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
Adhatoda vasica is a medicinal plant containing vasicine and vasicinone alkaloids that provide bronchodilatory and expectorant effects through smooth muscle relaxation. The herb demonstrates antimicrobial and anti-inflammatory properties primarily used for respiratory conditions in traditional Siddha medicine.
Origin & History
Adhatoda vasica (also known as Adathodai or Vasaka) is a perennial shrub native to India and Southeast Asia, belonging to the Acanthaceae family. The leaves are harvested and processed through traditional bolus methods, steaming under pressure, or solvent extraction to yield juice or extracts rich in quinazoline alkaloids like vasicine and vasicinone.
Research Narrative (Provisional)
The research dossier reveals a notable absence of human clinical trials, RCTs, or meta-analyses for Adhatoda vasica, with no PubMed PMIDs provided for human studies. Current evidence is limited to preclinical pharmacological studies in vitro and animal models, though the plant-derived compound bromhexine has achieved over-the-counter status in Europe as a mucolytic agent.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Adathodai (Adhatoda vasica) is a medicinal herb rather than a dietary staple, so conventional macronutrient profiling is limited; however, documented phytochemical and partial nutritional data include: Alkaloids (primary bioactive fraction): Total alkaloid content approximately 0.541–1.0% dry weight of leaves, dominated by Vasicine (peganine) at ~0.5–0.8% dry weight and Vasicinone at ~0.05–0.1% dry weight, with minor alkaloids including vasicinol, vasicol, adhatodine, adhavasinone, and maiontone. Flavonoids: Total flavonoid content approximately 12–18 mg quercetin equivalents per gram dry extract; identified compounds include apigenin, kaempferol, quercetin glycosides, and astragalin. Phenolic compounds: Total phenolic content approximately 45–65 mg gallic acid equivalents per gram dry extract; includes caffeic acid, ferulic acid, and tannic acid derivatives. Essential oils: Approximately 0.02–0.05% in fresh leaves, containing β-sitosterol and related sterols. Crude fiber: Approximately 15–22% dry weight in leaf material. Crude protein: Approximately 8–12% dry weight, though bioavailability from this source is negligible in typical medicinal doses. Minerals (per 100g dry leaf): Calcium approximately 1,200–1,800 mg, Iron approximately 15–28 mg, Potassium approximately 800–1,200 mg, Magnesium approximately 180–250 mg, Zinc approximately 3–6 mg, Phosphorus approximately 200–300 mg. Vitamins: Vitamin C approximately 150–200 mg per 100g fresh leaf weight; small amounts of B-complex vitamins (thiamine, riboflavin) detected but concentrations pharmacologically insignificant. Bioavailability notes: Vasicine and vasicinone are well-absorbed via oral route and reach systemic circulation; however, vasicine undergoes rapid oxidation to vasicinone in vivo. Phenolic compounds have moderate bioavailability, limited by tannin-protein binding. Herb is consumed almost exclusively as decoction, extract, or syrup in doses of 5–30 mL (decoction) or 1–3g dry leaf equivalent, making macronutrient contribution to diet negligible; bioactive alkaloid content is the primary therapeutic fraction of interest.
Reported Mechanism (Provisional)
Vasicine and vasicinone alkaloids in Adhatoda vasica act as bronchodilators by relaxing smooth muscle in airways through calcium channel blockade and beta-adrenergic stimulation. The antimicrobial activity occurs through disruption of bacterial cell wall synthesis and protein denaturation. Anti-inflammatory effects involve inhibition of cyclooxygenase and lipoxygenase pathways, reducing prostaglandin and leukotriene production.
Clinical Narrative (Provisional)
Most evidence comes from preclinical studies and traditional use documentation rather than controlled human trials. In vitro studies demonstrate antimicrobial activity against Staphylococcus aureus, E. coli, and Mycobacterium tuberculosis with MIC values ranging 12.5-50 μg/mL. Animal studies show bronchodilatory effects comparable to theophylline at 200-400 mg/kg doses. Limited human clinical data exists, with small observational studies suggesting improved cough symptoms, but larger randomized controlled trials are needed to establish clinical efficacy.
Also Known As
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