Herbs (Global Traditional) · Ayurveda
Sida cordifolia
Moderate Evidencebotanical
Hermetica Superfood Encyclopedia
Sida cordifolia is an Ayurvedic herb containing ephedrine alkaloids that acts as a central nervous system stimulant and β2-adrenergic receptor agonist. It demonstrates neuroprotective effects through antioxidant mechanisms and accelerates wound healing via enhanced re-epithelialization.
Sida cordifolia is a perennial shrub native to India, tropical Africa, and parts of South America, belonging to the Malvaceae family and commonly known as Country Mallow or Bala in Ayurveda. The plant is processed using various extraction methods including methanol, ethanol, ethyl acetate, or aqueous preparations to isolate bioactive compounds from the whole plant, roots, leaves, or seeds.
Current evidence is limited to preclinical studies with no human clinical trials identified. Key research includes neuroprotective effects in transgenic C. elegans models (PMIDs: 37861013, 40177520), wound healing in rats (PMID: 30769040), and antimalarial activity in mice. Studies also demonstrate adaptogenic (PMID: 36975210) and analgesic properties (PMID: 37640257) in rodent models.
No human clinical dosages have been established. Preclinical studies used 1 μg/mL methanolic extracts in C. elegans models and topical hydrogel formulations for wound healing in rats. Traditional Ayurvedic preparations vary widely without standardization. Consult a healthcare provider before starting any new supplement.
Sida cordifolia is not consumed as a food/nutrient source but is valued for its bioactive phytochemical profile in Ayurvedic medicine. Key bioactive compounds and their approximate concentrations include: **Alkaloids:** Ephedrine (0.065–0.12% in whole plant, up to 0.85% in seeds), pseudoephedrine (trace to 0.03%), vasicinone, vasicine (vasicinol), and cryptolepine. **Flavonoids:** Kaempferol, quercetin, and their glycosides (collectively ~0.5–1.2% dry weight in aerial parts); chrysoeriol; apigenin. **Phytosterols:** β-sitosterol (~0.1–0.3% dry weight), stigmasterol, campesterol. **Fatty acids (seed oil, ~7–10% of seed weight):** Sterculic acid (~8–12% of total seed oil fatty acids), malvalic acid (~3–6%), palmitic acid (~25%), oleic acid (~15%), linoleic acid (~30%). **Polysaccharides/Mucilage:** Crude mucilage content ~6–10% in root bark, containing galactose, rhamnose, and uronic acid residues. **Other bioactive compounds:** Ecdysterone (phytoecdysteroid, ~0.01–0.05%), choline, betaine, stearic acid, palmitone, and traces of essential oil (~0.01–0.05%) containing linalool and borneol. **Minerals (in dried leaf/root):** Potassium (~1.2–1.8%), calcium (~0.8–1.5%), magnesium (~0.3–0.6%), iron (~120–350 ppm), zinc (~30–60 ppm), manganese (~40–80 ppm). **Crude fiber:** ~12–18% in dried aerial parts. **Crude protein:** ~8–14% in dried leaves. **Tannins:** ~2–4% (condensed and hydrolyzable). **Saponins:** Present in root (~1–2% dry weight). **Bioavailability notes:** Ephedrine and pseudoephedrine are readily bioavailable orally (>85% absorption in humans). Flavonoid glycosides have moderate oral bioavailability (~10–30%), improved by traditional Ayurvedic preparations with lipid vehicles (ghee-based formulations) or co-administration with piperine. Mucilage polysaccharides are largely non-absorbable but exert local gastrointestinal effects and may act as prebiotics. β-sitosterol bioavailability is inherently low (~5–10%) but may be enhanced in decoction or milk-based Ayurvedic preparations. Ecdysterone shows moderate oral bioavailability (~25–30%) with rapid hepatic metabolism.
Sida cordifolia's primary bioactive compounds are ephedrine alkaloids, which stimulate β2-adrenergic receptors and increase norepinephrine and dopamine levels. The herb's antioxidant compounds suppress protein aggregation and reduce oxidative stress through free radical scavenging mechanisms. These dual pathways contribute to neuroprotective effects and enhanced cellular repair processes.
Current evidence for Sida cordifolia is limited to preclinical studies. In C. elegans models of Huntington's disease, the herb demonstrated significant neuroprotective effects by suppressing protein aggregates and extending lifespan. Animal wound healing studies showed accelerated re-epithelialization in dexamethasone-delayed wounds through antioxidant mechanisms. Human clinical trials are lacking, limiting the translation of these promising preclinical findings to therapeutic applications.
Sida cordifolia contains ephedrine alkaloids, which can cause increased heart rate, blood pressure elevation, and CNS stimulation. The herb may interact with MAO inhibitors, stimulants, and cardiovascular medications due to its adrenergic properties. It should be avoided during pregnancy and breastfeeding due to potential stimulant effects on the fetus. Individuals with hypertension, heart disease, or anxiety disorders should exercise caution when considering this supplement.
