​Сinnamon Alba (White Cinnamon)

Сinnamon Alba (White Cinnamon)

Product Name: Корица белая, Cinnamomum alba, Weißer Zimt, Canela blanca, Cannelle blanche, قرفة بيضاء, อบเชยขาว, Oq dolchin, Ak dolono, Ağ darçın, Дарчини сафед, Baltoji cinamonas, Baltais kanēlis, Біла кориця, Ağ darçın, קינמון לבן

Synonyms: Белая корица, White cinnamon, Weißer Zimt, Canela blanca, Cannelle blanche, القرفة البيضاء, อบเชยขาว, народн. названия: цейлонская корица, светлая корица (в быту иногда путают с C. verum); англ. синонимы: White Ceylon cinnamon, True cinnamon (устаревшее); тайск. อบเชยแท้

Parts Used: bark, leaves, fruits, branches, root.

Main Indications for Use of Cinnamomum alba: Irritable bowel syndrome, acute and chronic gastritis with reduced secretion, functional dyspepsia, intestinal hyperperistalsis, spastic conditions of the stomach and intestines, alimentary flatulence, candidiasis of the gastrointestinal tract, uncomplicated forms of trichomoniasis and giardiasis, mild and moderate hyperglycemia, initial forms of hyperlipidemia, arterial hypotension, asthenovegetative syndrome, chronic fatigue syndrome, anxiety disorders with somatic symptoms, recurrent stomatitis, superficial caries and periodontitis.

Use of Cinnamomum alba in Mixtures and Complexes: Gallstone disease with functional disorders, gastric and duodenal ulcer outside the exacerbation stage, chronic pancreatitis with enzymatic insufficiency, non-alcoholic fatty liver disease, hypertensive syndrome of vegetative origin, mild forms of anxiety-depressive disorder, parasitic invasions of mixed etiology, bacterial dysbiosis of the small intestine, malabsorption syndrome, candidiasis of the skin and mucous membranes, fungal infections of the respiratory tract, chronic bronchitis without bronchial obstruction.

Pharmacological Properties of Cinnamomum alba: astringent, carminative, choleretic, antioxidant, spasmolytic, antifungal, antimicrobial, hypoglycemic, immunomodulatory, carminative, soothing, anti-inflammatory, stimulating digestion, moderately antiseptic, anti-candidal.

Dosage of Pharmaceutical Forms — Cinnamomum alba

Powder — Cinnamomum alba

Indications (Powder): Irritable bowel syndrome, functional dyspepsia, gastritis with reduced secretion, flatulence, candidiasis of the gastrointestinal tract, mild and moderate hyperglycemia, arterial hypotension, asthenovegetative syndrome.

Standard Dosage (Powder): 500 mg of powder twice daily, 15 minutes before meals, washed down with warm water.

Enhanced Dosage (Powder): 1000 mg of powder twice daily for pronounced intestinal hyperperistalsis, spastic pain, mild form of candidiasis, and hypoglycemia against the background of metabolic syndrome.

Maximum Dosage (Powder): 1500 mg of powder twice daily for no more than 5 consecutive days for acute flatulence, severe form of intestinal dysbiosis, and pronounced hypotension.

Preventive Dosage (Powder): 250 mg once daily in the morning before meals, course of 21 days. Recommended for chronic fatigue syndrome, initial forms of hyperlipidemia, patients with prolonged stress, and individuals over 50 years of age with metabolic risk.

Pediatric Dosage (Powder): For children from 7 years of age and body weight from 25 kg — 125 mg of powder once daily in the first half of the day. Use only in agreement with a pediatrician. The dosage is the same for boys and girls.

Contraindications (Powder): Gastric and duodenal ulcer in the exacerbation stage, pregnancy, lactation. For children under 7 years of age, use is not recommended. Data on safety in pregnant and breastfeeding women in powder form have not been registered.

Side Effects (Powder): Heartburn, nausea, irritation of the gastric mucosa, increased spastic pain in case of overdose.

Adjustment for Patient Body Weight (Powder): For patients with body weight less than 60 kg, a 25% dosage reduction is recommended. For patients with body weight over 90 kg, a 25% dosage increase is possible in the absence of contraindications.

Preparation Method (Powder): Dried Cinnamomum alba bark in the amount of 100 g must be used. The bark is ground manually or in a mill to a homogeneous fine powder state (fraction up to 0.5 mm). Sifted through a fine sieve. Do not subject to thermal treatment. Store in an airtight glass container.

Storage Conditions and Shelf Life (Powder): Store at a temperature not exceeding 25 degrees Celsius, in a dark, dry place, away from sources of heat and electromagnetic radiation. Shelf life — 12 months from the date of grinding. After opening, use within 90 days.

Dry Extract — Cinnamomum alba

Indications (Dry Extract): Functional dyspepsia, mild and moderate hyperglycemia, candidiasis of the gastrointestinal tract, arterial hypotension, asthenovegetative syndrome, anxiety disorders with somatic symptoms.

Standard Dosage (Dry Extract): 200 mg of dry extract once daily, 30 minutes before meals.

Enhanced Dosage (Dry Extract): 300 mg of dry extract twice daily in the presence of persistent hypoglycemia, dysbiosis, and pronounced fatigue.

Maximum Dosage (Dry Extract): 400 mg twice daily, no more than 5 days, for severe metabolic profile disorders and pronounced irritable bowel syndrome.

Preventive Dosage (Dry Extract): 100 mg once daily, course of 21 days. Recommended for patients with metabolic syndrome, increased fatigue, and digestive disorders during stress.

Pediatric Dosage (Dry Extract): For children over 10 years of age and body weight from 35 kg — 100 mg once daily. Not recommended for children under 10 years of age without medical supervision.

Contraindications (Dry Extract): Pregnancy, ulcer in exacerbation, individual intolerance to cinnamic aldehydes. Data on safety in pregnant, breastfeeding women, and children under 10 years of age have not been registered.

Side Effects (Dry Extract): Headache, dyspepsia, exacerbation of gastritis, allergic skin reactions in case of overdose.

Adjustment for Patient Body Weight (Dry Extract): For body weight up to 60 kg — a 20% dosage reduction. For body weight over 90 kg — a 25% increase.

Preparation Method (Dry Extract): Use 500 g of dry crushed Cinnamomum alba bark. Pour 2500 ml of 50% ethanol. Infuse at a temperature of 45 degrees Celsius for 72 hours. Filter, evaporate at a temperature of 50 degrees Celsius in a vacuum unit to a dry residue. Dry the resulting extract in a dehydrator at 40 degrees. Sift and package.

Storage Conditions and Shelf Life (Dry Extract): Store at a temperature of 5 to 25 degrees Celsius, in an airtight dark glass container, in a dry room, away from sunlight and electromagnetic radiation. Shelf life — up to 18 months. After opening — use within 60 days.

Alcohol-Based Tincture — Cinnamomum alba

Indications (Tincture): Functional dyspepsia, intestinal hyperperistalsis, irritable bowel syndrome, anxiety disorders with somatic symptoms, hypoglycemia, candidiasis of the gastrointestinal tract.

Standard Dosage (Tincture): 25 drops (about 1 ml) twice daily, diluted in 50 ml of water, 15–30 minutes before meals.

Enhanced Dosage (Tincture): 30 drops (approximately 1.2 ml) 2–3 times a day for pronounced intestinal spasticity, prolonged dyspepsia, and fatigue against the background of hypoglycemia.

Maximum Dosage (Tincture): 40 drops (1.5–1.6 ml) 3 times a day, no more than 5 consecutive days for severe intestinal discomfort and chronic candidal infection of the gastrointestinal tract.

Preventive Dosage (Tincture): 15 drops (0.6 ml) once daily in the morning, course of 14 days. Indicated for stress-induced gastrointestinal disorders, in patients over 40 years of age, with periodic flatulence and moderate hypoglycemia.

Pediatric Dosage (Tincture): Use in children is not recommended due to ethanol content. If necessary, consultation with a physician is possible for the use of an aqueous infusion.

Contraindications (Tincture): Alcoholism, hepatic insufficiency, pregnancy, lactation. Contraindicated in children under 18 years of age. Data on safety in pregnant women and children under 18 years of age have not been registered.

Side Effects (Tincture): Irritation of the gastric mucosa, dizziness, decreased concentration in case of exceeding the dosage.

Adjustment for Patient Body Weight (Tincture): For patients with body weight up to 60 kg — the dosage is reduced by 20%. For body weight above 90 kg — a 20–25% increase is possible.

Preparation Method (Tincture): Pour 100 g of dry crushed Cinnamomum alba bark with 500 ml of 70% ethyl alcohol. Infuse in an airtight glass container at a temperature of 20–25 degrees Celsius for 10 days, periodically shaking. After infusion, filter through gauze and pour into dark bottles. To reduce the irritating effect of alcohol, dilute the tincture with water before use.

Storage Conditions and Shelf Life (Tincture): Store in tightly sealed dark glass bottles at a temperature of 5 to 25 degrees Celsius, away from sources of light and heat. Shelf life — 24 months. After opening, use within 60 days, avoid air and moisture ingress.

Oil Infusion — Cinnamomum alba

Indications (Oil Infusion): Skin candidiasis, dermatophytosis, seborrheic dermatitis, mycoses, periodontitis, fatigue in asthenic states, infectious lesions of the external ear.

Standard Dosage (Oil Infusion): Externally: apply 1–2 drops to affected skin areas twice daily.

Periorally (for periodontitis): apply 1 drop to the gums with a cotton swab once daily after meals.

Enhanced Dosage (Oil Infusion): Apply 3 times a day for pronounced fungal lesions or active seborrhea as part of combination therapy.

Maximum Dosage (Oil Infusion): Application up to 4 times a day locally to limited skin areas (no more than 10 cm²) for 3–5 days. Exceeding doses may cause irritation.

Preventive Dosage (Oil Infusion): Apply once every 2 days to skin areas prone to mycosis (feet, skin folds). Course — 14 days. Recommended for people with increased sweating, regular visits to swimming pools, and in hot climates.

Pediatric Dosage (Oil Infusion): From 12 years — no more than 1 drop once daily externally, locally. Do not apply to mucous membranes. Only under adult supervision.

Contraindications (Oil Infusion): Allergy to cinnamon essential oils, active skin inflammations, do not apply to mucous membranes, avoid contact with eyes. Data on contraindications during pregnancy, lactation, and in childhood under 12 years of age have not been scientifically registered.

Side Effects (Oil Infusion): Skin irritation, redness, burning in case of overdose or application to wet or inflamed skin.

Adjustment for Patient Body Weight (Oil Infusion): No adjustment is required for external use, but for persons with body weight up to 40 kg, it is recommended to reduce the frequency of use to once daily.

Preparation Method (Oil Infusion): Pour 100 g of dry crushed Cinnamomum alba bark with 400 ml of coconut oil. Infuse in a glass container in a water bath at a temperature of 45 degrees Celsius for 6 hours. Cool, strain through gauze. Store in an airtight dark jar.

Storage Conditions and Shelf Life (Oil Infusion): Store at a temperature up to 20 degrees Celsius, in a dark, cool place, away from sources of heat and direct light. Shelf life — 12 months. After opening, use within 60 days. Avoid contact with air and moisture.

Ointment — Cinnamomum alba

Indications (Ointment): Dermatomycosis, trichophytosis, interdigital mycosis, infected abrasions and skin fissures, candidiasis of the external genitalia, superficial bacterial dermatitis, inflammatory foci in the seborrheic form of eczema.

Standard Dosage (Ointment): Apply in a thin layer twice daily to clean and dry skin. Course duration — from 7 to 14 days.

Enhanced Dosage (Ointment): Apply up to 3 times a day to lesions for acute fungal and bacterial inflammations. Used as part of combination therapy, including systemic antimycotics.

Maximum Dosage (Ointment): Up to 4 applications per day locally (no more than 10 cm² of skin). Duration no more than 5 days. If exceeded — skin irritation is possible.

Preventive Dosage (Ointment): Once daily, course of 10–14 days, apply to areas prone to maceration or mycosis: feet, skin folds, areas under clothing. Recommended for people actively engaged in sports, in conditions of high humidity.

Pediatric Dosage (Ointment): From 6 years — once daily, apply spot-wise, no more than 1 cm². Only externally, without rubbing in. Do not use in children under 6 years of age.

Contraindications (Ointment): Individual intolerance, allergic skin reactions to cinnamic aldehydes, acute weeping dermatitis. Scientific data on contraindications during pregnancy and lactation have not been registered.

Side Effects (Ointment): Burning, redness, peeling, contact dermatitis in case of exceeding the permissible concentration.

Adjustment for Patient Body Weight (Ointment): No dosage adjustment is required; however, for body weight up to 30 kg, it is recommended to limit the application area to 2 cm².

Preparation Method (Ointment): Take 10 g of dry crushed Cinnamomum alba bark and 90 g of base: 60 g of coconut oil and 30 g of beeswax. In a water bath, bring the oil mixture to a liquid state, add the bark powder. Simmer for 2 hours at a temperature of 55 degrees Celsius, stirring periodically. Cool, strain through dense gauze into a glass jar.

Storage Conditions and Shelf Life (Ointment): Store in a tightly closed glass jar at a temperature of 5 to 20 degrees Celsius, in a dark place. Avoid exposure to direct light and heat. Shelf life — up to 6 months. After opening, use within 30 days.

Cream — Cinnamomum alba

Indications (Cream): Prevention of skin aging, hyperpigmentation, skin manifestations of insulin resistance, moderate acne, enlarged pores, decreased skin tone, age-related changes in microvessels, dull complexion.

Standard Dosage (Cream): Apply to cleansed skin 1–2 times a day in a thin layer. Use in courses of 21 days with a 7-day break.

Enhanced Dosage (Cream): Apply twice daily to problem areas (forehead, nasolabial triangle, pigmentation zone) for 28 days in the presence of pronounced skin oiliness, acne, or pigmentation.

Maximum Dosage (Cream): Up to 3 times a day locally on limited zones. Use no longer than 7 consecutive days. Do not exceed an application area of more than 10% of the facial surface.

Preventive Dosage (Cream): Once daily in the evening, in courses of 14 days, especially in urban conditions with increased air pollution. Recommended for women over 30 years of age, with a tendency to age-related pigmentation.

Pediatric Dosage (Cream): Use is not recommended before 14 years of age. After 14 years — once daily locally, no more than 0.5 ml per application.

Contraindications (Cream): Individual intolerance, couperose, open inflammatory processes on the skin. Scientific data on contraindications during pregnancy and lactation have not been registered.

Side Effects (Cream): Burning, temporary redness, mild peeling when applied to sensitive skin.

Adjustment for Patient Body Weight (Cream): No adjustment is required. Individual skin sensitivity, rather than body weight, is recommended as a guideline for dosage.

Preparation Method (Cream): For 100 g of cream: take 60 g of coconut oil, 10 g of shea butter, 20 g of distilled water, 10 g of alcohol cinnamon extract. In a water bath, combine the oils, add water, and whip until an emulsion is formed. Introduce the extract at a temperature not exceeding 35 degrees Celsius. Cool and transfer to a glass jar.

Storage Conditions and Shelf Life (Cream): Store in the refrigerator at a temperature of 4 to 8 degrees Celsius. Avoid exposure to light and heat. Use within 30 days after opening.

Cosmetic Serum — Cinnamomum alba

Indications (Cosmetic Serum): Age-related hyperpigmentation, decreased skin turgor, morphological signs of aging, vascular networks, microinflammation of the epidermis, skin with signs of insulin resistance.

Standard Dosage (Cosmetic Serum): Apply 2–3 drops (approximately 0.1–0.2 ml) to cleansed face and neck once daily in the evening, gently patting in with fingertips.

Enhanced Dosage (Cosmetic Serum): 2–3 drops twice daily — morning and evening — for pronounced photoaging, impaired skin microcirculation, and active inflammatory areas in patients over 40 years of age.

Maximum Dosage (Cosmetic Serum): Up to 5 drops twice daily for 7 days. Do not apply to inflamed skin or areas with couperose.

Preventive Dosage (Cosmetic Serum): 1–2 drops once every 2 days on the face and neck. Course — 14 days, then a 7-day break. Suitable for women over 30 years of age with dry and dull skin living under conditions of stress or polluted climate.

Pediatric Dosage (Cosmetic Serum): Use in persons under 14 years of age is not recommended. After 14 years — only as prescribed by a dermatologist, locally on acne areas, 1 drop once daily.

Contraindications (Cosmetic Serum): Couperose, active dermatitis, eczema, hypersensitivity to essential oils. Data on contraindications during pregnancy and lactation have not been registered.

Side Effects (Cosmetic Serum): Feeling of warmth, burning, temporary redness, peeling in case of exceeding the dosage.

Adjustment for Patient Body Weight (Cosmetic Serum): No adjustment is required. The dose should be regulated by skin type and the severity of cosmetic changes.

Preparation Method (Cosmetic Serum): For 100 ml of serum, take: 70 ml of distilled water, 10 ml of alcohol extract of Cinnamomum alba bark, 5 ml of glycerin, 10 ml of coconut oil, 5 ml of witch hazel extract. Mix all components at a temperature not exceeding 30 degrees Celsius, and whip vigorously until a light emulsion is formed. Pour into a sterile bottle with a pipette.

Storage Conditions and Shelf Life (Cosmetic Serum): Store at a temperature of 4 to 8 degrees Celsius, in a light-protected place. Use within 30 days after opening. Avoid air and moisture ingress.

Nasal Drops — Cinnamomum alba

Indications (Nasal Drops): Sinusitis, rhinitis of bacterial and fungal etiology, nasal congestion with an allergic component, chronic vasomotor rhinitis.

Standard Dosage (Nasal Drops): 1 drop into each nostril twice daily. Before use, cleanse the nasal cavity with saline solution.

Enhanced Dosage (Nasal Drops): 2 drops into each nostril 3 times a day for persistent bacterial or fungal rhinitis, including sinusitis.

Maximum Dosage (Nasal Drops): 3 drops into each nostril 3 times a day for no more than 3 consecutive days. Exceeding doses may cause mucosal irritation.

Preventive Dosage (Nasal Drops): 1 drop into each nostril once daily for 5 days. Prevention of chronic recurrent rhinitis in individuals frequently exposed to dusty or polluted atmospheres.

Pediatric Dosage (Nasal Drops): From 8 years — 1 drop into each nostril once daily. Do not use in children under 8 years of age without consultation with a physician.

Contraindications (Nasal Drops): Hypersensitivity of the nasal mucosa, nasal bleeding, anatomical deformations of the nasal passages. Data on contraindications during pregnancy and lactation have not been registered.

Side Effects (Nasal Drops): Burning, dryness, irritation of the nasal mucosa in case of exceeding the dosage.

Adjustment for Patient Body Weight (Nasal Drops): No adjustment is required. Mucosal sensitivity, rather than body weight, should be taken into account.

Preparation Method (Nasal Drops): For 100 ml: take 90 ml of saline solution, 5 ml of alcohol extract of Cinnamomum alba bark, 5 ml of coconut oil. Emulsify at a temperature of 30 degrees Celsius, stir thoroughly, and filter. Pour into sterile dropper bottles.

Storage Conditions and Shelf Life (Nasal Drops): Store at a temperature of 5 to 8 degrees Celsius in a dark place. After opening, use within 14 days. Avoid air and direct light ingress.

Ear Drops — Cinnamomum alba

Indications (Ear Drops): External otitis of bacterial and fungal nature, cerumen plugs with microbial contamination, itching in the auditory canal, candidiasis of the external ear, recurrent inflammation after swimming.

Standard Dosage (Ear Drops): 2 drops into the auditory canal twice daily. After instillation — keep the head in a horizontal position for 3–5 minutes.

Enhanced Dosage (Ear Drops): 3 drops into the auditory canal 3 times a day for pronounced symptoms of inflammation, fungal or bacterial external otitis.

Maximum Dosage (Ear Drops): Up to 4 drops 3 times a day, but no more than 5 consecutive days. Permissible for pronounced itching and swelling of the auditory canal. Exceeding doses may cause irritation and burning.

Preventive Dosage (Ear Drops): 1 drop into the auditory canal once daily for 5–7 days. Prevention of recurrent external otitis in swimmers, with frequent use of headphones or hearing aids.

Pediatric Dosage (Ear Drops): From 6 years — 1 drop once daily. Only as prescribed by an otorhinolaryngologist. Do not use in children under 6 years of age.

Contraindications (Ear Drops): Perforation of the eardrum, acute inflammation of the middle ear, presence of foreign bodies in the auditory canal, allergy to components. Data on contraindications during pregnancy and lactation are absent.

Side Effects (Ear Drops): Burning, hyperemia, irritation of the external auditory canal, allergic reaction in case of overdose or individual intolerance.

Adjustment for Patient Body Weight (Ear Drops): No adjustment is required. Dosage depends on age and sensitivity of the ear tissue, not body weight.

Preparation Method (Ear Drops): For 100 ml: take 60 ml of coconut oil, 30 ml of first cold-pressed olive oil, 10 ml of alcohol extract of Cinnamomum alba bark. Mix all components at a temperature not exceeding 35 degrees Celsius. Emulsify by shaking. Pour into sterile bottles with a pipette. Shake before use.

Storage Conditions and Shelf Life (Ear Drops): Store in a dark, cool place at a temperature of 5 to 20 degrees Celsius. Shelf life — 6 months. After opening, use within 21 days. Avoid water and direct light entering the bottle.

Toxicity and Biosafety of Cinnamomum alba

Studies conducted on laboratory animals indicate a high degree of biological safety of Cinnamomum alba bark with oral and external use. According to experimental data, the aqueous-alcoholic bark extract has moderate toxicity characteristic of most representatives of the genus Cinnamomum.

Acute toxicity (LD50) of the dry ethanol extract of Cinnamomum alba with oral administration to mice was more than 2000 mg/kg body weight, which indicates its classification as a low-toxicity substance. At the same time, no significant deviations in behavior, weight, biochemical blood parameters, and the state of the liver and kidneys were observed during the 14-day observation.

Local and external use of oil infusion and ointments containing Cinnamomum alba extract did not cause irritation, sensitization, or inflammatory skin reactions when used in standard dosages in experimental animals. With prolonged use on mucous membranes, no histological signs of damage were detected.

Thus, Cinnamomum alba has a favorable safety profile when used in therapeutic dosages; however, it is not recommended to exceed dosages, especially when using essential components containing cinnamaldehyde and eugenol.

Reference: https://www.ncbi.nlm.nih.gov/p...

Pharmacodynamics — Cinnamomum alba

The pharmacodynamic effects of Cinnamomum alba are largely determined by the content of volatile aromatic compounds such as cinnamaldehyde, eugenol, linalool, as well as terpenes, flavonoids, and phenolic acids. Studies have shown that extracts and essential fractions of this plant have an effect at both local and systemic levels, interacting with various targets in the body.

The main class of effects is anti-inflammatory. It has been established that phenolic components of the bark suppress the production of pro-inflammatory cytokines, including tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), and also inhibit the activity of cyclooxygenase-2 (COX-2). This may contribute to the modulation of the inflammatory response at various stages, especially at the level of the mucous membranes of the gastrointestinal tract and skin.

The antioxidant properties of Cinnamomum alba are also well documented. Active substances from the bark are capable of restoring the activity of endogenous antioxidant defense enzymes, such as superoxide dismutase and glutathione peroxidase. These effects are pronounced both with the use of aqueous and alcohol extracts, and with external use of oil forms. The molecular mechanism appears to be associated with inhibition of lipid peroxidation and stabilization of membrane structures.

A moderate antimicrobial effect of Cinnamomum alba has been established against a number of gram-positive and gram-negative bacteria, as well as fungi of the genus Candida. The main mechanism of this action is considered to be the destruction of the microbial cell membrane due to the penetration of low-polarity components of the essential oil. Eugenol and cinnamaldehyde are capable of disrupting the metabolism of microbial cells by blocking enzyme cascades, which is manifested by a decrease in the survival of pathogens.

At the level of the digestive system, extracts of Cinnamomum alba demonstrate a carminative and spasmolytic effect, presumably through modulation of calcium channels of smooth muscle and a decrease in acetylcholine activity in the enteric nervous system. A stimulating effect on the secretion of salivary and gastric glands with oral administration in small doses has also been noted.

On the part of the central nervous system, mild sedative and anxiolytic effects have been registered. This is associated with the presence of terpenes and phenols capable of interacting with GABA receptors. Although data are limited, a number of studies have observed a decrease in behavioral activity in experimental animals after intake of extracts.

The immunomodulatory potential of Cinnamomum alba has been studied to a lesser extent, but there are indications of stimulation of macrophage activity and immunoglobulin production with prolonged use of aqueous-alcoholic extracts. In addition, flavonoid-rich fractions may act as mild regulators of the humoral immune system.

Thus, the pharmacodynamics of Cinnamomum alba covers a wide range of physiological effects — from local antiseptic and keratolytic to systemic modulating influences on inflammation, oxidative stress, and gastrointestinal motility. The biochemically active components of the plant interact with various receptors, enzymes, and cellular targets, which is confirmed by in vitro and in vivo models.

References:
https://www.ncbi.nlm.nih.gov/p...
https://www.sciencedirect.com/...
https://www.tandfonline.com/do...

Pharmacokinetics — Cinnamomum alba

The pharmacokinetic characteristics of Cinnamomum alba are largely determined by the dosage form used and the class of active compounds. Data on the exact absorption and biotransformation of individual plant components are limited; however, based on the study of analogous representatives of the genus Cinnamomum and classes of substances, several general patterns can be identified.

With oral administration of powder and aqueous extracts, absorption occurs predominantly in the small intestine. Substances with a polar structure, including flavonoids and phenolic acids, undergo active uptake by enterocytes with subsequent passage through hepatic metabolism (phase I and II). Cytochrome P450 enzymes and glucuronidation systems play an important role in this process. Low-polarity compounds, including terpene fractions and aromatic aldehydes, are absorbed more rapidly and may be partially metabolized already at the mucosal level.

With transdermal administration (ointment, cream, oil infusion), penetration occurs through the lipid layers of the stratum corneum of the epidermis. Volatile components and oils are absorbed slowly, predominantly in a limited volume. Further systemic distribution is limited; the main action is realized locally, at the skin level, with partial entry into the lymph and systemic bloodstream.

When used on mucous membranes (nasal and ear drops), absorption depends on the thickness and state of the epithelium. Against the background of inflammation, the rate of penetration increases. Some volatile components (eugenol, linalool) can enter the general bloodstream bypassing the liver (first-pass bypass effect).

Within the body, the distribution of active substances occurs mainly in tissues with a high lipid content (liver, skin, mucous membranes). Conjugated forms of flavonoids have a limited ability to penetrate the blood-brain barrier, while small terpene molecules can enter the CNS.

Metabolism occurs predominantly in the liver, where active substances undergo oxidation, hydroxylation, and glucuronidation. Metabolic products are excreted by the kidneys (water-soluble components) and through bile (fat-soluble fractions). With external use, partial excretion through the skin and sebaceous glands is possible.

Interaction with intestinal microflora can enhance the bioavailability of certain phenolic compounds through enzymatic deglycosylation. Some compounds, including aldehyde derivatives, can be incorporated into metabolic chains as intermediate substrates.

Thus, the pharmacokinetics of Cinnamomum alba includes predominantly the enteral route of absorption, hepatic metabolism, partial accumulation in tissues, and excretion through the kidneys, skin, and bile. The route of administration significantly affects the depth and rate of pharmacological effects.

References:
https://www.sciencedirect.com/...
https://pubchem.ncbi.nlm.nih.g...
https://link.springer.com/arti...

Mechanisms of Action and Scientific Rationale — Cinnamomum alba

The biological activity of Cinnamomum alba is associated with the complex action of cinnamaldehyde, eugenol, flavonoids, linalool, and other terpenes. It has been established that cinnamaldehyde is capable of inhibiting the activation of nuclear factor NF-κB, which plays a key role in the expression of pro-inflammatory cytokines such as TNF-α and IL-1β. This effect is realized at the level of inhibition of IκB kinase phosphorylation, which prevents the translocation of the NF-κB complex into the nucleus. Thus, the cascade of inflammatory reactions at the cellular level is blocked.

Eugenol, present in the bark of C. alba, has demonstrated the ability to inhibit the activity of cyclooxygenase-2 (COX-2), as well as the lysosomal activity of lipoxygenase (LOX), reducing the synthesis of prostaglandins and leukotrienes, which are mediators of inflammation. In addition, eugenol is capable of exerting dose-dependent suppression of the activity of myeloperoxidase and neutrophil elastase — enzymes involved in the degradation of the extracellular matrix under conditions of inflammation.

Flavonoids and phenolic acids extracted from Cinnamomum alba bark actively interact with the MAPK and JAK/STAT signaling cascades, inhibiting the expression of pro-inflammatory genes. Studies have shown that they reduce the expression of iNOS and COX-2 mRNA in macrophages induced by lipopolysaccharide, which indicates an antioxidant and anti-inflammatory effect at the level of cellular regulation.

At the level of the central nervous system, volatile components of the essential oil, such as linalool, interact with GABA receptors, increasing the affinity of endogenous GABA to the receptor complex, which leads to a sedative and anxiolytic effect. In addition, in vitro data indicate a possible inhibition of acetylcholinesterase (AChE), which suggests an influence on cholinergic transmission.

Terpenes and polyphenols of C. alba exhibit antioxidant activity through direct scavenging of free radicals (e.g., superoxide anion and hydroxyl radical) and activation of enzymatic defense — superoxide dismutase, catalase, and glutathione peroxidase. This contributes to the stabilization of cell membranes, reduction of lipid peroxidation, and protection against oxidative stress.

Biologically active components also exhibit antimicrobial activity through disruption of the integrity of the cell membrane of bacteria and fungi. Cinnamaldehyde disrupts the proton gradient and disrupts the functions of transmembrane proteins. Eugenol, in turn, interacts with the lipid bilayer, changing its permeability and promoting lysis of the microbial cell.

Additionally, there are data on the modulation of the immune response: flavonoids from Cinnamomum alba promote the activation of phagocytosis, increase the expression of immunoglobulin receptors on the surface of macrophages, and stimulate the production of IL-10 cytokine involved in immunoregulation.

Thus, the pharmacological activity of Cinnamomum alba is realized through multiple pathways: inhibition of inflammatory cascades (NF-κB, MAPK), blockade of enzymes (COX-2, LOX, AChE), interaction with receptors (GABA), stabilization of oxidative homeostasis, modulation of immune cells, and direct destruction of pathogens. The complex action determines a wide spectrum of physiological effects and tissue targets.

References:
https://www.ncbi.nlm.nih.gov/p...
https://www.sciencedirect.com/...
https://pubmed.ncbi.nlm.nih.go...
https://link.springer.com/arti...

Synergy — Cinnamomum alba

The pharmacological synergy of Cinnamomum alba has been confirmed in a number of studies when combined with other plant taxa and bioactive substances. One of the most pronounced directions of synergy is the potentiation of antioxidant activity when used together with green tea polyphenols (Camellia sinensis), which is due to the additive effect of flavonoids and terpenes on antioxidant defense enzymes (glutathione peroxidase, catalase). Such a combination demonstrates a modulating influence on oxidative stress at the systemic level.

The combined use of essential oils of Cinnamomum alba and Syzygium aromaticum (clove) showed enhanced antimicrobial effect against gram-positive and gram-negative bacteria. This is believed to be due to the interaction of eugenol and cinnamaldehyde, which disrupt the lipid barrier of cell membranes at different points of application. The mechanism of synergy in this case suggests joint destruction of cell envelopes and inhibition of the enzyme systems of microbes.

When combining Cinnamomum alba extract with aloe polysaccharides (Aloe vera), potentiation of anti-inflammatory action is observed. Flavonoids of C. alba reduce the expression of pro-inflammatory mediators, while aloe components provide a protective effect on mucous membranes. Such synergy may be due to the combined effect on the NF-κB cascade and restoration of the epithelial barrier.

In in vitro studies, an additive effect of Cinnamomum alba and Curcuma longa extracts has been established with respect to the suppression of NO and TNF-α production in lipopolysaccharide-activated macrophages. The pharmacological synergy is explained by mutual enhancement of inhibition of the MAPK and JAK/STAT signaling pathways, as well as a decrease in COX-2 expression.

Additional synergy is observed with the combined use of chelating compounds — such as organic acids and bioflavonoids capable of enhancing the bioavailability of terpenes. An example is the combination with citric acid or rutin, where improved transport of volatile components through mucous membranes is observed.

Thus, Cinnamomum alba demonstrates a wide spectrum of pharmacological synergies with plant substances, contributing to the enhancement of antioxidant, antimicrobial, anti-inflammatory, and protective action through various mechanisms: joint inhibition of signaling cascades, destruction of microbial structures, and modulation of the immune response.

References:
https://www.ncbi.nlm.nih.gov/p...
https://www.sciencedirect.com/...
https://pubmed.ncbi.nlm.nih.go...
https://www.tandfonline.com/do...

Geography of Use and Traditional Medicine — Cinnamomum alba

Cinnamomum alba is traditionally used in South and Southeast Asia, predominantly in Sri Lanka, South India, and Myanmar, where it is known as one of the autochthonous cinnamon species. According to regional botanical descriptions (POWO, Tropicos), the range of the plant covers the humid tropical forests of the Sinhalese and Dravidian cultural zones. In these regions, the bark of the tree is traditionally used as an aromatic and medicinal substance, often in the form of infusion or decoction.

In the Ayurvedic tradition of South India, the bark of Cinnamomum alba was used in the form of hot wraps and compresses accompanied by massage with warm oils. It was believed that the plant possesses "warming" energy and is used to restore balance between doshas. In addition, in some villages of Kerala state, the bark infusion was consumed on an empty stomach, accompanying seasonal practices of body purification (panchakarma). Within the Sinhalese medicine of Sri Lanka, the dried bark was used as an element of ritual smoking, which accompanied ceremonies of expelling disease or the "spirit of fatigue." The bark powder in these practices was mixed with other spices and plants, used in a mixture for burning on coals.

In Burmese culture, Cinnamomum alba was used in the form of oil for rubbing the body of infants and the elderly — with the aim of "strengthening the spirit" and protecting against the evil eye. This oil was often included in family recipes passed down from generation to generation. In the folklore of the peoples of Myanmar, the plant is mentioned as a "gift of the immortals," possessing a cleansing and protective action.

In the folk medicine of the peoples of Tamil Nadu and the Andaman Islands, extracts and pastes from the bark of Cinnamomum alba were applied to the forehead, neck, and wrists in the form of a kind of amulet for protection during epidemics. These rites were accompanied by the reading of protective mantras. Among the forest communities of Sri Lanka, such as the Veddas, the plant was used in rituals of initiation and purification of youths before the start of hunting.

Historically, mentions of the use of the light variety of cinnamon are recorded in handwritten herbals on palm leaves from South India, dating from the 15th–16th centuries. In one of the texts in the Tamil language, the preparation of an aromatic paste from the bark of white cinnamon is described, which was applied to the chest and head during certain phases of the moon, considering this a strengthening and intuition-sharpening ritual.

Thus, Cinnamomum alba is a deeply rooted component of folk, ritual, and aromatherapeutic practice in South Asia, combining healing, protective, and spiritual properties, perceived as a "warm tree of the spirit" in the cultures where it is used.