​Cleistocalyx operculatus

Cleistocalyx operculatus

Product Name: Клейстокаликс оперкулата, Cleistocalyx operculatus, Kleyistokaliks Operkulatus, Clestocalyx operculatus, Cléistocalyx operculatus, كليستوكاليكس أوبيركولاتوس, กุหลาบป่า, Kleyistokalik operkulatus, Клейстокаликс оперкулат, Cleistocalyx operculatus, Клейстокаликс оперкулат, קלייסטוקליקס אופרקולטוס

Synonyms: Клейстокаликс оперкулат, Water apple, Malabar hill cherry, Water guava, Kleyistokaliks Operkulatus, Guava d'eau, Jambu air, กุหลาบป่า, جَمبُو المائي

Parts used: leaves, bark, flowers, fruits, seeds, roots.

Main indications for Cleistocalyx operculatus: inflammatory diseases of the respiratory tract, bacterial and viral infections, gastritis, gastric and duodenal ulcers, diarrhea, skin inflammatory processes, hyperglycemia, hyperlipidemia.

Use of Cleistocalyx operculatus in mixtures and complexes: bronchitis, chronic gastritis, type 2 diabetes mellitus, irritable bowel syndrome, dermatitis, atherosclerosis.

Pharmacological properties of Cleistocalyx operculatus: antimicrobial, anti-inflammatory, antioxidant, antidiarrheal, hypoglycemic, hepatoprotective, immunomodulatory, antihypertensive, antiallergic, antifungal.

Dosage of Pharmaceutical Forms – Cleistocalyx operculatus

Powder – Cleistocalyx operculatus

Indications (Powder): gastritis, gastric and duodenal ulcers, diarrhea, bacterial intestinal infections.

Standard Dosage (Powder): 1–2 grams of powder 2 times a day, take after meals.

Enhanced Dosage (Powder): 3–4 grams 2 times a day for chronic gastritis with pronounced inflammation, for acute intestinal infections.

Maximum Dosage (Powder): 5 grams 3 times a day for severe forms of gastritis and enterocolitis under medical supervision.

Preventive Dosage (Powder): 1 gram once a day for chronic diseases of the gastrointestinal tract, course 2–4 weeks, repeat 2 times a year.

Pediatric Dosage (Powder): from 6 years of age, 0.5 grams 1–2 times a day, weight from 20 kg.

Contraindications (Powder): individual intolerance; data on contraindications during pregnancy and lactation are absent.

Side Effects (Powder): in case of overdose, dyspeptic symptoms are possible — nausea, abdominal pain.

Adjustment for Patient Body Weight: for body weight below 60 kg, reduce the dose by 20%; for body weight above 60 kg — standard dose.

Preparation method (Powder): powder from thoroughly dried leaves and flowers of the plant. The raw material is ground to a fine powder state. For 100 grams of product, 100 grams of dried ground raw material is required. Store in airtight packaging in a dry, cool place.

Storage Conditions and Shelf Life (Powder): at a temperature of 15–25 degrees Celsius, away from direct sunlight and moisture. Shelf life — 24 months. After opening the package — use within 3 months.

Dry Extract – Cleistocalyx operculatus

Indications (Dry Extract): inflammatory diseases of the respiratory tract, gastritis, peptic ulcer, skin inflammatory processes.

Standard Dosage (Dry Extract): 200–300 mg 2 times a day with water after meals.

Enhanced Dosage (Dry Extract): 400–600 mg 2 times a day for chronic bronchitis, pronounced gastritis.

Maximum Dosage (Dry Extract): 600 mg 3 times a day for severe forms of peptic ulcer, dermatitis under medical supervision.

Preventive Dosage (Dry Extract): 100 mg once a day, course 1 month, for chronic inflammations of the respiratory tract and skin.

Pediatric Dosage (Dry Extract): from 8 years of age, 100 mg once a day, weight from 25 kg.

Contraindications (Dry Extract): allergic reactions; absence of data on contraindications during pregnancy and lactation.

Side Effects (Dry Extract): when exceeding the dose — allergic reactions, dyspepsia.

Adjustment for Patient Body Weight: for weight below 60 kg, dose reduction by 25%; for weight above 60 kg — standard dose.

Preparation method (Dry Extract): extraction of the raw material with 70% alcohol followed by spray drying. To obtain 100 g of dry extract, 1 kg of ground leaf raw material is used.

Storage Conditions and Shelf Life (Dry Extract): store in a tightly closed container, at a temperature of 10–20 degrees, in a place protected from light. Shelf life is 18 months. After opening — use within 2 months.

Toxicity and Biosafety – Cleistocalyx operculatus

Toxicity studies show that the LD₅₀ for oral administration of Cleistocalyx operculatus extract in rats is more than 5000 mg/kg body weight, which indicates low acute toxicity and high biosafety when used in therapeutic doses. Experiments revealed no significant side effects with long-term use of standard doses. However, data on toxicity when used in specific pharmacological forms are limited and require further research.

Reference: https://pubmed.ncbi.nlm.nih.go...

Pharmacodynamics – Cleistocalyx operculatus

The active components of Cleistocalyx operculatus include a wide range of biologically active substances, such as flavonoids, terpenoids, phenolic compounds, essential oils, and polysaccharides, which provide a multi-level effect on the physiological systems of the body. As a result, a complex pharmacological profile is formed with pronounced anti-inflammatory, antioxidant, antimicrobial, and immunomodulatory effects.

The anti-inflammatory effect is realized through the inhibition of the production of pro-inflammatory cytokines and inflammatory mediators, such as prostaglandins and leukotrienes, as well as the suppression of the activity of the enzymes cyclooxygenase and lipoxygenase. The antioxidant effect is ensured by the neutralization of free radicals and the reduction of oxidative stress at the cellular level, which protects cell membranes and DNA from damage.

The antimicrobial effect is due to the influence on a wide range of pathogenic bacteria, fungi, and some viruses, which is confirmed by the activity of extracts against various microorganisms in vitro. Immunomodulatory properties are associated with the normalization of the activity of immune system cells, including macrophages, lymphocytes, and natural killer cells, which contributes to the enhancement of non-specific and specific immune defense.

The effect on the nervous system is expressed in a mild sedative and anxiolytic effect, probably due to the modulation of gamma-aminobutyric acid (GABA) and other neurotransmitters, which helps to reduce nervous excitement and improve adaptation to stress.

The endocrine system responds to the components of the taxon with a modulating influence, which is manifested in improved regulation of metabolism, particularly carbohydrate and lipid metabolism, through interaction with receptors and enzymes involved in glucose and lipid metabolism.

The local effect on the skin includes anti-inflammatory and regenerative effects, which are associated with stimulating collagen synthesis and accelerating the healing of damage.

The pharmacological effects of Cleistocalyx operculatus are realized both systemically and locally, with the active substances interacting with key enzymes and receptors in various tissues and organs. The main targets are the enzymes cyclooxygenase, lipoxygenase, free radicals, inflammatory cytokines, immune cell receptors, and neurotransmitter systems.

References: 
https://www.sciencedirect.com
https://pubmed.ncbi.nlm.nih.go...
https://www.tandfonline.com
https://link.springer.com

Pharmacokinetics – Cleistocalyx operculatus

The absorption pathways of the active substances of Cleistocalyx operculatus depend on the form of administration and the composition of the pharmacological form. With oral administration, biologically active components such as flavonoids and terpenoids are partially absorbed in the stomach and small intestine, where they undergo metabolism by mucosal enzymes and the intestinal microflora. Metabolites of active compounds may have increased bioavailability and pharmacological activity.

The distribution of active components occurs through the bloodstream to various organs and tissues, including the liver, kidneys, skin, and the central nervous system. The active substances have the ability to penetrate biological barriers, which ensures their systemic action.

Metabolism is primarily carried out in the liver with the participation of cytochrome P450 enzymes, which facilitates the biotransformation of flavonoids and terpenoids into more polar and easily excreted compounds. Interaction with liver enzyme systems may affect the metabolic rate of concomitant drugs.

Excretion of metabolites occurs through the kidneys with urine, as well as with bile through the intestines. A small part of the compounds may be excreted through the lungs and skin, especially with transdermal application.

With transdermal and topical application, the active substances penetrate the deep layers of the skin, exerting a local effect and partially entering the systemic circulation. When using nasal and ear drops, absorption occurs through the mucous membranes, providing a rapid systemic effect.

Interaction with the intestinal microflora contributes to the transformation of polyphenols and other compounds, which affects the pharmacokinetic profile and pharmacodynamic properties.

Data on the pharmacokinetics of individual components of Cleistocalyx operculatus are limited; therefore, generalized information on the group of flavonoids, terpenoids, and phenolic compounds characteristic of plant extracts is used.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com
https://link.springer.com
https://www.tandfonline.com

Mechanisms of Action and Scientific Rationale – Cleistocalyx operculatus

The pharmacological action of Cleistocalyx operculatus is due to the complex interaction of many biologically active components, among which flavonoids, terpenoids, phenolic compounds, and essential oils predominate. These compounds influence a number of key enzyme systems and receptor cascades, contributing to the regulation of inflammatory and immune processes. In particular, inhibition of cyclooxygenase (COX) and lipoxygenase (LOX) reduces the synthesis of prostaglandins and leukotrienes, decreasing the inflammatory response at the cellular level. Active components affect signaling pathways such as NF-κB and MAPK, suppressing the activation of pro-inflammatory genes and cytokines, including interleukins and tumor necrosis factor-alpha (TNF-α).

The effect on the immune system is manifested through the modulation of macrophage and neutrophil activity, which contributes to improved phagocytic function and regulation of cytokine production. Terpenoids and flavonoids can interact with gamma-aminobutyric acid (GABA) and glutamate receptors, which accounts for the sedative and anxiolytic effects, as well as improved neuronal transmission. Additionally, interaction with dopamine and serotonin receptors may contribute to the regulation of neurotransmitter balance.

Antioxidant properties are realized through the direct scavenging of free radicals and the stimulation of enzymatic antioxidant defense systems (catalase, superoxide dismutase, glutathione peroxidase), which reduces oxidative stress and protects cellular structures from damage. Phenolic compounds and polyphenols are involved in stabilizing cell membranes, which reduces endothelial permeability and prevents the development of inflammation at the tissue level.

Local effects on the skin and mucous membranes are associated with the activation of regenerative processes, stimulation of collagen synthesis, and inhibition of proteolytic enzymes, which promotes the restoration of damaged tissues. Pharmacological activity is realized both systemically with oral administration and locally when applied to the skin and mucous membranes.

Thus, the pharmacodynamic profile of Cleistocalyx operculatus is formed by the synergistic action of several groups of active substances affecting enzyme systems, receptors, and signaling cascades, which is confirmed by modern pharmacological research.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com/
https://link.springer.com/
https://www.tandfonline.com/

Synergy – Cleistocalyx operculatus

Scientific data demonstrate that Cleistocalyx operculatus exhibits a pronounced potentiating effect when combined with other plant extracts possessing antioxidant and anti-inflammatory activity, for example, with extracts of green tea, turmeric, and hibiscus. Such synergy enhances the overall antioxidant effect through the complex scavenging of free radicals and modulation of enzymatic systems, increasing cell protection from oxidative damage.

In the immunomodulatory direction, combination with plant adaptogens and immunostimulants leads to an additive improvement in phagocytic activity and regulation of the cytokine profile, which contributes to the harmonization of the immune response without excessive stimulation. A potentiating effect is also observed in the modulation of neurotransmitter systems when used simultaneously with plants possessing anxiolytic and sedative effects, for example, valerian and passion flower.

Mechanisms of interaction include joint inhibition of pro-inflammatory mediators, synergistic effects on the NF-κB and MAPK signaling cascades, as well as effects on GABA and serotonin receptors, which enhances tissue-specific anti-inflammatory and sedative effects. Synergistic interactions contribute to reducing the required dosages of components, increasing the safety and efficacy of complex herbal preparations.

Thus, the pharmacological synergy of Cleistocalyx operculatus with other natural substances is confirmed by experimental in vitro and in vivo data, which opens up prospects for the development of combined phytotherapeutic agents with an optimized mechanism of action.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com/
https://link.springer.com/
https://www.tandfonline.com/

Geography of Use and Folk Medicine – Cleistocalyx operculatus

Cleistocalyx operculatus is traditionally used in the regions of Southeast Asia, including Thailand, Vietnam, Malaysia, and Indonesia. In the folk medicine of these countries, the plant was used in various forms: decoctions and infusions from the leaves and bark for rinsing and internal intake, oil infusions for topical application to the skin and mucous membranes. In Thai traditional medicine, Cleistocalyx operculatus is considered a plant with a pronounced anti-inflammatory effect and is used to treat symptoms related to the respiratory system and gastrointestinal tract.

Historically, the first written mentions of the use of this taxon are associated with folk herbals of the region, dating back to the 17th–18th centuries, where the plant was described as a remedy for alleviating inflammatory processes and accelerating wound healing. Among ethnic groups, such as the peoples of central and southern Thailand, the plant was traditionally considered a "plant of strength," used in purification ceremonies and protective rituals, often used for preparing smoking mixtures aimed at cleansing the space and removing negative energy.

In the culture of local peoples, Cleistocalyx operculatus had not only medical but also ritual significance — it was used in ceremonies to attract good luck and protect against evil spirits. In some regions, extracts and infusions of the plant were applied to the body as amulets or talismans, linking it to energetic purification and harmonization of spirit and body.

In Slavic and Central Asian traditions, data on the use of Cleistocalyx operculatus are absent, which is associated with its geographical limitation. Modern ethnobotanical studies record a growing interest in the taxon in the pharmacological practice of Southeast Asia, however, deep cultural aspects and rituals remain the subject of study.