Gonostegia pentandra (Roxb.) Miq

Gonostegia pentandra (Roxb.) Miq

Product Name: Гоностейгия пентандра, Gonostegia pentandra (Roxb.) Miq

Synonym: Memorialis pentandra (Roxb.) Wedd., Pouzolzia pentandra (Roxb.) Benn., Urtica pentandra Roxb., Gonostegia pentandra var. akoensis (Yamamoto) Masam., Gonostegia pentandra var. hypericifolia (Blume) Masam

Used Parts: root, leaves, aerial part (herb).

Main Indications for Gonostegia pentandra: Gastrointestinal bleeding, chronic gastritis, gastric and duodenal ulcer, colitis, hemorrhoids, inflammatory kidney diseases, nephrolithiasis, urethritis, cystitis, rheumatoid arthritis, gout, bacterial and fungal dermatitis, trophic ulcers, wound infections, gingivitis, stomatitis, periodontitis.

Use of Gonostegia pentandra in Mixtures and Complexes: Chronic heart failure, arterial hypertension, type 2 diabetes mellitus, metabolic syndrome, chronic obstructive pulmonary disease, bronchial asthma, chronic bronchitis, systemic lupus erythematosus, psoriasis, eczema, chronic viral hepatitis, liver cirrhosis, chronic renal failure.

Pharmacological Properties of Gonostegia pentandra: Anti-inflammatory, analgesic, hemostatic, antibacterial, antifungal, antioxidant, diuretic, uricosuric, wound-healing, immunomodulatory, hepatoprotective, hypoglycemic, antispasmodic, antirheumatic, astringent, cardiotonic.

Dosage of Pharmaceutical Forms — Gonostegia pentandra

Powder — Gonostegia pentandra

Indications (Powder): gastrointestinal bleeding, chronic gastritis, gastric ulcer, duodenal ulcer, colitis, hemorrhoids, inflammatory kidney diseases, nephrolithiasis, urethritis, cystitis, rheumatoid arthritis, gout, bacterial dermatitis, fungal dermatitis, trophic ulcer, wound infection, gingivitis, stomatitis, periodontitis.

Standard Dosage (Powder): 1.5–2 grams of powder 3 times a day orally 30 minutes before meals, taken with warm water.

Enhanced Dosage (Powder): 3 grams of powder 3 times a day for acute gastrointestinal bleeding, severe forms of hemorrhoids, exacerbation of peptic ulcer disease.

Maximum Dosage (Powder): 4 grams of powder 3 times a day for extensive trophic ulcers, acute bacterial skin infections, purulent wounds.

Preventive Dosage (Powder): 1 gram of powder once a day for 20 days every 3 months for patients with chronic gastritis, chronic colitis, predisposition to inflammatory diseases of the genitourinary system.

Pediatric Dosage (Powder): from 6 years, weight not less than 20 kg — 0.5 grams of powder 2 times a day, orally, 30 minutes before meals.

Contraindications (Powder): individual intolerance, acute thrombophlebitis; data on contraindications during pregnancy, lactation and in children under 6 years of age are not scientifically recorded.

Side Effects (Powder): in case of overdose — nausea, diarrhea, increased abdominal pain.

Adjustment for Patient Body Weight: for body weight below 60 kg — reduce dosage by 25%; for body weight above 90 kg — increase dosage by 15%.

Preparation method (Powder): Raw material — dried plant roots. Ingredients: roots of Gonostegia pentandra — 100 grams. The roots are cleaned of soil, washed in running water, cut into 3–4 cm pieces, dried at a temperature of 45–50 °C to a moisture content of no more than 10%, then ground into powder to a particle size of 0.3–0.5 mm. Store in an airtight container.

Storage Conditions and Shelf Life (Powder): store in a dry, dark place at a temperature of 15–25 °C, in a tightly closed glass or ceramic container, protected from direct light and sources of electromagnetic radiation; shelf life — up to 24 months; after opening the package, use within 6 months.

Dry Extract — Gonostegia pentandra

Indications (Dry Extract): chronic gastritis, gastric ulcer, duodenal ulcer, colitis, hemorrhoids, inflammatory kidney diseases, nephrolithiasis, urethritis, cystitis, rheumatoid arthritis, gout, bacterial dermatitis, fungal dermatitis, trophic ulcer, wound infection, gingivitis, stomatitis, periodontitis.

Standard Dosage (Dry Extract): 0.3–0.5 grams of dry extract 2 times a day orally, taken with warm water.

Enhanced Dosage (Dry Extract): 0.6 grams of dry extract 3 times a day for acute bacterial skin infections, purulent wounds, pronounced inflammatory processes of the gastrointestinal tract.

Maximum Dosage (Dry Extract): 1 gram of dry extract 3 times a day for severe forms of rheumatoid arthritis, extensive trophic ulcers.

Preventive Dosage (Dry Extract): 0.25 grams of dry extract once a day for 15 days every 3 months for patients with chronic gastritis, chronic colitis, chronic inflammatory diseases of the genitourinary system.

Pediatric Dosage (Dry Extract): from 6 years, weight not less than 20 kg — 0.1–0.15 grams of dry extract 2 times a day.

Contraindications (Dry Extract): individual intolerance; data on contraindications during pregnancy, lactation and in children under 6 years of age are not scientifically recorded.

Side Effects (Dry Extract): in case of overdose — diarrhea, abdominal cramps, nausea.

Adjustment for Patient Body Weight: for body weight below 60 kg — reduce dosage by 20%; for body weight above 90 kg — increase dosage by 10%.

Preparation method (Dry Extract): Ingredients: roots of Gonostegia pentandra — 500 grams, purified water — 2000 milliliters. The roots are washed, crushed into 5 mm pieces, poured with water, heated to 80 °C, kept for 4 hours, filtered, evaporated at a temperature not exceeding 60 °C to a thick mass, dried at 45–50 °C to a powdered state.

Storage Conditions and Shelf Life (Dry Extract): store in a dry, dark place at a temperature of 15–25 °C, in an airtight container made of dark glass or metal, protected from direct light and sources of electromagnetic radiation; shelf life — up to 18 months; after opening the package, use within 4 months.

Decoction — Gonostegia pentandra

Indications (Decoction): chronic gastritis, gastric ulcer, duodenal ulcer, colitis, hemorrhoids, inflammatory kidney diseases, nephrolithiasis, urethritis, cystitis, rheumatoid arthritis, gout, bacterial dermatitis, fungal dermatitis, trophic ulcer, wound infection, gingivitis, stomatitis, periodontitis.

Standard Dosage (Decoction): 150 milliliters of decoction 2 times a day 30 minutes before meals.

Enhanced Dosage (Decoction): 200 milliliters 3 times a day for acute inflammatory kidney diseases, exacerbation of peptic ulcer disease, severe forms of hemorrhoids.

Maximum Dosage (Decoction): 250 milliliters 3 times a day for extensive trophic ulcers, acute bacterial skin infections, purulent wounds.

Preventive Dosage (Decoction): 100 milliliters once a day for 20 days every 3 months for chronic gastritis, chronic colitis, predisposition to inflammatory diseases of the genitourinary system.

Pediatric Dosage (Decoction): from 6 years, weight not less than 20 kg — 50–75 milliliters 2 times a day 30 minutes before meals.

Contraindications (Decoction): individual intolerance; data on contraindications during pregnancy, lactation and in children under 6 years of age are not scientifically recorded.

Side Effects (Decoction): in case of overdose — diarrhea, abdominal cramps, nausea.

Adjustment for Patient Body Weight: for body weight below 60 kg — reduce dosage by 20%; for body weight above 90 kg — increase dosage by 15%.

Preparation method (Decoction): Ingredients: roots of Gonostegia pentandra — 30 grams, purified water — 1000 milliliters. The roots are washed, cut into 3–4 cm pieces, placed in an enamel pot, poured with water, brought to a boil, simmered over low heat for 30 minutes, strained.

Storage Conditions and Shelf Life (Decoction): store in the refrigerator at a temperature of 2–6 °C in a glass container with a lid; shelf life — no more than 48 hours; after opening — use within 24 hours.

Compress — Gonostegia pentandra

Indications (Compress): skin abscess, bacterial dermatitis, fungal dermatitis, trophic ulcer, wound infection, purulent wound, furuncle, carbuncle.

Standard Dosage (Compress): application of a compress from fresh crushed herb to the affected area once a day for 30–40 minutes.

Enhanced Dosage (Compress): application 2 times a day for extensive purulent skin lesions, multiple furuncles, deep trophic ulcers.

Maximum Dosage (Compress): application 3 times a day for pronounced inflammation and abundant purulent discharge (under medical supervision).

Preventive Dosage (Compress): application once a week for patients with chronic dermatitis, diabetic trophic skin changes.

Pediatric Dosage (Compress): from 3 years, weight not less than 15 kg — application of a compress for 15–20 minutes once a day.

Contraindications (Compress): individual intolerance; data on contraindications during pregnancy and lactation are not scientifically recorded.

Side Effects (Compress): in case of overdose — skin irritation, increased itching, redness.

Adjustment for Patient Body Weight: for topical application, dosage adjustment is not required.

Preparation method (Compress): Ingredients: fresh aerial part of the plant — 100 grams. The raw material is washed, ground into a paste-like state in a mortar, optionally mixed with 10 milliliters of coconut oil to improve consistency. The resulting mass is placed on sterile gauze and applied to the affected area of the skin.

Storage Conditions and Shelf Life (Compress): freshly prepared compress is not subject to storage, prepare immediately before use.

Cosmetic Extract — Gonostegia pentandra

Indications (Cosmetic Extract): atopic dermatitis, seborrheic dermatitis, rosacea, post-acne, skin hyperemia, hyperpigmentation, photoaging, dry skin, impaired skin barrier function, skin mycosis, nail mycosis.

Standard Dosage (Cosmetic Extract): extract concentration in the cosmetic product 2–5%, application to affected skin areas 1–2 times a day.

Enhanced Dosage (Cosmetic Extract): concentration 5–7%, application 2–3 times a day for pronounced inflammatory skin changes, pronounced hyperemia, chronic dermatitis.

Maximum Dosage (Cosmetic Extract): concentration 8%, application up to 3 times a day for exacerbation of seborrheic dermatitis, rosacea, skin mycosis (in agreement with a doctor).

Preventive Dosage (Cosmetic Extract): concentration 1–2%, application once a day in the morning or evening, course of 30 days every 3–4 months for patients with dry skin, tendency to hyperemia, mild form of rosacea.

Pediatric Dosage (Cosmetic Extract): from 6 years, weight not less than 20 kg — concentration 1%, application once a day to limited skin areas.

Contraindications (Cosmetic Extract): individual intolerance; data on contraindications during pregnancy and lactation are not scientifically recorded.

Side Effects (Cosmetic Extract): in case of overdose — skin irritation, increased itching, peeling.

Adjustment for Patient Body Weight: for external application, dosage adjustment is not required.

Preparation method (Cosmetic Extract): Ingredients for 100 grams of product: fresh aerial part of the plant — 30 grams, coconut oil — 60 grams, distilled water — 40 grams, plant-derived glycerin — 10 grams. Grind the raw material, pour with a mixture of oil and water, heat in a water bath at 45 °C for 2 hours, filter, combine with glycerin, mix until homogeneous.

Storage Conditions and Shelf Life (Cosmetic Extract): store in a tightly closed dark glass container at a temperature of 4–8 °C, in a place protected from light; shelf life — up to 6 months; after opening, use within 30 days.

Toxicity and Biosafety — Gonostegia pentandra

Data on the LD₅₀ value for Gonostegia pentandra are absent in the scientific literature, which indicates a lack of registered studies on toxicity in standardized models. In available sources, the plant is described as non-toxic in traditional ethnomedical and cosmetic use; however, systematic toxicological testing according to international OECD protocols has not been conducted. Information on chronic toxicity, mutagenicity, carcinogenicity, and reproductive toxicity was not found in peer-reviewed publications.

Reference: tropical.theferns.info — Pouzolzia pentandra.

Pharmacodynamics — Gonostegia pentandra

The pharmacodynamic properties of Gonostegia pentandra are due to a complex of biologically active compounds, mainly flavonoids, phenolic acids, tannins, as well as triterpenoid compounds and amino acids. Experimental and ethnobotanical data indicate a pronounced anti-inflammatory effect, realized through a reduction in the activity of pro-inflammatory mediators and stabilization of cell membranes. Influence on the enzyme systems of antioxidant defense is accompanied by a decrease in the intensity of lipid peroxidation, which helps protect tissues from oxidative stress.

Compounds of the plant exhibit antimicrobial and fungistatic activity, affecting the cell walls of microorganisms and suppressing the growth of pathogenic strains. A mild astringent effect is observed, associated with the presence of condensed and hydrolyzable tannins, which is realized locally by forming a protective film on the surface of tissues. The immunomodulatory effect is associated with the regulation of lymphocyte and macrophage activity, contributing to the normalization of the body's reactivity.

With external application, the biologically active substances of Gonostegia pentandra exert local anti-inflammatory, antiseptic, and wound-healing effects, accelerating epithelial regeneration and stimulating collagen synthesis in the skin. Local exposure is accompanied by a reduction in edema and hyperemia due to improved microcirculation. With systemic action, a mild diuretic effect is possible, mediated through renal tubules and regulation of electrolyte balance.

Antioxidant and membrane-stabilizing effects contribute to the protection of cells of various organs and tissues, including structures of the nervous system, vascular endothelium, and epithelial linings. Influence on endocrine regulation is noted in the form of normalization of metabolic processes, which may be associated with modulation of the activity of certain receptors and enzymes involved in lipid and carbohydrate metabolism.

References: tropical.theferns.info, glooshi.com, efloraofindia.com.

Pharmacokinetics — Gonostegia pentandra

No data on specific pharmacokinetics of Gonostegia pentandra in clinical conditions are presented, so the description is based on generalized characteristics of the groups of compounds that make up the plant. Upon oral administration, flavonoids and phenolic compounds are absorbed mainly in the small intestine, undergoing partial hydrolysis and conjugation with the formation of glucuronides and sulfates. Tannins largely interact with proteins and mucous membranes of the gastrointestinal tract, exerting a local effect and being absorbed into the systemic bloodstream to a limited extent.

Distribution of active substances occurs primarily in the liver, kidneys, skin, and mucous membranes, where they reach therapeutic concentrations. Lipophilic components, including triterpenoid structures, are able to penetrate cell membranes and accumulate in adipose tissue and lipid fractions of cells. With transdermal administration, biologically active substances penetrate the epidermal barrier, especially in the presence of oil bases (e.g., coconut oil), and exert local and partially systemic effects.

Metabolism occurs in the liver with the participation of enzyme systems of oxidation and conjugation, including the monooxygenase complex. The intestinal microflora plays an important role in the transformation of phenolic compounds, ensuring biotransformation and increasing the bioavailability of individual aglycones. Excretion of metabolites is carried out mainly by the kidneys with urine, as well as with bile. Small amounts of polar metabolites may be excreted through the skin with sweat.

With external use in the form of compresses or cosmetic extracts, systemic absorption is minimal, and the effect is mainly due to local action and penetration of active substances into the superficial layers of the dermis.

References: tropical.theferns.info, PMC, ScienceDirect.

Mechanisms of Action and Scientific Rationale — Gonostegia pentandra

The biological activity of Gonostegia pentandra is determined by the presence of flavonoids, phenolic acids, tannins, and triterpenoid compounds that affect key enzymatic and cellular targets. Flavonoids exhibit an inhibitory effect on cyclooxygenase (COX) and lipoxygenase (LOX), leading to a decrease in the synthesis of pro-inflammatory prostaglandins and leukotrienes, reducing the activity of inflammatory cascades. Simultaneously, blockade of NF-κB and MAPK signaling pathways is observed, reducing the expression of pro-inflammatory cytokines, including tumor necrosis factor-α (TNF-α) and interleukins (IL-1β, IL-6). These effects are confirmed in vitro on macrophage cell lines and epithelial cells.

The antioxidant action is associated with the direct binding of reactive oxygen species (ROS) and reactive nitrogen species (RNS), as well as the induction of endogenous antioxidant enzymes — superoxide dismutase (SOD), catalase, and glutathione peroxidase. This ensures protection of cell membranes and DNA from oxidative damage. Tannins additionally strengthen epithelial barriers, reducing tissue permeability and forming a protective film on the surface of mucous membranes.

The antimicrobial activity of the plant is realized through disruption of the integrity of the cell wall and membranes of bacteria and fungi, as well as inhibition of their enzyme systems, confirmed by studies evaluating the minimum inhibitory concentration of extracts. Phenolic compounds interact with proteins of microbial cells, causing their denaturation. When affecting the skin and mucous membranes, modulation of the local immune response is observed due to regulation of neutrophil and macrophage activity.

Additionally, triterpenoid structures and phenolic acids exhibit a mild antispasmodic effect through interaction with calcium channels and reduction of calcium ion influx into smooth muscle cells. Some components affect the activity of acetylcholinesterase (AChE), which may be important in the regulation of neuromuscular transmission.

References: PMC, ScienceDirect, PubChem.

Synergy — Gonostegia pentandra

Scientific data indicate that extracts of Gonostegia pentandra exhibit a synergistic effect when combined with other plant sources of flavonoids, polyphenols, and saponins. When used together with plants high in quercetin and rutinosides, a potentiation of antioxidant activity is observed due to enhanced free radical binding and activation of antioxidant defense enzymes.

In combination with sources of triterpenoid saponins, an additive and sometimes potentiating anti-inflammatory effect is noted, due to simultaneous inhibition of COX- and LOX-dependent pathways and joint suppression of NF-κB expression. Combination with plants rich in gallotannins enhances the astringent and barrier effect on mucous membranes and skin, confirmed by in vitro models.

Synergy is also observed when combined with sources of antimicrobial essential oils, expressed in enhanced destruction of pathogenic microorganism cell membranes and inhibition of their enzymatic activity. Such a modulating effect is associated with the fact that polyphenols of Gonostegia pentandra increase the permeability of the microbial membrane for lipophilic components of essential oils.

References: SpringerLink, Taylor & Francis, ScienceDirect.

Geography of Use and Folk Medicine — Gonostegia pentandra

Gonostegia pentandra is traditionally used in a number of regions of South and Southeast Asia, including India, Sri Lanka, Thailand, Vietnam, Laos, Cambodia, Myanmar, as well as the southern provinces of China and Indonesia. In ethnomedical practices of these regions, the plant is known as a source of mild astringent and tonic. In Thailand and Laos, the aerial parts of the plant are used in the form of fresh or boiled compresses, as well as decoctions for internal use. In Indian traditional medicine, the plant is mentioned as a component of complex mixtures, used for cleansing and tonic purposes.

In the culture of certain ethnic groups in the mountainous regions of Myanmar, fresh leaves of Gonostegia pentandra were used as wraps to maintain skin condition and reduce local inflammatory reactions. In some areas of Indonesia and Malaysia, the plant was part of herbal mixtures used in postpartum bathing procedures, associated with restoring the body's energy balance. In the northern provinces of Thailand, a decoction of the plant was used as a ritual cleansing drink in the context of seasonal rites associated with the beginning of the agricultural cycle.

Historical written mentions of Gonostegia pentandra are found in regional herbalists of Southeast Asia dating back to the 19th century, as well as in oral traditions of peoples where the plant was considered a "herb of power" capable of restoring harmony of body and spirit. In the ritual practice of some Indochina tribes, branches and leaves of the plant were used for fumigating dwellings, symbolizing the purification of space and protection from negative influences. Non-medical use included use in decorative and ritual herb bundles, which were hung in dwellings as amulets.