Herbs (Global Traditional) · Ayurveda
Kanchanar (Bauhinia variegata) (Bauhinia variegata)
Moderate Evidencebotanical
Hermetica Superfood Encyclopedia
Kanchanar (Bauhinia variegata) contains flavonoids like quercetin and rutin that provide hepatoprotective and antioxidant effects. These compounds reduce lipid peroxidation and help maintain healthy liver enzyme levels through antioxidant mechanisms.
Kanchanar (Bauhinia variegata) is a medium-sized deciduous tree native to India, extending from the Indus region through forests of India and Burma. The medicinal parts include stem bark, flowers, roots, leaves, and seeds, typically extracted via decoction or with solvents like ethanol, methanol, or ethyl acetate for therapeutic preparations.
Clinical evidence for Kanchanar is limited to preclinical studies, with no human randomized controlled trials or meta-analyses identified. The only PubMed-cited study (PMID: 17827931) evaluated hepatoprotective effects in animal models using ethanolic bark extract. Human safety data, clinical dosing studies, and pharmacokinetic research are notably absent from the available literature.
No clinically studied dosage ranges are available as human trials have not been conducted. Traditional Ayurvedic formulations like Kanchnar Guggul use stem bark powder or decoctions, but specific standardization and doses are not quantified in research. Consult a healthcare provider before starting any new supplement.
Kanchanar (Bauhinia variegata) bark, leaves, and flowers contain a range of bioactive phytochemicals with limited but emerging quantitative data. Flavonoids are the most characterized class: quercetin and rutin are present in bark extracts at approximately 0.8–2.1 mg/g dry weight and 0.5–1.4 mg/g dry weight respectively, based on HPLC analyses in published phytochemical screenings. Total flavonoid content of bark extract has been reported at 12–18 mg quercetin equivalents/g extract. Total phenolic content ranges from 45–85 mg gallic acid equivalents/g dry extract depending on solvent polarity used. Triterpenoids including lupeol and beta-sitosterol are present in the bark at trace concentrations (<0.5% w/w). Tannins (hydrolyzable type) contribute significantly to astringency, estimated at 8–15% w/w in bark. Glycosides including flavonoid glycosides (vitexin derivatives) have been isolated from flowers. The plant is not a significant dietary macronutrient source; protein content of leaves is approximately 15–20% on a dry weight basis, making young leaves nutritionally relevant in traditional food use. Crude fiber content of bark is high (~25–30% dry weight), primarily as cellulose and lignin. Mineral composition includes calcium (~1.2 g/100g dry leaf), iron (~28 mg/100g dry leaf), and phosphorus (~180 mg/100g dry leaf) based on limited ash analysis studies. Bioavailability notes: flavonoid bioavailability is expected to be moderate and enhanced by co-administration with lipids; quercetin from plant matrices typically shows 20–50% absorption in humans. Tannin content may reduce iron bioavailability through chelation. Aqueous decoctions (traditional Ayurvedic preparation) favor extraction of tannins and polar flavonoids, while ethanolic extracts capture a broader terpenoid and flavonoid spectrum.
Kanchanar's primary bioactive compounds quercetin and rutin act as antioxidants by scavenging free radicals and reducing lipid peroxidation in liver cells. These flavonoids help maintain cellular membrane integrity and reduce oxidative damage to hepatocytes. The hepatoprotective effects occur through modulation of liver enzyme activity, particularly alkaline phosphatase and bilirubin metabolism.
Animal studies demonstrate kanchanar's hepatoprotective effects, with one study (PMID: 17827931) showing significant reductions in liver enzymes including alkaline phosphatase and bilirubin levels. Preclinical research supports antioxidant activity through flavonoid compounds, but human clinical trials are currently lacking. The evidence remains limited to laboratory and animal models, requiring further human studies to establish therapeutic efficacy and optimal dosing protocols.
Safety data for kanchanar in humans is limited due to lack of clinical trials. No specific drug interactions have been documented, though theoretical interactions may occur with hepatic medications due to its liver-affecting properties. Pregnancy and breastfeeding safety has not been established through clinical research. As with other Ayurvedic herbs, consultation with healthcare providers is recommended before use, especially for individuals with liver conditions or those taking medications.
