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Elecampane
Inula helenium
También llamadaHorse-heal · Scab-wort · Elf-dock, Elf-wort (Celtic folklore) · Áillean (Irish) · Aunée (French) · Tu mu xiang (Chinese)
A tall yellow-flowered daisy whose bitter, aromatic root was a European cough and chest remedy from medieval Ireland to the British Herbal Pharmacopoeia. Its sesquiterpene lactones kill staphylococci in the lab, but the only randomised trial tested it as one ingredient of a children's honey syrup, and the German Commission E gave it a negative monograph because of allergy risk and lack of evidence.
Para qué se usa
- TosLimitada
In a randomised, double-blind, placebo-controlled trial in 106 children aged 3–6, a syrup of acacia honey with mallow, elecampane, plantain and Helichrysum extracts reduced night and day cough scores and shortened cough over 8 days. Elecampane was one of five active ingredients, so its own contribution is unknown.2
- Infecciones bacterianasLimitada
Hydro-ethanolic root extracts and their sesquiterpene lactones (alantolactone, isoalantolactone, igalan) inhibited Staphylococcus aureus in laboratory tests. No studies in people.1
- BronquitisTradicional
The British Herbal Pharmacopoeia lists it as an expectorant and antitussive for tracheal and bronchial catarrh, bronchitis and whooping cough; medieval Irish texts used it for coughs and 'consumption'. Not tested in trials.1
Cómo se prepara
decoction
The chopped dried root is boiled in water and strained.
British Herbal Pharmacopoeia (as cited by Kenny et al. 2022): 1.5–4 g dried root as a decoction, three times daily.
Tos · Bronquitis
fluid extract
Liquid extract 1:1 in 25% alcohol.
British Herbal Pharmacopoeia (as cited by Kenny et al. 2022): 1.5–4 ml, three times daily.
Tos · Bronquitis
Las cantidades son las que registra la fuente citada, no una recomendación.
Seguridad
- Embarazo
- Datos insuficientes
- Lactancia
- Datos insuficientes
No usar si
- Allergy to plants of the daisy family (Asteraceae) or to sesquiterpene lactones
Efectos secundarios
- Allergic contact dermatitis; case reports of inflammatory skin reactions linked to elecampane and related Inula species
Toxicidad
The concern behind the negative Commission E monograph was allergy from its sesquiterpene lactones; systemic allergic dermatitis is a recognised risk with lactone-containing plants. Epidemiological data are lacking.
En las tradiciones curativas
- European folk medicine
Áillean / Ellea (Irish)
Medieval Irish medicine used it for the chest, coughs and consumption: the powdered herb was boiled with barley water, liquorice, cinnamon and sugar. For colic and difficult urination, a plaster of the herb boiled in wine and oil was laid on the navel. The name 'scab-wort' records its use on the skin.
Tadhg Ó Cuinn, Irish materia medica (c. 1415)
- Western herbalism
Helenii rhizoma
Antitussive, antiseptic expectorant and diaphoretic; for catarrh of the airways, bronchitis, whooping cough and the cough of tuberculosis, often combined with horehound, coltsfoot or yarrow.
British Herbal Pharmacopoeia
- Traditional Chinese Medicine
Tu mu xiang
One of three roots sold as 'mu xiang' (with Aucklandia lappa and Vladimiria souliei), which are easily confused in trade.
Compuestos activos
- alantolactone and isoalantolactone
- eudesmanolide sesquiterpene lactones (the 'helenin' mixture); anti-staphylococcal in vitro, widely studied in cancer cell lines; likely contact allergens
- inulin
- storage polysaccharide, up to 44% of the root with pectic substances
- igalan
- elemanolide sesquiterpene lactone; antibacterial in vitro
Historia
Legend says elecampane sprang from the tears of Helen of Troy, hence 'helenium'. Tadhg Ó Cuinn's Irish materia medica of about 1415 prescribed it for coughs and consumption, and it stayed in the British Herbal Pharmacopoeia as a chest remedy. In the 1980s the German Commission E rejected it, and later official monographs left it out.
Fuentes
- 1.Kenny CR et al. From monographs to chromatograms: the antimicrobial potential of Inula helenium L. (elecampane) naturalised in Ireland. Molecules 2022;27:1406
- 2.Carnevali I et al. Efficacy and safety of the syrup KalobaTUSS as a treatment for cough in children: a randomized, double blind, placebo-controlled clinical trial. BMC Pediatr 2021
- 3.Wei R et al. Aucklandia lappa, Vladimiria souliei, and Inula helenium: a comprehensive review of three confusable Muxiang varieties (2015–2025). J Ethnopharmacol 2026 (abstract)
- 4.GBIF: Inula helenium L. (accepted name)
Referencia, no receta. Nada de esto es consejo médico. Las hierbas pueden interactuar con medicamentos y ser peligrosas en el embarazo; informa a tu médico o farmacéutico de todo lo que tomes.