Effects of Corm Treatment with Cold Plasma and Electromagnetic Field on Growth and Production of Saffron Metabolites in .

L. is a widely cultivated traditional plant for obtaining dried red stigmas known as "saffron," the most expensive spice in the world. The response of to pre-sowing processing of corms with cold plasma (CP, 3 and 5 min), vacuum (3 min), and electromagnetic field (EMF, 5 min) was assessed to verify how such treatments affect plant performance and the quality and yield of herbal raw materials.

Lavandula angustifolia Herb from Ukraine: Comparative Chemical Profile and in vitro Antioxidant Activity.

Lavandula L. genus plants have always been relevant as medicines for various purposes in food, medicine, pharmaceuticals, cosmetology and aromology. Ukraine is a new territory in the mass plant cultivation and lavender essential oil production.

Phenological Variations in the Content of Polyphenols and Triterpenoids in Herb Originating from Ukraine.

The composition of secondary metabolites undergoes significant changes in plants depending on the growth phase and the influence of environmental factors. Therefore, it is important to determine the harvesting time of plant material for the optimum secondary metabolite profile and therapeutic activity of the primary material. The shoots of are used as a healing tea due to the presence of polyphenolic compounds.

Thiadiazole and Thiazole Derivatives as Potential Antimicrobial Agents.

Background: This review summarizes data on heterocyclic systems with thiadiazole and thiazole fragments in molecules as promising antimicrobial agents.

Introduction: Thiadiazole and thiazole backbones are the most favored and well-known heterocycles, a common and essential feature of various drugs. These scaffolds occupy a central position and are the main structural components of numerous drugs with a wide spectrum of action.

A Comprehensive Review on Chemical Synthesis and Chemotherapeutic Potential of 3-Heteroaryl Fluoroquinolone Hybrids.

Fluoroquinolones have been studied for more than half a century. Since the 1960s, four generations of these synthetic antibiotics have been created and successfully introduced into clinical practice. However, they are still of interest for medicinal chemistry due to the wide possibilities for chemical modification, with subsequent useful changes in the pharmacokinetics and pharmacodynamics of the initial molecules.

Anti-viral and Anti-inflammatory Isoflavonoids from Ukrainian Iris aphylla Rhizomes: Structure-Activity Relationship Coupled with ChemGPS-NP Analysis.

Dried rhizomes have been used in Chinese and European traditional medicine for the treatment of various diseases such as bacterial infections, cancer, and inflammation, as well as for being astringent, laxative, and diuretic agents. Eighteen phenolic compounds including some rare secondary metabolites, such as irisolidone, kikkalidone, irigenin, irisolone, germanaism B, kaempferol, and xanthone mangiferin, were isolated for the first time from rhizomes. The hydroethanolic extract and some of its isolated constituents showed protective effects against influenza H1N1 and enterovirus D68 and anti-inflammatory activity in human neutrophils.

Synthesis, analysis of mol-ecular and crystal structures, estimation of inter-molecular inter-actions and biological properties of 1-benzyl-6-fluoro-3-[5-(4-methylcyclohexyl)-1,2,4-oxadiazol-3-yl]-7-(piperidin-1-yl)quinolin-4-one.

The title compound, CHNOF, can be obtained a two-step synthetic scheme involving 1-benzyl-6-fluoro-4-oxo-7-(piperidin-1-yl)-1,4-di-hydro-quino-line-3-carbo-nitrile as a starting compound that undergoes substitution with hydroxyl-amine and subsequent cyclization with 4-methyl-cyclo-hexane-1-carb-oxy-lic acid. It crystallizes from 2-propanol in the triclinic space group with a mol-ecule of the title compound and one of 2-propanol in the asymmetric unit. After the mol-ecular structure was clarified using NMR and LC/MS, the mol-ecular and crystalline arrangements were defined with SC-XRD.

Promising anticonvulsant N-[(2,4-dichlorophenyl) methyl]-2-(2,4-dioxo-1H-quinazolin-3-yl) acetamide: dose-dependent study and evaluation of anticonvulsant action spectrum in vivo and in silico.

The anticonvulsant spectrum of the original promising anticonvulsant N-[(2,4-dichlorophenyl) methyl]-2-(2,4-dioxo-1H-quinazolin-3-yl) acetamide was studied. The compound had a pronounced anticonvulsant effect, significantly reducing the mortality of mice in models of seizures induced by pentylenetetrazole, picrotoxin, strychnine, and caffeine. In the thiosemicarbazideinduced seizure model, the test compound did not reduce mortality.

Synthesis, docking, and biological evaluation of novel 1-benzyl-4-(4-(R)-5-sulfonylidene-4,5-dihydro-1H-1,2,4-triazol-3-yl)pyrrolidin-2-ones as potential nootropic agents.

In order to search for innovative nootropic agents, new 1-benzyl-4- (4- (R)-5-sulfonylidene-4,5-dihydro-1H-1,2,4-triazol-3-yl) pyrrolidine-2-ones was synthesized by reacting benzylamine with itaconic acid to 1-benzyl-5-oxopyrrolidine-3-carboxylic acid, which was then subjected to hydrazinolysis followed by the addition of substituted isothiacyanate followed by cyclization of intermediate thiosemicarbazides. The structure and purity of the obtained substances were confirmed by elemental analysis, H NMR spectroscopy, C NMR spectroscopy and LC/MS. Docking studies were performed for the substances synthesized using Autodock 4.

Synthesis, X-ray diffraction study, analysis of inter-molecular inter-actions and mol-ecular docking of ethyl 1-(3-tosyl-quinolin-4-yl)piperidine-4-carboxyl-ate.

The title compound, CHNOS, can be obtained two synthetic routes. According to our investigations, the most suitable way is by the reaction of ethyl 2-bromo-acetate with sodium tosyl-sulfinate in dry DMF. It was crystallized from methanol into the monoclinic 2/ space group with a single mol-ecule in the asymmetric unit.

Design, Synthesis and Biological Evaluation of Novel Promising Analgesics.

Introduction: An analysis of the literature on the painkillers long used in traditional medicine, which are isolated from plant materials, has shown that many of them are alkylamides of various carboxylic acids. This fact served as the basis for the study of a large group of N-alkyl-4- methyl-2,2-dioxo-1H-2λ,1-benzothiazine-3-carboxamides as potential new analgesics. The objects of the study were synthesized in the traditional way involving the initial conversion of 4-methyl- 2,2-dioxo-1H-2λ,1- benzothiazine-3-carboxylic acid to imidazolide, in which imidazolide was used as an acylating agent.

Effective Isolation of Picrocrocin and Crocins from Saffron: From HPTLC to Working Standard Obtaining.

Saffron is widely cultivated and used as a spice. Recently published data on the chemical composition and pharmacological potential of saffron determine its use in pharmacy and medicine. The proposed high-performance thin-layer chromatography (HPTLC) method allows good separation of 11 analytes.

Innovative GACP Approaches for Obtaining the Quality Iris hybrida Leaves for the Pharmaceutical Industry.

The ever-growing demand for active compounds of plant origin contributes to the implementation of cultivation methods for medicinal plants, according to the WHO guideline "Good Agricultural and Collection Practice (GACP) for Starting Materials of Herbal Origin" to obtain high-quality raw material with the stable phytocomponent composition. Therefore, the development of the cultivation and processing stages of Iris varieties leaves is necessary and promising. The present article showed the potential of proper cultivation with GACP recommendations on affecting the phenolic compounds content in Iris×hybrida hort.

Bioactive constituents of Iris hybrida (Iridaceae): Processing effect.

Iris genus plants are a valuable source of bioactive compounds, which are an important component for pharmaceutical development. The present article shows the potential for mineral nutrition with application of magnesium sulfate, iron chelates and potassium oxide affecting the phenolic compound contents in Iris hybrida 'Tsikavynka', I. hybrida 'Tambo' and I.

Comparative analysis of apocarotenoids and phenolic constituents of Crocus sativus stigmas from 11 countries: Ecological impact.

The chemical compositions of 15 saffron samples from 11 countries (Morocco, India, Italy, Spain, Germany, Switzerland, Iran, Lithuania, Ukraine, Australia, and Azerbaijan) were evaluated. The samples were analyzed regarding the impact of environmental factors on the composition of apocarotenoids and phenolic constituents. Quantification of saffron metabolites was carried out using high-performance liquid chromatography.

Pharmacological Potential and Chemical Composition of Leaf Extracts.

L. (saffron) has been traditionally used as a food coloring or flavoring agent, but recent research has shown its potent pharmacological activity to tackle several health-related conditions. sp.

Effective and simple approach for colchicine determination in saffron parts.

Crocus sativus (Iridaceae) or saffron is important for its flavoring properties in the food industry and its medicinal properties in the pharmaceutical industry. Real saffron must meet the quality requirements set to FDA or ISO specifications, and in addition, must be safe and non-toxic. An "autumn crocus" or scientific name Colchicum spp.

Bio-guided bioactive profiling and HPLC-DAD fingerprinting of Ukrainian saffron (Crocus sativus stigmas): moving from correlation toward causation.

Background: Saffron or stigmas of Crocus sativus L. is one of the most valuable food products with interesting health-promoting properties. C.

Comparative Analysis of the Major Metabolites of Ukrainian Saffron Samples by HPLC.

Crocus sativus L. is one of the most valuable crops, which stigmas are used as the food supplement and herbal medicine. In Ukraine, the cultivation of C.

Development of a New Approach for Standardization of the Herb Rafn. by High Performance Liquid Chromatography.

Objectives: The aim of this study was the development a new, fully validated high performance liquid chromatography (HPLC) method for the quantitative analysis of secoiridoid glycosides by an active marker swertiamarin in the herb Rafn. The article describes a new approach to the standardization of and more specifically the development of a new validated HPLC method for the quantitative determination of secoiridoid glycosides by swertiamarin.

Materials And Methods: The quantitative determination of swertiamarin was performed in isocratic mode on a Symmetry C18 column using water and acetonitrile as solvents for the mobile phase.

Simultaneous determination of amoxicillin and potassium clavulanate in combined medicinal forms: procedure transfer from HPLC to UPLC.

This article presents the results of transferring a high-performance liquid chromatography (HPLC) procedure for the assay of amoxicillin and potassium clavulanate in tablets to the ultra-performed liquid chromatography (UPLC) conditions. Since the State Pharmacopoeia of Ukraine (SPhU) does not contain the monograph for the simultaneous analysis of amoxicillin and clavulanic acid, the British Pharmacopoeia procedure was used. Parameters of the procedure were optimized to fit the UPLC and to make a better performance.

Estimation of the influence of the environmental factors on the accumulation of phytochemicals and antioxidant capacity in the ivy leaves ( L.).

This study aimed at evaluating the impact of environmental factors on the accumulation of various components in collected from different European countries. The obtained results of studied samples showed that the antioxidant capacities were in the range of 0.027 to 0.

Qualitative and Quantitative Analysis of Ukrainian Species: A Fresh Look on Their Antioxidant Content and Biological Activities.

The major groups of antioxidant compounds (isoflavonoids, xanthones, hydroxycinnamic acids) in the rhizome methanol extracts of four Ukrainian sp. (, , , and ) were qualitatively and quantitatively analyzed using HPLC-DAD and UPLC-MS/MS. Gallic acid, caffeic acid, mangiferin, tectoridin, irigenin, iristectorigenin B, irisolidone, 5,6-dihydroxy-7,8,3',5'-tetramethoxyisoflavone, irisolidone-7---d-glucopyranoside, germanaism B, and nigricin were recognized by comparing their UV/MS spectra, chromatographic retention time (tR) with those of standard reference compounds.

A Novel Series of [1,2,4]Triazolo[4,3-a]Pyridine Sulfonamides as Potential Antimalarial Agents: In Silico Studies, Synthesis and In Vitro Evaluation.

For the development of new and potent antimalarial drugs, we designed the virtual library with three points of randomization of novel [1,2,4]triazolo[4,3-]pyridines bearing a sulfonamide fragment. The library of 1561 compounds has been investigated by both virtual screening and molecular docking methods using falcipain-2 as a target enzyme. 25 chosen hits were synthesized and evaluated for their antimalarial activity in vitro against .

Effect of ecological factors on the accumulation of phenolic compounds in Iris species from Latvia, Lithuania and Ukraine.

Introduction: It is important to conduct studies on the influence of environmental factors on the accumulation of secondary metabolites in plants, as well as the cultivation of plants and harvesting of their raw material.

Objective: In this study, we examined the influence of habitat types, soil composition, climatic factors and altitude on the content of phenolic compounds in Iris species from different populations in Latvia, Lithuania and Ukraine.

Methodology: According to high-performance liquid chromatography (HPLC) analysis, 25 compounds (flavonoids, isoflavonoids, isoflavonoid glucosides, xanthones, phenolcarboxylic acids) were identified in the methanol extracts of 16 samples of Iris rhizomes.