains marrubiin, a diterpenoid, along with phenolic compounds and flavonoids. It primarily acts as an expectorant by stimulating mucous secretion and may exhibit antioxidant and anti-inflammatory properties.
Origin & History
Horehound (Marrubium vulgare) is a perennial herbaceous plant native to Europe, northern Africa, and western Asia, belonging to the Lamiaceae family. It is sourced from the aerial parts of the plant, with extracts typically obtained via methanolic or hydroalcoholic extraction methods. The plant contains labdane diterpenes as its characteristic compounds, with marrubiin being the primary marker compound.
Research Narrative (Provisional)
The research dossier reveals a complete absence of human clinical trials, RCTs, or meta-analyses for Marrubium vulgare. No PubMed PMIDs for human studies are available, with evidence limited to preclinical phytochemical analyses and in vitro pharmacological studies focusing on antioxidant and anti-inflammatory properties.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
{"macronutrients": {"fiber": "Approximately 8-10% of dry weight", "protein": "Low, approximately 2-3% of dry weight"}, "micronutrients": {"vitamin_C": "Trace amounts, not a significant source", "iron": "Approximately 1-2 mg per 100g of dry weight", "calcium": "Approximately 150-200 mg per 100g of dry weight"}, "bioactive_compounds": {"phenolic_acids": "Chlorogenic acid, approximately 0.5-1% of dry weight", "flavonoids": "Luteolin and apigenin derivatives, approximately 0.2-0.5% of dry weight", "diterpenoids": "Marrubiin, approximately 0.3-0.6% of dry weight"}, "bioavailability_notes": "The bioavailability of phenolic compounds and flavonoids may be influenced by factors such as preparation method and individual digestive health. Marrubiin is considered to have moderate bioavailability in traditional preparations."}
Reported Mechanism (Provisional)
Horehound's primary expectorant action is attributed to marrubiin, which stimulates reflex secretion of respiratory mucus, aiding in congestion relief. Its potential anti-inflammatory effects may involve the inhibition of nitric oxide production, while phenolic compounds and flavonoids contribute to its antioxidant capacity by neutralizing free radicals.
Clinical Narrative (Provisional)
Currently, clinical evidence supporting horehound's health benefits in humans is very limited. Most findings regarding its antioxidant potential, linked to phenolic compounds and flavonoids, stem from in vitro studies. While traditionally used as an expectorant, no robust human clinical trials have substantiated this effect or its proposed anti-inflammatory actions.
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