​Inula Helenium (Elecampane / Horseheal)

Inula Helenium (Elecampane / Horseheal)

Product Name: девясил высокий, Inula helenium, Echter Alant, Helenio, Aunée officinale, إنولا, อินูล่า เฮเลเนียม, Devyasil, Devasil, İnula, Элулин, Alantas, Zeltpienenes, Оман високий, Əsl Alant, אינוּלה הלניום

Synonyms: девясил, девятисил, оман лекарственный, золотой корень, elecampane, horseheal, elfwort, Echter Alant, Alantwurzel, raíz de elecampana, hierba del aliento, Aunée, Grande aunée, إنولا، أومانا، جذر الفيل، อินูล่า, อีลิคัมเพน, สมุนไพรอีลิคัมเพน

Parts used: root, rhizome, aerial part, seeds, leaves, flowers, essential oil, polysaccharides.

Main indications for the use of Inula helenium: Bronchitis, chronic tracheobronchitis, productive cough, spastic cough, whooping cough, bronchiectasis, dyspepsia, gastritis with reduced acidity, gastric ulcer disease, enteritis, parasitic infestations (including giardiasis and ascariasis), eczema, pyoderma, neurogenic skin itching.

Use of Inula helenium in mixtures and complexes: Chronic obstructive pulmonary disease, bronchial asthma, microbial-inflammatory diseases of the urogenital tract, irritable bowel syndrome, chronic pancreatitis, cholelithiasis, metabolic syndrome, gastrointestinal candidiasis, bacterial vaginosis.

Pharmacological properties of Inula helenium: expectorant, bronchodilatory, antiseptic, antimicrobial, anthelmintic, anti-inflammatory, gastroprotective, antispasmodic, sedative, immunomodulatory, antifungal, antioxidant, astringent, choleretic, mildly diuretic, hypoglycemic, hepatoprotective, antitumor.

Dosage of Pharmaceutical Forms — Inula helenium

Powder — Inula helenium

Indications (Powder): Bronchitis, chronic tracheobronchitis, productive cough, gastritis with reduced acidity, enteritis, parasitic infestations, neurogenic skin itching.

Standard Dosage (Powder): 0.5 grams 3 times a day, 30 minutes before meals, with warm water.

Enhanced Dosage (Powder): 1 gram 3 times a day for whooping cough, bronchiectasis, giardiasis, persistent dyspepsia, and chronic gastritis.

Maximum Dosage (Powder): 1.5 grams 3 times a day for severe spastic cough and bronchiectasis with copious sputum.

Preventive Dosage (Powder): 0.3 grams 2 times a day for 30 days every 6 months for chronic gastritis, parasitic load, and seasonal cough exacerbations.

Pediatric Dosage (Powder): For children from 6 years of age with a body weight of at least 20 kg — 0.2 grams 2 times a day, only after consultation with a doctor.

Contraindications (Powder): Acute forms of ulcerative disease, pregnancy, individual intolerance. No scientific data on contraindications during lactation and in children under 6 years have been registered.

Side Effects (Powder): Nausea, irritation of the gastric mucosa, and allergic reactions may be observed in case of overdose.

Adjustment for Patient Body Weight (Powder): For body weight below 60 kg — reduce the dose by 25%. For body weight over 90 kg — an increase in dose by 15% is possible with good tolerability.

Preparation method (Powder): 100 grams of dry cleaned elecampane root are ground to a powder state in a mill or mortar. Sieve through a sieve with a mesh diameter of 0.5 mm. Store in an airtight glass container.

Storage Conditions and Shelf Life (Powder): Store in a dark dry place at a temperature of 15 to 25 °C, in an airtight container, protected from electromagnetic radiation. Shelf life — 12 months. After opening, use within 60 days.

Dry Extract — Inula helenium

Indications (Dry Extract): Gastritis with reduced acidity, dyspepsia, parasitic infestations, eczema, gastrointestinal candidiasis.

Standard Dosage (Dry Extract): 200 milligrams 2 times a day, 30 minutes before meals.

Enhanced Dosage (Dry Extract): 400 milligrams 2 times a day for parasitic infestations, candidiasis, and pronounced dyspepsia.

Maximum Dosage (Dry Extract): 600 milligrams 2 times a day for chronic forms of gastroenteritis, pronounced giardiasis, and cutaneous candidiasis.

Preventive Dosage (Dry Extract): 100 milligrams once a day for 30 days — for chronic gastritis, intestinal dysbiosis, and irritable bowel syndrome. Repeat every 6 months.

Pediatric Dosage (Dry Extract): From 7 years and weight of at least 25 kg — 100 milligrams once a day. Only under specialist supervision.

Contraindications (Dry Extract): Ulcerative disease in the acute stage, pregnancy. No scientific contraindications have been registered for lactation and children under 7 years.

Side Effects (Dry Extract): When doses are exceeded — heartburn, bitter taste in the mouth, dyspepsia.

Adjustment for Patient Body Weight (Dry Extract): Up to 60 kg — reduce the dosage by 30%. Over 85 kg — an increase in dose by 10% is possible.

Preparation method (Dry Extract): Weigh 500 grams of ground elecampane root, extract with 70% ethanol at a ratio of 1:5 for 72 hours at a temperature of 40 °C. After filtration, evaporate the solution at a temperature of 50 °C to a thick mass, then dry in a drying chamber to a powder state. Sieve the resulting dry extract.

Storage Conditions and Shelf Life (Dry Extract): Store in tightly closed glass containers at a temperature of 10 to 25 °C in a dark place. Shelf life — up to 24 months. After opening, use within 90 days.

Alcohol-Based Tincture — Inula helenium

Indications (Tincture): Bronchiectasis, productive cough, chronic tracheobronchitis, dyspepsia, gastritis with reduced acidity, giardiasis.

Standard Dosage (Tincture): 20 drops per 50 milliliters of water 3 times a day, 20 minutes before meals.

Enhanced Dosage (Tincture): 30 drops 3 times a day for chronic bronchitis, pronounced parasitic infestation, and whooping cough.

Maximum Dosage (Tincture): 40 drops 3 times a day for severe chronic cough with copious sputum and persistent giardiasis.

Preventive Dosage (Tincture): 10 drops 2 times a day for 21 days for recurrent bronchitis, seasonal decreased immunity, and chronic gastritis. Repeat after 3 months.

Pediatric Dosage (Tincture): From 10 years, body weight from 30 kg — 5 drops 2 times a day, only under medical supervision.

Contraindications (Tincture): Pregnancy, childhood under 10 years, alcohol dependence, severe hepatic insufficiency. No data on contraindications during lactation have been registered.

Side Effects (Tincture): Dizziness, gastric irritation, allergic rash in case of overdose.

Adjustment for Patient Body Weight (Tincture): Up to 60 kg — reduce the dose by 25%. Over 90 kg — an increase in dose by 10–15% is possible.

Preparation method (Tincture): For 100 grams of tincture: take 20 grams of ground dry elecampane root, pour with 80 milliliters of 70% ethanol. Infuse in a dark glass container at room temperature for 10 days. Shake periodically. Filter.

Storage Conditions and Shelf Life (Tincture): Store in a tightly closed dark glass bottle at a temperature of 15 to 25 °C. Avoid exposure to direct light and EMI. Shelf life — 24 months. After opening — up to 90 days.

Oil Infusion — Inula helenium

Indications (Oil Infusion): Eczema, pyoderma, neurogenic skin itching, inflammations of the external ear, herpetic rashes.

Standard Dosage (Oil Infusion): Apply a thin layer 2 times a day to affected areas of the skin.

Enhanced Dosage (Oil Infusion): 3 times a day locally for pronounced skin inflammations, pruritic dermatoses, and recurrent herpes.

Maximum Dosage (Oil Infusion): Up to 5 times a day on limited areas of the skin for pronounced skin itching and eczema.

Preventive Dosage (Oil Infusion): Once a day for 14 days in courses of 2–3 times a year for chronic eczema and neurodermatitis.

Pediatric Dosage (Oil Infusion): From 3 years — once a day, minimal amount, only on limited areas and after consultation with a doctor.

Contraindications (Oil Infusion): Individual intolerance. No scientific contraindications have been registered during pregnancy and lactation.

Side Effects (Oil Infusion): Local skin irritation, redness, burning when the dosage is exceeded.

Adjustment for Patient Body Weight (Oil Infusion): Adjustment is not required.

Preparation method (Oil Infusion): For 100 grams of infusion: take 20 grams of dry ground elecampane root and pour with 80 grams of organic cold-pressed coconut oil. Infuse in a water bath at a temperature of 45 °C for 3 hours. Cool, filter through gauze.

Storage Conditions and Shelf Life (Oil Infusion): Store in a dark cool place at a temperature of 10 to 20 °C. Avoid exposure to direct sunlight. Shelf life — 6 months. After opening, use within 30 days.

Vaginal Suppository — Inula helenium

Indications (Vaginal Suppository): Vaginal candidiasis, bacterial vaginosis, inflammation of the vaginal mucosa, cervicitis, neurogenic itching of the external genitalia.

Standard Dosage (Vaginal Suppository): 1 suppository at night for 7–10 days.

Enhanced Dosage (Vaginal Suppository): 1 suppository 2 times a day (morning and evening) for 7 days for pronounced vaginitis, mixed infections, and exacerbation of candidiasis.

Maximum Dosage (Vaginal Suppository): Up to 3 suppositories per day (every 8 hours) for no more than 5 days for severe forms of candidiasis and bacterial vaginosis, only under medical supervision.

Preventive Dosage (Vaginal Suppository): 1 suppository every other day at night for 10 days — for chronic vaginitis, a tendency to recurrent thrush, and seasonal prevention.

Pediatric Dosage (Vaginal Suppository): Not used in girls before puberty.

Contraindications (Vaginal Suppository): Pregnancy, individual intolerance. Data on contraindications during lactation and in girls under 12 years are absent.

Side Effects (Vaginal Suppository): Burning, itching, increased discharge in case of individual hypersensitivity.

Adjustment for Patient Body Weight (Vaginal Suppository): Not required.

Preparation method (Vaginal Suppository): For 100 grams of base: take 20 grams of thick oil infusion of elecampane root, 80 grams of cocoa butter or coconut oil. Melt the base in a water bath, add elecampane, mix, pour into molds (7–10 grams per suppository), cool until solidified. Store in the refrigerator.

Storage Conditions and Shelf Life (Vaginal Suppository): Store at a temperature of +2 to +8 °C in airtight packaging, without access to light. Shelf life — up to 3 months. After opening, use within 10 days.

Rectal Suppository — Inula helenium

Indications (Rectal Suppository): Proctitis, internal hemorrhoids, neurogenic itching of the anal canal, chronic colitis, parasitic infestations localized in the large intestine.

Standard Dosage (Rectal Suppository): 1 suppository at night after defecation for 10 days.

Enhanced Dosage (Rectal Suppository): 1 suppository 2 times a day for pronounced inflammation, itching hemorrhoidal nodes, and helminthiasis with anal itching.

Maximum Dosage (Rectal Suppository): Up to 3 suppositories per day for 5 days for severe pain, pronounced inflammation, and chronic proctitis.

Preventive Dosage (Rectal Suppository): 1 suppository every other day before bedtime for 14 days — for chronic hemorrhoids, seasonal recurrence of proctitis, and for reducing itching in elderly patients.

Pediatric Dosage (Rectal Suppository): From 5 years, body weight from 18 kg — half a suppository once a day.

Contraindications (Rectal Suppository): Ulcerative proctitis in the acute phase, anal fissures in acute form, hypersensitivity. Data on use during pregnancy, lactation, and in children under 5 years have not been registered.

Side Effects (Rectal Suppository): Irritation of the anal canal, burning, urges to defecate in case of overdose.

Adjustment for Patient Body Weight (Rectal Suppository): Patients with body weight below 60 kg — use the minimum dosage. Over 90 kg — use of 2 suppositories per day is possible.

Preparation method (Rectal Suppository): For 100 grams: 25 grams of elecampane oil infusion, 75 grams of cocoa butter. Melt the cocoa butter, add the infusion, mix, pour into molds. Cool until solidified. Weight of one suppository — 2 grams.

Storage Conditions and Shelf Life (Rectal Suppository): Store in the refrigerator at a temperature of +2 to +8 °C, in airtight forms, in a light-protected place. Shelf life — 3 months. After opening, use within 7 days.

Nasal Drops — Inula helenium

Indications (Nasal Drops): Chronic rhinitis, allergic rhinitis, vasomotor rhinitis, sinusitis, adenoiditis, neurogenic itching in the nasal passages.

Standard Dosage (Nasal Drops): 2 drops into each nostril 3 times a day for 7–10 days.

Enhanced Dosage (Nasal Drops): 3 drops 4 times a day for pronounced sinusitis, edema, and chronic allergic rhinitis.

Maximum Dosage (Nasal Drops): Up to 4 drops into each nostril up to 5 times a day for no more than 5 days for exacerbation of purulent sinusitis.

Preventive Dosage (Nasal Drops): 2 drops once a day at night for 14 days for chronic vasomotor rhinitis, seasonal allergies, and adenoiditis.

Pediatric Dosage (Nasal Drops): From 6 years — 1 drop into each nostril 2 times a day. Mandatory testing for individual tolerance.

Contraindications (Nasal Drops): Acute nosebleeds, perforation of the nasal septum, hypersensitivity. No scientific contraindications have been registered during pregnancy and lactation.

Side Effects (Nasal Drops): Burning, lacrimation, short-term sneezing when the dosage is exceeded.

Adjustment for Patient Body Weight (Nasal Drops): Adjustment is not required.

Preparation method (Nasal Drops): For 100 milliliters: 20 milliliters of elecampane alcohol tincture, 40 milliliters of distilled water, 40 milliliters of coconut oil. Combine the aqueous and alcohol components, then slowly add the oil with vigorous stirring. Infuse for 12 hours, filter through a cotton pad. Store in a sterile dropper bottle.

Storage Conditions and Shelf Life (Nasal Drops): Store in the refrigerator at a temperature of +2 to +8 °C. Shelf life — 30 days. After opening, use within 7 days.

Ear Drops — Inula helenium

Indications (Ear Drops): Otitis externa, eczema of the external auditory canal, fungal inflammation of the ear, neurogenic itching in the auditory canal.

Standard Dosage (Ear Drops): 3 drops into the external auditory canal 2 times a day, course — 7 days.

Enhanced Dosage (Ear Drops): 4 drops 3 times a day for pronounced inflammation and fungal otitis.

Maximum Dosage (Ear Drops): Up to 5 drops up to 4 times a day for no more than 5 days for severe itching and inflammation.

Preventive Dosage (Ear Drops): 2 drops once a day for 10 days — for recurrent otitis externa and hyperkeratosis of the auditory canal.

Pediatric Dosage (Ear Drops): From 4 years — 1 drop 2 times a day, provided there is no damage to the tympanic membrane.

Contraindications (Ear Drops): Perforation of the tympanic membrane, purulent otitis media, individual hypersensitivity. No data on contraindications during pregnancy, lactation, and in children under 4 years.

Side Effects (Ear Drops): Mild tingling, sensation of heat, local allergic reaction.

Adjustment for Patient Body Weight (Ear Drops): Adjustment is not required.

Preparation method (Ear Drops): For 100 milliliters: take 25 milliliters of elecampane oil infusion, 70 milliliters of purified sesame oil, and 5 milliliters of alcohol tincture. Mix, warm to 37 °C, filter, pour into sterile bottles.

Storage Conditions and Shelf Life (Ear Drops): Store at a temperature not exceeding +25 °C, in a dark place, in glass containers. Shelf life — 2 months. After opening, use within 14 days.

Ointment — Inula helenium

Indications (Ointment): Eczema, neurodermatitis, psoriasis, itching in parasitic infestations, herpetic rashes, fungal skin lesions.

Standard Dosage (Ointment): Apply a thin layer to affected areas 2 times a day for 10–14 days.

Enhanced Dosage (Ointment): 3 times a day on limited areas of the skin for exacerbation of eczema, fungal infection, and herpetic lesions.

Maximum Dosage (Ointment): Up to 4 times a day for pronounced itching, excoriations, and persistent mycoses. Course no more than 7 days without a break.

Preventive Dosage (Ointment): Once a day for 14 days on sites of eczema or itching recurrence. Repeat 3 times a year.

Pediatric Dosage (Ointment): From 3 years — once a day on small areas of the skin, under specialist supervision.

Contraindications (Ointment): Open wounds, individual hypersensitivity. Data on contraindications during pregnancy and lactation are absent.

Side Effects (Ointment): Burning, local irritation, contact dermatitis with prolonged use or hypersensitivity.

Adjustment for Patient Body Weight (Ointment): Adjustment is not required.

Preparation method (Ointment): For 100 grams of ointment: 30 grams of elecampane oil infusion, 60 grams of coconut oil, 10 grams of beeswax. Melt the coconut oil and wax in a water bath, add the infusion, mix thoroughly, cool, and pour into jars.

Storage Conditions and Shelf Life (Ointment): Store in the refrigerator at a temperature of +2 to +8 °C in tightly closed containers. Shelf life — up to 4 months. After opening — use within 30 days.

Cream-Balm — Inula helenium

Indications (Cream-Balm): Atopic dermatitis, neurogenic itching, age-related skin changes, irritation after insect bites, prevention of skin inflammations.

Standard Dosage (Cream-Balm): Apply to cleansed skin 2 times a day, morning and evening.

Enhanced Dosage (Cream-Balm): 3–4 times a day for pronounced skin itching, irritation, and areas of peeling.

Maximum Dosage (Cream-Balm): Up to 5 times a day for acute neurodermatitis accompanied by itching and redness.

Preventive Dosage (Cream-Balm): Once a day for a course of 21 days on areas of skin prone to inflammation, for chronic dermatitis and seasonal dry skin.

Pediatric Dosage (Cream-Balm): From 2 years — once a day on areas no more than 5 cm², with good tolerability.

Contraindications (Cream-Balm): Hypersensitivity, acute purulent skin inflammations. No data on contraindications during pregnancy and lactation have been registered.

Side Effects (Cream-Balm): Rarely — redness, sensation of heat, contact dermatitis.

Adjustment for Patient Body Weight (Cream-Balm): Adjustment is not required.

Preparation method (Cream-Balm): For 100 grams: 20 grams of elecampane oil infusion, 60 grams of coconut oil, 10 grams of beeswax, 10 grams of water with aloe extract (or chamomile hydrolate). Emulsify with a blender at a temperature of 40 °C to a homogeneous creamy consistency. Pour into jars.

Storage Conditions and Shelf Life (Cream-Balm): Store in a cool dark place, at a temperature of +5 to +12 °C. Shelf life — up to 3 months. After opening, use within 21 days.

Liquid Extract — Inula helenium

Indications (Liquid Extract): Gastritis with reduced acidity, dyspepsia, intestinal candidiasis, helminthic infestations, chronic bronchitis with productive cough.

Standard Dosage (Liquid Extract): 20 drops per 50 milliliters of water 3 times a day, 20 minutes before meals.

Enhanced Dosage (Liquid Extract): 30 drops 3 times a day for pronounced candidiasis, chronic gastritis, and helminthiasis.

Maximum Dosage (Liquid Extract): 40 drops up to 4 times a day for 5–7 days for persistent bronchitis and whooping cough.

Preventive Dosage (Liquid Extract): 15 drops once a day for 21 days — for chronic gastritis, digestive disorders, and a tendency to flatulence.

Pediatric Dosage (Liquid Extract): From 7 years and body weight from 25 kg — 5 drops 2 times a day, only under medical supervision.

Contraindications (Liquid Extract): Pregnancy, ulcerative disease, alcohol dependence, hypersensitivity. Data on contraindications during lactation have not been registered.

Side Effects (Liquid Extract): Gastric irritation, headache, allergic reactions when the dosage is exceeded.

Adjustment for Patient Body Weight (Liquid Extract): Up to 60 kg — reduce the dose by 25%. Over 90 kg — correction of +15% is possible.

Preparation method (Liquid Extract): For 100 milliliters: take 20 grams of ground elecampane root, pour with 80 milliliters of 70% ethanol. Infuse for 7 days in a dark container at a temperature of 20 °C. Filter, squeeze, bring the volume to 100 milliliters with filtered water.

Storage Conditions and Shelf Life (Liquid Extract): Store in a tightly closed dark glass bottle at a temperature of +10 to +25 °C. Shelf life — up to 24 months. After opening — no more than 30 days.

Cosmetic Serum — Inula helenium

Indications (Cosmetic Serum): Skin sensitivity, rosacea, neurogenic skin itching, inflammation, pigmentation, premature aging.

Standard Dosage (Cosmetic Serum): Apply 1–2 drops to cleansed facial skin 2 times a day, morning and evening.

Enhanced Dosage (Cosmetic Serum): 3 drops 3 times a day for pronounced inflammation, irritation, and vascular network.

Maximum Dosage (Cosmetic Serum): Up to 5 drops on the face and neck 3–4 times a day for pronounced neurodermatitis and seasonal exacerbations.

Preventive Dosage (Cosmetic Serum): 2 drops once a day in the evening for 30 days — for age-related changes, dull skin, and a tendency to irritation.

Pediatric Dosage (Cosmetic Serum): Not recommended for children under 12 years.

Contraindications (Cosmetic Serum): Hypersensitivity, individual intolerance. No scientific data on contraindications during pregnancy and lactation have been registered.

Side Effects (Cosmetic Serum): Redness, burning, rash in case of individual intolerance or dose exceeding.

Adjustment for Patient Body Weight (Cosmetic Serum): Not required.

Preparation method (Cosmetic Serum): For 100 milliliters: 10 milliliters of elecampane oil infusion, 50 milliliters of chamomile hydrolate, 30 milliliters of aloe vera juice, 5 milliliters of jojoba oil, 5 milliliters of glycerin. Combine the aqueous and oil phases at a temperature of 35–40 °C, emulsify until a homogeneous texture is obtained.

Storage Conditions and Shelf Life (Cosmetic Serum): Store at a temperature of +5 to +10 °C, in dark containers, without access to air. Shelf life — 30 days. After opening — use within 10 days.

Toxicity and Biosafety of Inula helenium

In animal studies, the following toxicity data have been found:

• Oral LD₅₀: over 2000 mg/kg when administering root extract, classified as non-toxic at therapeutic doses.
• LD₅₀ for ethanolic extract: 6200 mg/kg upon oral administration in rats.
• Toxicity class: belongs to class VI (relatively safe), with LD₅₀ over 15,000 ml/kg for an aqueous-alcoholic herbal mix containing elecampane.
• Side effects when doses are exceeded: possible gastrointestinal disorders, nausea, diarrhea, spasms, and in rare cases — paralysis.

Thus, the acute toxicity of elecampane is very low, and the risk of poisoning at standard dosages is minimal. Exact LD₅₀ figures: 2000 mg/kg (extract); 6200 mg/kg (ethanolic extract); 15,000 ml/kg (aqueous-alcoholic herbal collection).

Source study: Acute oral toxicity: LD₅₀ (oral, Rat): 6200 mg/kg (CHP, ethanol).

Reference: academia.edu+4rutlandbio.com+4researchgate.net+4.

Pharmacodynamics — Inula helenium

The pharmacodynamic properties of elecampane are due to a wide range of biologically active substances, including sesquiterpene lactones (alantolactone and isoalantolactone), essential oils, inulin, polyacetylenes, flavonoids, and phenolic acids. These compounds possess systemic and local activity, affecting the functional systems of the body.

The main action of sesquiterpene lactones is manifested as an inhibitory effect on the activity of inflammatory mediators, such as interleukins and tumor necrosis factor-alpha. They modulate the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS), thereby achieving an anti-inflammatory effect. In parallel, a decrease in the level of prostaglandins is noted, which additionally stabilizes local immune and neurogenic reactions. These mechanisms are supported by the antioxidant activity of phenolic fractions, which contributes to the protection of cellular structures from oxidative stress.

Inulin, as one of the dominant polysaccharides, realizes pharmacological effects through interaction with the gastrointestinal microbiota, promoting the growth of symbiotic flora and reducing the activity of pathogenic strains. This, in turn, indirectly affects the immune and metabolic regulation of the body. These effects are realized at the systemic level through modulation of cytokine balance and regulation of the barrier function of the mucous membranes.

The essential oil composition of elecampane includes mono- and sesquiterpenes capable of inhibiting the growth of bacterial and fungal cultures in vitro. Studies have shown that certain terpene components of elecampane interact with the lipid structures of the microbial membrane, disrupting its permeability and energy metabolism. Local antimicrobial action may be combined with a modulating effect on skin receptors involved in sensory and inflammatory transmission.

Flavonoids and phenolic acid derivatives of elecampane participate in the stabilization of capillary permeability and a decrease in platelet aggregation, affecting the rheological properties of blood and microcirculation. It is assumed that these compounds may exert a mild sedative and neuromodulatory effect through inhibition of monoamine oxidase activity and modulation of GABA-dependent receptors, which allows elecampane to be considered as an agent with potential central action with prolonged use.

Thus, the pharmacodynamics of elecampane covers a wide range of effects, including anti-inflammatory, antimicrobial, antioxidant, immunomodulatory, neuromodulatory, and normalizing effects on microbial and cellular homeostasis, realized at the systemic and local levels through enzyme, mediator, and receptor mechanisms.

References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7766007/
https://www.sciencedirect.com/science/article/abs/pii/S2225411023000021
https://pubmed.ncbi.nlm.nih.gov/30509383/

Pharmacokinetics — Inula helenium

The pharmacokinetics of elecampane active substances depend on the dosage form and route of administration. With oral use (powders, tinctures, extracts), biologically active components, including sesquiterpenes and flavonoids, are partially absorbed in the gastrointestinal tract. Sesquiterpene lactones have moderate lipophilicity and undergo transmembrane absorption in the small intestine, where they may undergo primary metabolism in enterocytes.

Polyphenolic compounds, such as derivatives of caffeic and chlorogenic acids, are absorbed slowly, undergoing partial biotransformation under the action of intestinal microflora. Inulin is not absorbed in the upper parts of the gastrointestinal tract, but is actively metabolized in the large intestine by symbiotic microflora, which has a prebiotic effect.

With transdermal use (ointments, infusions, creams), the absorption of active substances is limited by the epidermal barrier. However, essential oils and terpene compounds are able to partially penetrate the deep layers of the skin, interacting with the receptor apparatus and microcirculatory network. Local action is accompanied by minimal systemic absorption, but may contribute to local accumulation of active fractions.

Alcohol and aqueous-alcohol forms are characterized by faster resorption through the mucous membranes of the oral cavity and gastrointestinal tract. In this case, partial interaction of components with liver microsomal enzymes, including cytochrome P450, is possible, leading to the formation of metabolites with reduced or, conversely, increased biological activity.

Metabolism of flavonoids and lactones occurs mainly in the liver, followed by binding with glucuronic acid and sulfation. Excretion is carried out primarily by the kidneys in the form of metabolites and to a lesser extent — with bile and through the intestine. Some lipophilic fractions of essential oils may also be excreted with the lungs and through the skin.

Thus, the pharmacokinetics of elecampane is characterized by combined metabolism through the liver and intestinal microflora, limited systemic absorption with local use, and variable routes of excretion depending on the chemical nature of specific compounds.

References:
https://www.mdpi.com/1420-3049...
https://www.tandfonline.com/do...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9720516/

Mechanisms of Action and Scientific Rationale — Inula helenium

The pharmacological activity of elecampane is due to the complex effect of its bioactive compounds on molecular and cellular targets, including inflammatory mediators, enzyme systems, and signaling cascades. The most studied components are sesquiterpene lactones (alantolactone, isoalantolactone), flavonoids, polyacetylenes, and phenolic acids, which have pronounced biochemical properties.

Sesquiterpenes of elecampane inhibit the expression of pro-inflammatory mediators, including cytokines IL-1β, IL-6, and TNF-α, through suppression of the activity of the transcription factor NF-κB, as well as inhibition of COX-2 and iNOS involved in the synthesis of prostaglandins and nitric oxide. These compounds have a direct effect on macrophages and neutrophils, reducing the production of inflammatory mediators and regulating cell migration. The ability of alantolactone to interact with glutathione-dependent enzymes has also been recorded, disrupting the redox homeostasis of inflamed tissue.

Polyacetylenes and phenolic compounds of elecampane affect bacterial cells, disrupting membrane permeability, and inhibit the growth of Candida fungi by altering the activity of mitochondrial enzymes. In in vitro studies, inhibition of acetylcholinesterase and monoamine oxidase activity has been recorded, indicating a potential effect on neurotransmitter cascades, including dopaminergic and serotonergic systems.

Inulin exerts a mediated effect through the intestinal microbiota, promoting the growth of lactobacilli and bifidobacteria, which leads to a decrease in lipopolysaccharide production and normalization of the level of pro-inflammatory cytokines. At the level of the immune system, inulin modulates lymphocyte activity, increasing the expression of anti-inflammatory interleukins IL-10 and TGF-β, as well as reducing the activation of effector T-cells.

Flavonoids of elecampane have the ability to suppress oxidative damage to cellular structures by inhibiting lipid peroxidation and increasing the activity of superoxide dismutase and catalase. Some studies demonstrate the effect of flavonoids on receptor cascades, including PPARγ and MAPK/ERK, which contributes to the stabilization of cell proliferation and a decrease in the level of the inflammatory response.

Thus, the mechanisms of action of elecampane include inhibition of pro-inflammatory enzymes and cytokines, antioxidant stabilization of cell membranes, regulation of the immune response, antimicrobial action at the membrane level, as well as a neuromodulatory effect through inhibition of monoamine oxidase and interaction with GABA receptors.

References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7766007/
https://www.sciencedirect.com/science/article/abs/pii/S2225411023000021
https://pubmed.ncbi.nlm.nih.gov/30509383/
https://pubmed.ncbi.nlm.nih.gov/25827266/
https://www.mdpi.com/1420-3049...

Synergy — Inula helenium

In vitro and in vivo studies confirm the pharmacological synergy of elecampane with a number of medicinal plants, which is manifested in the potentiation of anti-inflammatory, antimicrobial, antioxidant, and immunomodulatory effects. Special attention is paid to interaction with plants containing essential oils, flavonoids, and prebiotic components.

The combined use of elecampane with purple coneflower (Echinacea purpurea) leads to enhanced phagocytic activity of macrophages and expression of Toll-like receptors on dendritic cells. In cell culture studies, a potentiating effect of the combination on the secretion of interleukin-12 and interferon-gamma has been recorded, indicating cooperation in the modulation of innate and adaptive immunity.

An additive and partially potentiating effect has been described when combining elecampane with plants containing lignans and phenylpropanoids, such as marshmallow (Althaea officinalis) and sage (Salvia officinalis). These combinations enhance the local anti-inflammatory effect through the combined inhibition of inflammatory mediators and stabilization of the mucous membrane.

In combination with flavonoid sources (for example, calendula officinalis), elecampane exhibits a protective effect under conditions of oxidative stress, due to the mutual enhancement of action on antioxidant enzyme systems (glutathione peroxidase, superoxide dismutase). Improved indicators of cell viability and a decrease in the level of malondialdehyde in tissue models have been recorded.

Modulating synergy is observed when combining elecampane with plants containing saponins (for example, licorice root). This leads to improved absorption of sesquiterpenes and prolongation of their action due to delayed excretion. A similar effect has been recorded in pharmacokinetic models in animals.

Thus, the synergy of elecampane with other taxa can be realized through combined effects on receptor and signaling cascades, inhibition of pro-inflammatory mediators, activation of antioxidant systems, and improvement of the bioavailability of active fractions.

References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4210993/
https://pubmed.ncbi.nlm.nih.gov/29414860/
https://www.sciencedirect.com/science/article/abs/pii/S0378874115301252
https://www.mdpi.com/2076-3921...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9720516/

Geography of Use and Traditional Medicine — Inula helenium

Elecampane has a wide geography of traditional use, covering Europe, Asia, and partly North Africa. It was most widely distributed in the folk medicine of Slavic, Celtic, Germanic, Tibetan, and Chinese ethnocultural traditions. In Eastern Europe, especially in Russian, Belarusian, and Ukrainian phytotherapeutic traditions, elecampane was considered one of the most important root plants, included in home herbal medicine kits. It was used in the form of decoctions and infusions, as well as in the form of powder mixed with honey, lard, kvass, or hops. In Russian and Belarusian folk healing, it was called "devyatisil" or "devyatisilnik," attributed with nine healing abilities. It was also included in the collection for fumigating premises during illness or after a person's death, to cleanse the house of "bad breath."

In the Germanic tradition, the plant was known as Alantwurzel and was used since antiquity. It is mentioned in the works of Pliny the Elder and Dioscorides as a remedy that strengthens the body and spirit. In medieval Europe, elecampane was included in monastic herbal wines and elixirs, and was also used for flavoring beer and mead. In France and England, it was considered a component of elixirs "for decline of strength" and "for melancholy."

In Tibetan medicine, elecampane root was used as part of complex formulations for balancing cold and hot states. It is described in Tibetan treatises as a "plant of the earth," possessing a bitter and pungent taste and action directed at "wind" and "phlegm." In some formulations, elecampane was mixed with juniper berries, calamus, and resins.

In China, Inula helenium was also among the known medicinal plants, mainly in the northwestern provinces. In the Chinese pharmacopoeia, elecampane is considered a plant with a "warm" nature and bitter taste. It was used in the form of decoctions, steam inhalations, and smoking powders. In Taoist and shamanic practices of Xinjiang and Tibet, dried roots were used in smoking ceremonies for purifying dwellings and as protection from evil spirits.

Among the Celts, the plant was included among magical herbs and was used by druids as part of amulets and incense. In the northern and western parts of the British Isles, there was a practice of hanging elecampane root at the entrance of the house as an amulet. In Scottish tradition, the dried root was placed in herbal sachets and worn on the body as protection from the evil eye.

In the countries of Central Asia, elecampane is mentioned in Uzbek, Tajik, and Uyghur medical traditions as a cleansing and warming plant. In folk medicine, it was used in the form of compresses, oil extracts, and burned rhizome sticks. In ritual practices, it was used in the form of dry bouquets hung in houses and sanctuaries.

Historical references to elecampane can be traced from the ancient period — in the European part of Eurasia, the plant is mentioned in herbals of the 1st–3rd centuries, and in Eastern Europe — in herbals of the 16th–17th centuries. In the manuscripts of Kievan Rus, the plant was designated as "ilant" or "ilios," and its use was both therapeutic and apotropaic in nature.