
Larysa LenchykNational University of Pharmacy · Department of Chemistry of Natural Compounds
Larysa Lenchyk
Doctor of Science (Pharmacy)
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40
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Introduction
Skills and Expertise
Publications
Publications (40)
COVID-19 is a viral disease that infects the lower airways, causing severe acute respiratory syndrome (SARS) and fatal pneumonia. The ripple effect of the COVID-19 outbreak has created serious problems in the healthcare systems of many countries and had far-reaching consequences for the global economy. Thus, effective control measures should be imp...
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a member of the coronavirus family and could induce the viral disease named coronavirus disease 2019 (COVID-19). The disease became a pandemic after the reported first case in December 2019. In this review, we highlighted the herbal substances with antiviral effects. To examine peer-re...
Background:
Berberine is the main active compound of different herbs and is defined as an isoquinoline quaternary botanical alkaloid found in barks and roots of numerous plants. It exhibits a wide range of pharmacological effects, such as anti-obesity and antidiabetic effects. Berberine has antibacterial activity against a variety of microbiota, i...
Background
Propolis and its major phenolic compound, caffeic acid phenethyl ester (CAPE), have garnered considerable scientific interest due to their anti-inflammatory properties and potential therapeutic applications.
Objectives
This narrative review explores the potential utility of CAPE in cancer treatment.
Methods
We comprehensively reviewed...
Glutathione (GSH) has been the focus of increased scientific interest in the last decades. It plays a crucial role in all major physiological processes by supplying antioxidant defenses through participating in cellular redox reactions in the human body and other living organisms. GSH also participates in detoxifying xenobiotics, protecting protein...
The average worldwide human life expectancy is 70 years, with a significantly higher value in Western societies. Many modern diseases are not associated with premature mortality but with a decreased quality of life in aged patients and an excessive accumulation of various toxic compounds in the human body during life. Today, scientists are especial...
Background: Hair loss or alopecia is a common dermatological condition affecting up to 2% of the world population. It is often caused by hereditary factors, such as male or female pattern baldness, but it can also result from various environmental factors, an unbalanced diet, or chronic illness. While hair loss is not life-threatening, it can cause...
Background:
Coenzyme Q (CoQ) is an enzyme family that plays a crucial role in maintaining the electron transport chain and antioxidant defense. CoQ10 is the most common form of CoQ in humans. A deficiency of CoQ10 occurs naturally with aging and may contribute to the development or progression of many diseases. Besides, certain drugs, in particula...
The coronavirus disease 2019 (COVID-19) pandemic has still tremendous impacts on the global socio-economy and quality of living. The traditional Chinese Medicines (TCM) approach showed encouraging results during previous outbreaks of Severe Acute Respiratory Syndrome-related coronavirus (SARS-CoV) and the Middle East Respiratory Syndrome Coronaviru...
The study aims to review the involvement of differentdietary habits in Laotian, Cambodian, and Vietnamesepopulations in reducing COVID19 impact.Materials and Methods. The methods of collection,systematization, analysis and generalization of information data have been used. The analysis ofliterature in scientific databases and analytical platforms b...
The current review provides an up-to-date analysis of scientific data on astaxanthin (ASX) sources and experimental studies on its health benefits as a potent antioxidant in the aging process. ASX is a liposoluble carotenoid nutrient and reddish-orange pigment, naturally synthesized by numerous microalgae, yeasts, and bacteria as secondary metaboli...
Chronic exposure to arsenic (As) compounds leads to its accumulation in the body, with skin lesions and cancer being the most typical outcomes. Treating As-induced diseases continues to be challenging as there is no specific, safe, and efficacious therapeutic management. Therapeutic and preventive measures available to combat As toxicity refer to c...
Polyphenols (PPs) are a large group of phytochemicals containing phenolic rings with two or more hydroxyl groups. They possess powerful antioxidant properties, multiple therapeutic effects, and possible health benefits in vivo and in vitro, as well as reported clinical studies. Considering their free-radical scavenging and anti-inflammatory propert...
Rapid industrial and technological development has impacted ecosystem homeostasis strongly. Arsenic is one of the most detrimental environmental toxins and its management with chelating agents remains a matter of concern due to associated adverse effects. Thus, safer and more effective alternative therapy is required to manage arsenic toxicity. Bas...
Chronic exposure to arsenic (As) compounds leads to its accumulation in the body, with skin lesions and cancer being the most typical outcomes. Treating As-induced diseases continues to be challenging as there is no specific, safe, and efficacious therapeutic management. Therapeutic and preventive measures available to combat As toxicity refer to c...
Elevated plasma levels of homocysteine (Hcy) are a recognized risk factor for stroke. This relationship represents one aspect of the debated `Hcy hypothesis’. Elevated Hcy may be an independent and treatable cause of atherosclerosis and thrombotic vascular diseases. Further observations indicate that proper dietary supplementation with B-vitamins d...
(1) Background: Italy accounts for more than 150,000 deaths due to the COVID-19 pandemic, leading the top rank in SARS-CoV-2-caused deceases in Europe. A survey on the different ways by which the COVID-19 pandemic emergency was managed in the foreign European countries compared to Italy is the purpose of this paper. (2) Methods: A literature search...
This article focuses on the role pharmaceutical scientists play in achieving social well-being, in particular in the formation of a healthy lifestyle as a value orientation among students and the public in historical retrospect. The following set of research methods was used: a general scientific method, and a historical (chronological, logico-hist...
Prunus domestica - is one of the main fruit crops in Ukraine with a production of about 200 tons per year. In the world over then 2000 varieties of this plant are grown. In Ukraine, the following varieties of plums are zoned: Anna Shpet, Renklod Altana, Ugorka Stanley, Ugorka Italian, Ugorka Azhanska, and others. This plant is the valuable source o...
The COVID‐19 pandemic is a highly dramatic concern for mankind. In Italy, the pandemic exerted its major impact throughout the period of February to June 2020. To date, the awkward amount of more than 131,000 deaths have been reported. Post‐mortem autopsy was performed on a very modest number of patients who died from COVID‐19 infection, leading to...
Liver, as a leading site of metabolism, utilizes various biochemical pathways for energy production and detoxification. Hepatoprotective agents comprise the basis of non-specific pathogenetic therapy of liver diseases. These drugs prevent the damages of the structure and functions of the liver in various pathological conditions, accelerate the rege...
Arsenic (As) is widely used in the modern industry, especially in the production of pesticides, herbicides, wood preservatives, and semiconductors. The sources of As such as contaminated water, air, soil, but also food, can cause serious human diseases. The complex mechanism of As toxicity in the human body is associated with the generation of free...
The role of phytochemicals as potential prodrugs or therapeutic substances against tumors has come in the spotlight in the very recent years, thanks to the huge mass of encouraging and promising results of the in vitro activity of many phenolic compounds from plant raw extracts against many cancer cell lines. Little but important evidence can be re...
Qualitative composition and content of flavonoids and hydroxycinnamic acids in cherry (Prunus cerasus) fruits extract have been studied by HPLC, system Shimadzu LC-20 Prominence module system equipped with LC-20AD quaternary pump, СТО-20А column oven, SIL-20A autosampler, SPD-M20A diode-array detector, Luna C 18 (4.6mm×150mm, i.d. 5 mkm) column fro...
Aim. The aim of our research was fractionation of polysaccharide complexes from fresh plum fruits, comparative study content of neutral sugars in it, element composition of plum fruit and investigation of influence of fibers and water soluble polysaccharide complex (WSPC) on histostructure of rats liver in conditions of ethanol intoxication
Methods...
Qualitative composition and content of phenolic compounds and monosaccharides in the dry extract obtained from cherry leaves before and after hydrolysis have been studied by HPLC, with the Agilent Technologies chromatograph (model 1100)completed with continuous-flow vacuum degasifier G1379A, 4-channel pump of low pressure gradientG13111A, automatic...
Актуальність. Слива домашня Prunus domestica широко розповсюджена в Україні. Її плоди містять широкий спектр біологічно активних речовин з високою антибактеріальною, антиоксидантною, гіполіпідемічною та іншими видами активності, проте монопрепарат на основі сливи на фармацевтичному ринку України відсутній.Метою нашої роботи було вивчення послаблююч...
Aim. To study the qualitative composition and the content of biologically active substances (BAS) in the extract obtained from peach leaves grown in Tajikistan, its numerical parameters and choose the parameters for standardization of the extract.Materials and methods. The object of the study was a soft extract obtained from peach leaves of the “Sa...
The composition of tablets with cherry soft extract codenamed "Fructopad" has been developed and technological properties of tablet granules and crash resistance and friability of tablets have been determined. Based on modern approaches to standardization of herbal medicines, methods of identification and quantitative determination of compounds in...
Aim. The aim of our research was investigation of phenolic constituents, free and connected sugars of the cherry shoots dry extract by the HPLC method and determination of acute toxicity and anti-inflammatory activity of the extract.
Methods. Qualitative composition and content of phenolic compounds and sugars in the cherry shoots dry extract were...
Extracts were obtained from raw materials of cultivated plants from family Rosaceae and pharmacological screening was carried out. It was found that extract of cherry shoots showed diuretic activity higher than the comparator hypothiazide at a dose of 100 mg / kg, extracts from cherry and apricot leaves had significant anti-inflammatory activity in...
Методом газової хроматографії з мас детектором був вивчений якісний склад та вміст органічних кислот в листі сливи. При хроматографування використовували хроматографичну колонку - INNOWAX, діаметром 0,25 мм, завдовжки 30 м. Швидкість газу-носія (гелій): 1,2 мл / хв; температура нагрівача - 250 ° C. Температура термостата програмувалася від 50 до 25...
Bird cherry, Prunus padus is widely distributed in Ukrainian forests. Fresh and dried fruits are highly reputed in Russian, Belarus and Ukrainian ethnoscience medicine for astringent, nutritive and digestive properties and recommended for common cold, strengthening stomach in gastritis, colic, diarrhea, as anesthetic and disinfectant, to improve co...
Introduction. Bird cherry Padus avium Mill, Rosaceae, is
widespread in Ukraine, especially in forests and foreststeppe
areas. Bird cherry fruits have long been used in
medicine and is a valuable medicinal raw materials. They
stated to posess astringent, anti-inflammatory, phytoncidal
properties. Bird cherry fruits are included in the USSR
Pharmacop...