1.Pharmaceutical coating: A review
Maralgua A ; Maral L ; Munkhzaya B ; Bujinlkham B ; Saikhanbayar P ; Lkhaasuren R ; Akhsholpan B
Mongolian Pharmacy and Pharmacology 2024;24(1):63-67
Coating agents are used in medicine to protect tablets from air or moisture, to mask bitter tastes, or to
provide special characteristics for drug release, such as enteric release. There are three main coatings: sugar coating , film coating, and enteric-coating. In this review, we discuss the status of the most commonly used pharmaceutical film coating materials and data were obtained from electronic databases such as PubMed, Google Scholar, and other scientific websites. There are various materials for creating a tablet coating, but the most commonly used material is a water soluble polymer which is used for making a water-soluble film coating.
2.Incompatibility of drug excipients: A review
Maral L ; Maralgua A ; Munkhzaya B ; Bujinlkham B ; Saikhanbayar P ; Lkhaasuren R ; Akhsholpan B
Mongolian Pharmacy and Pharmacology 2024;24(1):68-71
Excipients are important in the composition of drugs and are the most important requirements for maintaining
the stability of drug form, dosage, and physicochemical parameters. Excipients act as protective agents,
bulking agents and can also be used to improve bioavailability of drugs in some instances Auxiliary
substances included in the composition of medicines are classified as natural, animal, synthetic and
semisynthetic. Excipients can become inactive due to chemical, microbiological and physiological effects.
Commonly used pharmaceutical excipients are fillers, stabilizers, preservatives, flavor and aroma modifiers,
binders, disintegrants, lubricants, lubricants, solvents, and coating agents. Excipients can be considered as
indispensible component of medicinal products and in most of the formulations they are present in greater
proportion with regards to active pharmaceutical ingredient, as it forms the bulk of the formulation it is
always necessary to select an excipient which satisfies the ideal properties for a particular excipient. In this
review, materials about coating agents widely used in pharmaceutical practice were compiled from electronic
databases such as Pubmed, Google Scholar, and other scientific web pages, using keywords such as Drug
excipient interaction, Stability in Oral Solid, and Excipient. .
3.Review of medicinal plant decontamination methods to ensure microbiological aspects
Munkhzaya B ; Saikhanbayar P ; Maral L ; Maralgua A ; Bujinlkham B ; Lkhaasuren R ; Akhsholpan B
Mongolian Pharmacy and Pharmacology 2024;24(1):72-79
The incorporation of botanical elements such as Inula helenium L., Astragalus mongolicus Bge.,
Iris tenuifolia Pall., Ribes diacanthum Pall., and Oxytropis pseudoglandulosa Grubov plays a pivotal role in the formulation of immune-enhancing and kidney-protective Mongolian traditional medicines. These herbal constituents bear rich historical significance in traditional remedies. Ensuring the purity of these herbs is a vital stride in the production of efficacious supplements and medications. Thus, meticulous decontamination of microorganisms assumes paramount importance. The selection of an appropriate sterilization method is important for manufacturers. Sterilization methods divide within three main categories: thermal, chemical, and radiation. This spectrum encompasses many techniques, ranging from moist heat and dry heat to gamma irradiation, ethylene oxide, ozone, and UV treatment. This comprehensive review discusses the efficacy of gamma irradiation, dry heat, moist heat, and chemical treatments, presenting a comparative analysis of their merits. Practically, heat sterilization emerges as a simple and cost-efficient choice. The utilization of an autoclave, subjecting powdered spice paprika to temperatures between 108-125°C for 120 seconds, yielded a substantial reduction in microbial load without compromising the integral bioactive compounds. Gamma
irradiation, a common practice in the healthcare and pharmaceutical sectors, stands as another choice in the area of sterilization techniques. Beyond sterilization, upholding rigorous standards of sanitation and hygiene remains a key in the preparations of medicinal plants.
4.ЭМНЭЛЗҮЙН УРЬДЧИЛАН ТООЦООЛОХ ДҮРМЭЭР НОЙР БУЛЧИРХАЙН ЦОЧМОГ ҮРЭВСЭЛТЭЙ ЭМЧЛҮҮЛЭГЧИЙН ТАВИЛАНГ ТОДОРХОЙЛОХ БОЛОМЖ
Dariimaa G ; Otgonjargal B ; Oyundari B ; Maral-Erdene D ; Tserennadmid Ts ; Davaadulam E
Innovation 2017;11(2):127-130
Нойр булчирхайн цочмог үрэвсэл, эмнэлзүйн урьдчилан тооцоолох дүрэм, Ranson –ийн шалгуур, APACHE II-ийн шалгуур
A clinical prediction rule is a type of medical research study in which researchers try to
identify the best combination of medical sign, symptoms, and other findings in predicting
the probability of a specific disease or outcome. More than 80% of all patients with
acute pancreatitis recover promptly without developing severe pancreatitis. The presence
of early organ failure (within 24 hours of admission), multiple-organ system failure,
and persistent or progressive (present beyond 48 hours after admission) organ failure are
associated with prolonged hospitalization, ICU admission, need for surgery, and death.
In high developed country, Ranson and APACHE II prognostic criteria are used in order
to evaluate patient´s situation and modified treatment tactics. That is give an idea us
to carry out retrospective study, by using patients´ documents, who hospitalized in National
central hospital in last year. As result, according to Ranson´s criteria 13 (31.7%) of
all patients had 0-2 score, which means mortality risk was 1.8%, 20 (48.8%) had 3-4 score
(mortality risk is 11%), 8 (19.5%) were estimated 5-6 score, having 33% of mortality risk.
Whereas, regarding to APACHE-II criteria 14 (34.2%) of total patients had score of 0-4,
showing 4% of mortality risk, 23 (56.1%) were scored 5-9, having 8% of risk, 3 (7.3%) were
scored 10-14, having 15% of risk, 1 (2.4%) had 15-19 score, having 24% of risk. Moreover,
we determined that incomplete laboratory test, meaning essential prognostic criteria
not used in Mongolia.
5.Study of some bioactive substances contained in dry extracts of cultivated Inula helenium L. plant
Bujinlkham B ; Sugarmaa B ; Batdorj D ; Ganchimeg G ; Saikhanbayar P ; Munkhzaya B ; Maral L ; Badamtsetseg S ; Lkhaasuren R ; Akhtolkhyn T
Mongolian Pharmacy and Pharmacology 2024;25(2):29-37
Introduction:
Since 1993, the Inula helenium L. plant has been planted in the production area (Bulgan
Province, Dashinchilen Sum) of the Traditional Hatchery Science and Production Corporation’s medicinal
plant introduction and cultivation experience. At the Drug Research Institute, there is also a botanical institute
for medicinal plants where it is grown. In traditional Mongolian medicine, the roots and rhizomes of Inula
helenium L. are used to reduce inflammation, boost immunity, enhance hunger, and improve intestinal
motility. Inula helenium L. roots and rhizomes contain biologically active compounds such as monoterpenes,
sesquiterpenes, phenols, flavonoids, and polysaccharides.
Methods:
The roots and rhizomes of Inula helenium L. were extracted with water and 70% ethanol at the
following ratios 1:10 (2% of WAC), 1:8, and 1:6 by partial maceration at 700C for 2 hours each, extracted
and concentrated. The dry extract was obtained by the spray drying procedure. High-performance liquid
chromatography for determining the content of alantolactone, thin-layer chromatography for qualitative
analysis. Spectrophotometer for determining the content of polyphenolic compounds, colored compounds
with Folin-Ciocalteu reagent for qualitative analysis. Spectrophotometer for determining the content of inulin, and colored compounds with phenol and sulfuric acid solutions for qualitative analysis.
Conclusion
In determining the content of polyphenolic compounds, inulin, and alantolactone in the dry extract
taken from the roots and rhizomes of cultivated Inula helenium L., the content of polyphenolic compound in dry extract A was 2.50±0.08%, and alantolactone was 1.39±0.11% in the raw material of the plant, while B dry the extract had a high concentration of inulin of 58.51±0.66%.
6.Standardization of dried tuber of Jerusalem Artichoke (Helianthus tuberosus L.)
Batdorj D ; Maral L ; Maralgua A ; Nomin J ; Battulga B ; Tserenkhand G ; Lkhaasuren R ; Khurelbaatar L ; Badamtsetseg S
Mongolian Pharmacy and Pharmacology 2024;25(2):45-51
The Jerusalem Artichoke (JA) (Helianthus tuberosus L.) is an annual plant native to North America and widely distributed in Europe and Central Asia. The tuber of JA contains 80% water, 15% polysaccharide (Inulin etc.), 2% protein, and a small amount of starch and fat. Inulin is a polysaccharide that is widely used as a prebiotic, fat substitute, and sugar substitute. This substance has high biological activity and is contained in large quantities.
The purpose of this study was to standardize the quality and safety of dried tubers of JA. Standardization includes parameters such as microscopic analysis, identification, quantification, validation of methods following the guidelines issued by ICH guidelines, and quality, including safety analysis (appearance, moisture, mechanical impurities, heavy metals, microbiological purity).
The content of inulin was 64.17±1.25%. The mean relative standard deviation of method validation (RMS%) was 1.27%, 1.18%, 1.22%, and the relative mean standard deviation (RMS) of method precision was 1.94%. The specific absorbance was 307 nm. The correlation coefficient R2=0.9998 was obtained for the reference curve of the standard substance. The detection limit of the method was 2.64 μg/ml, and the detection limit was 7.99 μg/ml.
The method mentioned above has been confirmed to be suitable for the quantitative determination of inulin in the tuber of JA. Moreover, Microbiological purity and heavy metal requirements are met.
7. Subchronic toxicity and sedative activity studies of herbal complex preparations
Maral-Erdene G ; Batdavaa B ; Chimgee Ts ; Yeruult Ch ; Enkhmaa G
Mongolian Journal of Health Sciences 2025;85(1):168-172
Background:
According to the World Health Organization (WHO), approximately 70-95% of developing countries rely
on traditional medicine, which includes around 365 plant, animal, and mineral-based preparations. Natural products consist of numerous biologically active compounds that exert effects against pathogens, making up about 25% of modern
pharmaceuticals derived from plants. Since plants are a combination of various metabolites, they can have therapeutic
effects, side effects, and toxicity in the human body. Based on the traditional use of medicinal herbs in Mongolian and
Tibetan medicine for their sedative properties, we selected the medicinal herbs Valeriana officinalis L. and Leonurus sibiricus L., The objective is to develop new medicinal preparations that can be utilized in modern medical practice to treat,
prevent, or supplement the treatment of depression and anxiety. Consequently, it is necessary to prepare a herbal complex
from these selected plants and conduct studies to investigate their subchronic toxicity and sedative activities.
Aim:
To study subchronic and sedative activity of herbal complex preparations.
Materials and Methods:
The herbal complex preparation was prepared from the 70% ethanol extract of the roots of Valeriana officinalis L. and the aerial parts of Leonurus sibiricus L., and a compound preparation was made in a 30:70 ratio.
Subchronic toxicity study was conducted on Wistar rats weighing 180-250 g according to the OECD-407 guidelines. The
sedative activity of herbal complex preparation was studied on C57BL/6 and BALB/c mice using the dark/light transition
test according to Takao K., and the hole-board test according to Hiroshi Takeda.
Results:
In the sub-chronic toxicity study of the herbal complex preparation, biochemical analysis of the serum (including
ALT, AST, creatinine, and urea) and histopathological examination of the liver, kidney, and heart showed no statistically
significant changes when comparing the experimental groups to the control group. The herbal complex preparation at a
dose of 1000 mg/kg increased the time spent in the dark area, decreased the time spent in the light area, and the number
of transitions between the two areas of mice in the dark/light transition test, and reduced the number of head-dipping into
the holes of mice in the hole-board test.
Conclusion
The herbal complex preparation exhibited low toxicity at doses of 1000 mg/kg and 1500 mg/kg based on
biochemical and histopathological examinations in the subchronic toxicity study. Furthermore, the preparation demonstrated sedative effects at a dose of 1000 mg/kg.
8.Study of the subacute toxicity and antibacterial activity of Phythonephro-SAN Preparation
Batdavaa B ; Maral-Erdene G ; Chimgee Ts ; Enkhmaa G ; Yeruult Ch
Mongolian Journal of Health Sciences 2025;85(1):173-178
Background:
Urinary tract infections (UTIs) are common, affecting 150 million people worldwide annually. It is estimated that 1% of the population suffers from urinary tract infections. The most common infections in kidney and urinary tract
are Escherichia coli, Staphylococcus saprophyticus, Klebsiella, Enterobacter and Proteus which account 80%, 5-15%
and 5-10%, respectively. Oxidative stress, inflammation, and apoptosis are critical factors involved in the pathogenesis
of kidney disease. Oxidative stress, a pathological condition characterized by an imbalance between reactive oxygen species (ROS) and the body’s antioxidant defenses, leads to cellular damage and is directly implicated in the initiation and
progression of acute kidney injury. Antioxidants serve a protective role by mitigating the harmful effects of free radicals
and oxidative stress on cellular structures. Drawing upon the extensive resources of medicinal plants and the therapeutic
practices of traditional medicine, plants rich in antioxidant compounds, including Dasiphora fruticosa (L.), Cynara scolymus (L.), and Rosa acicularis (L.), were selected for the development of the Phytonephro-SAN preparation. The phytochemical profile and nephroprotective properties of these plants have been investigated and validated. Moving forward,
further studies are warranted to assess the safety profile of the formulation, including comprehensive toxicity evaluations.
Aim:
To investigate and establish the subacute toxicity and antibacterial activity of the Phytonephro-SAN preparation.
Materials and Methods:
The subacute toxicity assessment of the Phythonephro-SAN preparation was conducted on
Wistar rats following the OECD-407 guidelines. The study of the antibacterial activity of the preparation was determined
by the broth dilution method.
Results:
The subacute toxicity assessment, evaluated through parameters such as body and organ weights and complete blood count (CBC), revealed no statistically significant differences between the groups administered the Phytonephro-SAN preparation at doses of 500 mg/kg and 1000 mg/kg, and the control group. According to the study of antibacterial activity, Phytonephro-SAN preparation has antibacterial activity at 90 mg/ml and 80 mg/ml doses.
Conclusion
The administration of the Phytonephro-SAN preparation to Wistar rats at doses of 500 mg/kg and 1000
mg/kg over 28 days did not result in mortality, and no significant changes were observed in body and organ weights or
CBC parameters. These findings support the conclusion that the preparation possesses minimal toxicity. Additionally, the
preparation demonstrated effective antibacterial activity against specific urinary tract pathogens at higher concentrations.
9.Management and monitoring of hypokalemia occurring during certain diseases
Temuulen Ts ; Maral B ; Baasanjargal B ; Agidulam Z ; Burenbayar Ch ; Ankhbayar D ; Tsogdulam S ; Amardulguun S ; Otgon-Erdene M ; Anujin G ; Khongorzul U1 ; Delgermaa Sh ; Odgerel Ts
Mongolian Journal of Health Sciences 2025;86(2):51-54
Background:
Hypokalemia is considered when the serum potassium level is less than 3.5 mmol/L. Clinical research indicates
that hypokalemia affects 20% of hospitalized patients, and in 24% of these cases, inadequate interventions result
in life-threatening complications. At present, there is no research available on the prevalence, management, and outcomes
of hypokalemia in hospitalized patients, which justifies the need for this study.
Aim:
The study aimed to examine the prevalence of hypokalemia and the effectiveness of its management in hospitalized
patients within the internal medicine department, in relation to the knowledge of doctors and resident physicians.
Materials and Methods:
This hospital-based retrospective study included a total of 553 cases of patients hospitalized in
the Internal Medicine Department of the Mongolia Japan Hospital between January 2024 and August 2024. Patients with
a potassium level of <3.5 mmol/L were diagnosed with hypokalemia, and the effectiveness of potassium replacement
therapy was evaluated according to the method of supplementation employed.
Results:
The prevalence of hypokalemia among hospitalized patients in the Internal Medicine Department was 9.8%
(54 cases). Based on the study criteria, 42 cases of hypokalemia were selected for further analysis, and a total of 118 potassium
replacements were performed through oral, intravenous, and mixed methods. Following potassium replacement
therapy, 37.3% (44) of patients achieved normalized potassium levels, while 62.7% (74) still had persistent hypokalemia.
Conclusion
According to the study results, the prevalence of hypokalemia among hospitalized patients in the Internal
Medicine Department is 9.8%. The method of potassium replacement and the severity of hypokalemia do not impact the
normalization of potassium levels, with the critical factor being the proper dosage of supplementation. The knowledge
of doctors and resident physicians regarding hypokalemia is insufficient, and there is a need to implement guidelines and
protocols for potassium replacement therapy in daily clinical practice.