Palash

Butea monosperma

Palash (Butea monosperma), also known as "Flame of the Forest," is a vibrant Ayurvedic tree, prevalent across the Indian subcontinent. Its bark, flowers, and buds are traditionally used. It is supposedly beneficial for balancing Vata and Pitta doshas while increasing Kapha, often claimed to support digestive and urinary health.

PLANT FAMILY

Fabaceae (Legume)

PARTS USED

Bark, Flowers, Buds

AYURVEDIC ACTION

Vata ↓, Pitta ↓, Kapha ↑

ACTIVE COMPOUNDS

Flavonoids (1-3%)

What is Palash?

Palash, known scientifically as Butea monosperma, is a vibrant deciduous tree belonging to the Fabaceae (Legume) family, native to tropical and subtropical parts of the Indian subcontinent and Southeast Asia. It's instantly recognizable by its striking, flame-like orange-red flowers that bloom in abundance, often before the new leaves emerge, transforming landscapes into a fiery spectacle.

Beyond its ornamental appeal, the tree yields distinctive flat, single-seeded pods and is traditionally valued for its bark, flowers, and buds. Its resilience allows it to thrive in diverse environments, from dry grasslands to open forests, playing a significant ecological role.

Other Names of Palash

Flame of the Forest
Bastard Teak
Parrot Tree
Kimshuk
Dhak

Benefits of Palash

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<h3> Absolute Contraindications of Palash </h3> <h4>Pregnancy / early pregnancy (risk to implantation and pregnancy)</h4> <ul> <li> 🤰 <li> Recommendation: Avoid Palash (especially seed or concentrated extracts) during pregnancy or when trying to conceive. If pregnant or suspect pregnancy, stop and consult your healthcare provider. <li> Reasoning: Animal studies of isolated seed compounds (butin) and seed extracts produced anti-implantation and resorption effects in rodents, indicating potential to prevent implantation or cause pregnancy loss at experimental doses. <li> Scientific_Study_Title: Estrogenic and postcoital anticonceptive activity in rats of butin isolated from Butea monosperma seed <li> Scientific_Study_Authors: Khare CP, Ramachandran S, (et al - original paper lists authors; indexed under PMID 3821138) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/3821138/ <li> Scientific_Study_Excerpt: <p>Animal experiments administering butin (a seed flavonoid isolated from Butea monosperma) to female rats from day 1 to day 5 of pregnancy produced dose-dependent anti-implantation and post-coital contraceptive effects. At higher doses a large proportion of treated animals showed termination of early pregnancy and reduced number of implantation sites. The compound exhibited weak estrogenic (uterotrophic) effects in ovariectomized rats at doses lower than those causing anti-implantation, indicating hormonal activity that can disturb normal implantation and early gestational processes.</p> <p>The study’s findings are based on controlled dosing in rodents and indicate biological plausibility for reproductive risk with exposure to concentrated seed constituents; caution is therefore advised for use during pregnancy or when conception is planned.</p> </li> </ul> <h4>Women seeking fertility / fertility preservation</h4> <ul> <li> 🚫 <li> Recommendation: Women attempting to conceive should avoid Palash seed preparations and concentrated extracts; consult fertility provider before use. <li> Reasoning: Seed extracts in animal models produced antifertility effects including reduced implantation, resorption of embryos and diminished offspring numbers - indicating a risk to fertility with certain preparations. <li> Scientific_Study_Title: Antifertility effect and some pharmacological actions of Butea frondosa seed extracts <li> Scientific_Study_Authors: Studies indexed (authors vary by paper; see PMID record) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/5382965/ <li> Scientific_Study_Excerpt: <p>Experimental work on alcoholic and other seed extracts of Butea frondosa (synonym Butea monosperma) administered to female rodents post-mating showed marked antifertility effects. Complete resorption of implants and substantial reduction in litter size were reported in several treated animals. Some extracts inhibited ovulation and produced abortifacient outcomes at higher doses. These pharmacological effects were observed with concentrated extracts and in controlled animal settings.</p> <p>The authors note that the antifertility activity appears preparation- and dose-dependent; nonetheless, the results provide experimental evidence that seed extracts can impair reproductive processes and therefore should be avoided by those desiring pregnancy.</p> </li> </ul> <h4>Anemia or low blood counts (caution with seed powder / chronic high dose)</h4> <ul> <li> 🩸 <li> Recommendation: Avoid prolonged high-dose seed powder or concentrated preparations if you have anemia or low red blood cell counts; seek medical advice and blood testing before use. <li> Reasoning: Chronic oral administration of seed powder in animal studies produced reductions in hemoglobin, RBC count and hematocrit, suggesting possible adverse hematologic effects with long-term high dosing. <li> Scientific_Study_Title: Chronic toxicity study of Butea monosperma (Linn.) Kuntze seeds in albino rats <li> Scientific_Study_Authors: (authors as listed in the PubMed record; see PMID details) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/22131770/ <li> Scientific_Study_Excerpt: <p>In a 90-day oral toxicity study, albino rats given seed powder of Butea monosperma (800 mg/kg/day) showed statistically significant decreases in hemoglobin concentration, red blood cell count and hematocrit compared with controls. Several biochemical parameters were also altered (decreases in total protein and albumin; increases in some lipids), though gross organ weights were not markedly changed.</p> <p>The investigators concluded that prolonged exposure to high doses of seed powder produced measurable hematological and biochemical effects in rodents, supporting caution in long-term or high-dose use, especially among those with existing blood disorders.</p> </li> </ul> <h3> Relative Contraindications of Palash </h3> <h4>Use with blood-glucose lowering medications (risk of additive hypoglycemia)</h4> <ul> <li> ⚖️ <li> Recommendation: If you take prescription diabetes medications, consult your physician before using Palash extracts; blood glucose should be monitored closely if combined. <li> Reasoning: Some animal studies report antihyperglycemic effects from Butea extracts (improved glucose tolerance and reduced blood glucose), which raises the possibility of additive lowering when used with antidiabetic drugs. <li> Scientific_Study_Title: Antidiabetic potential of Butea monosperma in rats <li> Scientific_Study_Authors: (see PubMed record for authors; PMID 16376023) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/16376023/ <li> Scientific_Study_Excerpt: <p>In glucose-loaded and alloxan-induced diabetic rat models, ethanolic Butea monosperma extract (200 mg/kg) improved glucose tolerance and reduced blood glucose in diabetic animals; repeated dosing over two weeks also lowered serum cholesterol and favorably altered HDL and albumin. These results suggest potential glucose-lowering activity in some extracts and preparations under experimental conditions.</p> <p>Because such glucose-modulating effects were seen in animals, combining Palash extracts with hypoglycemic medications could increase the risk of low blood sugar unless dosing and glucose are supervised by a clinician.</p> </li> </ul> <h4>Use with antiepileptic/neurological medicines (unpredictable additive or opposing effects)</h4> <ul> <li> ⚠️ <li> Recommendation: If you take seizure medications, discuss Palash use with your neurologist; do not self-medicate with concentrated extracts. <li> Reasoning: Specific constituents and fractions showed anticonvulsant activity in animal tests; this could theoretically modify seizure threshold or interact pharmacodynamically with anticonvulsant drugs. <li> Scientific_Study_Title: Anticonvulsive activity of Butea monosperma flowers in laboratory animals <li> Scientific_Study_Authors: (see PubMed record; PMID 12062587) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/12062587/ <li> Scientific_Study_Excerpt: <p>Bioassay-guided fractionation of flower extracts identified a triterpene fraction (TBM) that protected against experimentally induced seizures in rodent models (maximum electroshock and chemical seizure models). The fraction had measurable anticonvulsant potency in multiple seizure paradigms, indicating CNS-active pharmacology in certain constituents.</p> <p>Given these CNS effects in animals, combining Palash extracts with antiepileptic drugs could alter seizure control or drug levels; clinical interaction data are lacking, so caution is warranted.</p> </li> </ul> <h4>Use in liver-disease patients on multiple hepatically-metabolized drugs (monitoring advised)</h4> <ul> <li> 🩺 <li> Recommendation: If you have chronic liver disease or take many medications cleared by the liver, consult your hepatologist before using concentrated Palash extracts; monitor liver tests if started. <li> Reasoning: While many studies show hepatoprotective actions, bioactive constituents modulate hepatic signalling pathways (e.g., PI3K/Akt/mTOR) and antioxidant enzymes; this suggests potential for pharmacodynamic or metabolic interactions with other hepatically-active drugs. <li> Scientific_Study_Title: Hepatoprotective activity of Butea monosperma bark against thioacetamide-induced liver injury in rats <li> Scientific_Study_Authors: (see PubMed record; PMID 28237915) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/28237915/ <li> Scientific_Study_Excerpt: <p>Ethyl acetate fractions from Butea monosperma bark demonstrated antioxidant and hepatoprotective effects in a rat model of chemical liver injury, normalizing serum markers and restoring antioxidant enzyme activity. Immunohistochemistry indicated inhibition of activated PI3K/Akt/mTOR signalling in hepatocytes following toxin exposure and fraction pretreatment.</p> <p>Although these data are consistent with liver-protective potential, the same biochemical pathway modulation implies possible interactions with drugs that act on or are metabolized via hepatic signalling and enzymes; clinical interaction studies are not available, so monitored use is advised.</p> </li> </ul>

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<h4>Reproductive effects (risk to pregnancy and fertility)</h4> <ul> <li> 🤱 <li> Side effect summary: Experimental seed constituents and extracts produced anti-implantation, abortifacient and antifertility effects in animal studies. <li> Recommendation: Do not use Palash seed or strong extracts during pregnancy or when trying to conceive; seek medical advice if exposed. <li> Reasoning: Animal data show both estrogenic activity and direct anti-implantation/resorption effects at experimental doses, indicating reproductive toxicity potential with concentrated preparations. <li> Severity Level: Severe <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Estrogenic and postcoital anticonceptive activity in rats of butin isolated from Butea monosperma seed <li> Scientific_Study_Authors: (see PubMed record; PMID 3821138) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/3821138/ <li> Scientific_Study_Excerpt: <p>Butin administered to female rats during early pregnancy produced a dose-dependent reduction in implantation and increased termination of pregnancy. The compound showed uterotrophic (estrogenic) activity in ovariectomized animals even at doses below those causing anti-implantation, indicating hormonal effects that can disrupt early pregnancy stages.</p> <p>These experimental results support classification of reproductive risk for concentrated seed constituents and seed extracts and justify avoidance during pregnancy or when fertility is desired.</p> </li> </ul> <h4>Hematologic changes (lowered hemoglobin and red cell indices with prolonged high-dose seed use)</h4> <ul> <li> 🩺 <li> Side effect summary: Long-term high-dose seed powder in animal studies produced decreases in hemoglobin, RBC count and hematocrit. <li> Recommendation: Avoid chronic high-dose seed powder if you have anemia or blood disorders; monitor blood counts if prolonged use is considered. <li> Reasoning: Controlled toxicity testing showed measurable hematological declines after 90 days of high dose seed administration in rodents. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Chronic toxicity study of Butea monosperma (Linn.) Kuntze seeds in albino rats <li> Scientific_Study_Authors: (see PubMed record; PMID 22131770) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/22131770/ <li> Scientific_Study_Excerpt: <p>Rats treated with Butea monosperma seed powder (800 mg/kg/day) for 90 days showed significant reductions in hemoglobin, red blood cell count and hematocrit relative to controls. Some biochemical changes (total protein, albumin, bilirubin alterations, and lipid changes) were also observed, though organ weights were largely unaffected.</p> <p>The authors concluded that high-dose chronic intake produced hematological and biochemical changes, supporting caution for long-term or high-dose use, especially when baseline blood counts are low.</p> </li> </ul> <h4>Gastrointestinal upset and idiosyncratic reactions (reported but poorly quantified)</h4> <ul> <li> 🤢 <li> Side effect summary: Mild GI symptoms (nausea, dyspepsia) and occasional idiosyncratic reactions are documented in traditional use reports; robust clinical trial evidence is lacking. <li> Recommendation: If you develop persistent GI symptoms after starting Palash preparations, stop and consult a clinician. For severe reactions, seek immediate care. <li> Reasoning: Clinical safety data are limited; absence of strong safety trials means uncommon adverse reactions may be under-reported; no clear PubMed clinical trial with systematic adverse event reporting was found. <li> Severity Level: Mild <li> Scientific_Study_Available: NA <li> Scientific_Study_Title: NA <li> Scientific_Study_Authors: NA <li> Scientific_Study_Link: NA <li> Scientific_Study_Excerpt: NA </li> </ul>

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<h4>Hormonal drugs / oral contraceptives / estrogen therapies</h4> <ul> <li> Interaction_Details: Palash seed constituent butin has estrogenic and post-coital contraceptive effects in animal models; this suggests possible pharmacodynamic interaction with hormone therapies or contraceptives (may reduce effectiveness of fertility or unpredictably modify hormone action). <li> Severity: Moderate <li> Recommendation: Avoid using concentrated seed extracts or high-dose preparations with hormonal therapy or when relying on hormonal contraception; discuss with your prescriber. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/3821138/ <li> Scientific_Study_Title: Estrogenic and postcoital anticonceptive activity in rats of butin isolated from Butea monosperma seed <li> Scientfic_Study_Authors: (see PubMed record; PMID 3821138) <li> Scientific_Study_Excerpt: <p>In rodent experiments, butin produced uterotrophic (estrogenic) effects in ovariectomized rats and prevented implantation when given during early pregnancy. The compound’s estrogen-like activity at certain doses indicates it can modulate reproductive hormonal physiology in vivo. Although direct clinical interaction data with human hormonal drugs are not available, the animal pharmacology supports a plausible interaction risk with estrogenic or anti-estrogenic therapies.</p> </li> </ul> <h4>Antidiabetic drugs (insulin, sulfonylureas, metformin and others)</h4> <ul> <li> Interaction_Details: Some Butea extracts have shown glucose-lowering effects in animal models, so there is potential for additive hypoglycemia when combined with prescription hypoglycemic agents. <li> Severity: Moderate <li> Recommendation: If using antidiabetic medicines, consult your prescribing clinician before starting Palash; monitor blood glucose closely and adjust medications only under medical supervision. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/16376023/ <li> Scientific_Study_Title: Antidiabetic potential of Butea monosperma in rats <li> Scientfic_Study_Authors: (see PubMed record; PMID 16376023) <li> Scientific_Study_Excerpt: <p>In glucose-loaded and chemically induced diabetic rat models, ethanolic extracts produced improved glucose tolerance and decreased blood glucose at the tested dose; repeated administration also favorably affected lipid parameters. These experimental effects suggest Palash preparations can alter glucose homeostasis in animals, implying potential interaction with conventional antidiabetic therapy in humans unless carefully supervised.</p> </li> </ul> <h4>Antiepileptic / CNS depressant drugs</h4> <ul> <li> Interaction_Details: Flower fractions exhibited anticonvulsant activity in animal seizure models; this indicates potential to modify seizure threshold or interact with anticonvulsant drug effects (either additive or-less likely-antagonistic). <li> Severity: Moderate <li> Recommendation: Avoid initiating concentrated Palash extracts if you are on antiepileptic medication without neurologist approval; if exposure occurs, monitor seizure control closely. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/12062587/ <li> Scientific_Study_Title: Anticonvulsive activity of Butea monosperma flowers in laboratory animals <li> Scientfic_Study_Authors: (see PubMed record; PMID 12062587) <li> Scientific_Study_Excerpt: <p>Fractionation of Butea monosperma flower extracts identified a triterpene fraction (TBM) that produced measurable anticonvulsant effects across multiple experimental seizure models in rodents, including electroshock and chemical seizures. The observed CNS activity highlights a plausible pharmacodynamic interaction with prescription anticonvulsants, suggesting need for caution and specialist consultation when combining such treatments.</p> </li> </ul>