Indian elecampane
StarInula racemosa
Synonyms: Inula royleana, Helenium racemosum
Western Herbalism Properties
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Botanical Description
Inula racemosa, known in Sanskrit as Pushkarmoola, is a tall, robust perennial herb of the Asteraceae native to the western Himalayas, occurring in Kashmir, Himachal Pradesh and adjacent regions of Pakistan and Afghanistan at elevations of roughly 1500–4000 m. It produces a stout, fleshy, aromatic taproot with a distinctive camphoraceous odour, from which arise erect, leafy flowering stems 1–2 m tall. The large basal leaves are broadly elliptic to lanceolate, with finely toothed margins and a pubescent lower surface, while the stem leaves clasp the stem with a cordate base. Numerous bright yellow radiate heads 3–5 cm across are arranged in an elongate raceme in summer. The species is widely cultivated in northern India for medicinal use; the roots are the source of alantolactone and isoalantolactone, sesquiterpene lactones with documented pharmacological activity.
Active Constituents
Alantolactone
Eudesmanolide sesquiterpene lactoneConcentration: One of the two most abundant root sesquiterpene lactones
A principal bioactive of the root, with documented anti-inflammatory, antimicrobial, anthelmintic and anticancer activity (apoptosis induction, cell-cycle arrest). Together with isoalantolactone it defines the pharmacological profile of the drug.
Isoalantolactone
Eudesmanolide sesquiterpene lactoneConcentration: Co-dominant root sesquiterpene lactone
Shares the anti-inflammatory, antimicrobial and antiproliferative actions of alantolactone; the two are often reported and standardised together as the active sesquiterpene-lactone fraction.
Alloalantolactone, inunal, alantodiene, isoalantodiene
Related eudesmane sesquiterpene lactonesConcentration: Minor sesquiterpene lactones of the root
Structurally related lactones isolated from the non-polar root fraction that contribute to the overall bitter, antimicrobial and anti-inflammatory character.
β-Sitosterol and daucosterol
Phytosterol / sterol glycosideConcentration: Reported in good quantity in the roots
Common phytosterols with anti-inflammatory and lipid-modulating activity that may contribute to the reported hypolipidaemic effects of the root.
Inulin
Fructan polysaccharideConcentration: Major storage carbohydrate of the root
A prebiotic fructan that forms the bulk of the dried root; supports its use as a bulk demulcent and may modulate glucose and lipid handling.
D-Mannitol
Sugar alcohol (polyol)Concentration: Reported in roots
A sweet-tasting polyol constituent contributing to the root's mild osmotic and expectorant properties.
⚠ Drug Interactions
Antidiabetic agents (insulin, oral hypoglycaemics)
Root powder has shown blood-glucose-lowering effects in Ayurvedic diabetic use and animal models; combined with pharmaceutical hypoglycaemics it could additively lower blood glucose and risk hypoglycaemia.
Clinical note: Monitor blood glucose if used alongside antidiabetic drugs; dose adjustment may be needed.
Antianginal / lipid-lowering cardiovascular drugs
Clinical reports (often as the compound Pushkar-Guggul with Commiphora mukul) describe improvement in angina and reductions in cholesterol and triglycerides; concurrent cardiovascular medication could produce additive effects.
Clinical note: Use under supervision in patients on cardiac or lipid-lowering therapy; not a substitute for conventional treatment.
Preparation Methods
Root powder (churna)
Parts: dried root/rhizome
In Ayurveda the dried root (Pushkarmool) is powdered; a representative regimen used ~3 g of root powder three times daily for respiratory, cardiac and metabolic complaints. It is classically combined with guggul (Commiphora mukul) as “Pushkar-Guggul” for ischaemic heart disease and dyslipidaemia.
Decoction (kwath)
Parts: dried root/rhizome
The root is boiled to make a bitter decoction used for cough, asthma, bronchitis and chest pain. The sesquiterpene lactones responsible for activity can also cause contact dermatitis, so handling of the raw drug warrants care.
Conservation and sourcing note
Parts: root
Inula racemosa is assessed as a critically endangered western-Himalayan medicinal plant subject to heavy wild collection; cultivated or verified-sustainable sources should be used, and substitution/adulteration with related Inula species is common in trade.
Clinical Studies
Beneficial effect of Inula racemosa (pushkarmoola) in angina pectoris: a preliminary report
An early clinical report evaluating Inula racemosa in patients with angina pectoris/ischaemic heart disease, describing improvement in precordial pain and exercise/ECG parameters and providing the basis for later Ayurvedic cardiovascular use of pushkarmoola.
Effect of Inula racemosa root extract on cardiac function and oxidative stress against isoproterenol-induced myocardial infarction
Rats pretreated with I. racemosa root hydroalcoholic extract (50, 100 or 200 mg/kg/day for 21 days) before isoproterenol-induced myocardial infarction showed preserved cardiac function (heart rate, mean arterial pressure, contractility and relaxation) and reduced oxidative stress, supporting a cardioprotective mechanism.
Historical Texts
Ayurvedic classical corpus (as “Pushkaramoola” / Pushkarmool)
Classical Ayurveda (Charaka/Sushruta tradition onward)Unani and Tibetan (Sowa-Rigpa) materia medica
Medieval to modernReferences
- Khan S, et al.. Ethnopharmacology, phytochemistry, agrotechnology, and conservation of Inula racemosa Hook f. – A critically endangered medicinal plant of the western Himalaya . Journal of Ethnopharmacology (2022) [DOI]
- Tripathi SN, Upadhyaya BN, Gupta VK. Beneficial effect of Inula racemosa (pushkarmoola) in angina pectoris: a preliminary report . Indian Journal of Physiology and Pharmacology (1984) [DOI]
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.
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