Palasha in Ayurveda: Properties & Everyday Use

What it is

Palasha is Butea monosperma (Lam.) Kuntze (syn. B. frondosa), a medium-sized deciduous tree of the pea family (Fabaceae) found across most of India (Ayurvedic Pharmacopoeia of India, Part I Vol. IV). The tree's striking flowers give it the English name "flame of the forest" (same monograph). The API's official drug is the dried flower, though seeds, bark, leaves, and the ruby-red gum exudate (Bengal kino) are also used in classical practice (API monograph; Springer botanical summary).

Classical properties

• Taste (rasa): bitter (Tikta), pungent (Katu)
• Qualities (guna): light (Laghu), dry (Ruksha)
• Potency (virya): warming (Ushna)
• After digestion (vipaka): pungent (Katu)
• Doshas: traditionally said to settle Kapha and Pitta; may increase Vata

Traditional use

In Ayurveda, palasha seeds are classically regarded as krimighna, anthelmintic, acting especially against roundworms, and the seeds contain the active principle palasonin (Ayurveda college materia medica). The flowers are used as astringent (stambhana) agents, and the tree's parts are traditionally applied across digestive, skin, urinary, and febrile complaints (same source). These are traditional uses: human trials have not tested them, as assessed below.

What research has looked at

Anthelmintic activity (in-vitro only)

In petri-dish assays, aqueous and ethanolic leaf extracts of Butea monosperma paralyzed and killed the earthworm Pheretima posthuma, a standard laboratory stand-in for intestinal roundworms; the assay used the drug albendazole as a reference (Int J Pharm Sci Res). Earthworms are not humans, and a dish is not a gut: this is a screening result, not a treatment finding, and it does not show palasha works like a deworming medicine. Never use it in place of, or alongside, prescribed medicine without your doctor.

Anthelmintic activity (animal study)

Sheep naturally infected with mixed gastrointestinal nematodes were given crude palash seed powder at several doses, and showed dose- and time-dependent anthelmintic activity (reviewed in J Drug Deliv Ther). This is the strongest direct evidence for the traditional worm-expelling use: but it is a livestock study, not a human one.

What the evidence does not support (yet)

No published human trial of palasha, for worms or any other condition, was found. Its traditional anthelmintic reputation rests on in-vitro and animal data plus centuries of use, not on clinical proof.

Safety notes

No systematic human safety data exist for palasha. The seeds are pharmacologically active (they contain palasonin, the principle credited with the worm-expelling action), so seed preparations should not be self-dosed, particularly not for children or during pregnancy, without guidance from a qualified practitioner (Ayurveda college materia medica).

FAQs

What is palasha?

Palasha (Butea monosperma) is a deciduous Indian tree called "flame of the forest" for its orange-red flowers; the Ayurvedic Pharmacopoeia defines the dried flower as the official drug (API, Part I Vol. IV).

Is palasha effective against intestinal worms?

Not proven in humans. Its seeds are traditionally used as an anthelmintic, and worm and sheep studies show activity: but we found no human trial (IJPSR; JDDT review).

Which part of palasha is used?

The dried flower is the pharmacopoeial drug, but seeds, bark, leaves, and the gum (Bengal kino) are all used in traditional practice (API monograph; Springer summary).

What is Bengal kino?

The ruby-red gum that exudes when palasha bark is cut: a traditional resin, distinct from the flower and seed preparations (Springer summary).

Is palasha safe?

There are no systematic human safety data. Because the seeds are pharmacologically active, they should not be self-dosed, especially for children or in pregnancy, without practitioner guidance (Ayurveda college materia medica).

Sources

• Ayurvedic Pharmacopoeia of India, Part I, Volume IV — "Palasa (Fl.)": defines the drug as the dried flower of Butea monosperma (Lam.) Kuntze — ayurveda.hu
• "Evaluation of Anthelmintic Activity of Leaf Extracts of Butea monosperma." Int J Pharm Sci Res (in-vitro earthworm assay) — ijpsr.com
• J Drug Deliv Ther review — palash seed powder anthelmintic activity in sheep with GI nematodes — jddtonline.info
• "Prime Ayurvedic Plant Drugs" (Springer, botanical summary: parts used, Bengal kino) — page-one.springer.com
• SSMD Ayurvedic College — Palasha materia medica (traditional uses, palasonin, karma) — ssmdayurvediccollege.com

Disclaimer

This article is for educational purposes only and is not medical advice. Herbal products can interact with medications and are not suitable for everyone. Talk to a qualified healthcare practitioner before use — especially if you are pregnant, breastfeeding, managing a medical condition, or taking prescription medicines.