OAK jurnallaridan yig‘ilgan 104809 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
The article focuses on the synthesis of enyne triols and their stereochemical and conformational features. The preparation of Z- and E-isomers, their separation, and structural confirmation through spectroscopic methods…
This article presents information on the geographical distribution, botanical characteristics, chemical composition, and applications of Centaurea species occurring in Uzbekistan. Particular attention is given to the…
Mixed-ligand coordination compounds of VO (II) and Ni (II) with glutaric acid and nicotinamide have been synthesized. The elemental composition and some physicochemical properties of the obtained complexes have been…
This article describes methods for determining the amount of macro- and microelements in berries of Rubus idaeus L. (raspberry) and Rubus caesius L. (blue blackberry) grown in the Fergana district of the Fergana region…
Water-soluble vitamins of medicinal plants were studied using HPLC. It was found that Prunus dulcis stem bark is rich in B2 (5.25 mg/100 g) and B9 (3.35 mg/100 ml), Eriobotrya japonica leaves contain vitamin C (166.4…
This study evaluated the anti-inflammatory activity of Helba (Trigonella foenum-graecum) seed extract under in vivo conditions. Experiments were performed using an acute exudative inflammation model induced by…
This study presents a comprehensive analysis of the thermal properties of charcoal adsorbents obtained from the biomass of apricot, apple, and mulberry tree stems and roots. The research objects were stem and root waste…
This article presents the results of quantitative and qualitative analysis of phenolic compounds in extracts of common Hypericum scabrum and Calendula officinalis plants growing in the territory of Uzbekistan. The main…
In this study, the amount of water-soluble vitamins (vitamin C and B-group vitamins) in selected plant samples was determined using the HPLC method. Standard vitamins and reagents from Germany and China, as well as a…
This study outlines the procedures for sample preparation, working solution formulation, and chemical element analysis in biologically active samples using the ICP-OES method. The sample was ashed in a muffle furnace…
Phenolic compounds are beneficial substances found in plants. They have a strong antioxidant, anti-inflammatory and positive effect on blood circulation. In this study, the amount and types of phenolic substances in the…
Treatment of diabetes mellitus is aimed at using measures aimed at reducing blood glucose levels. Due to the active components such as crocin, crocetin, safranal and zeaxanthin contained in saffron, it is in the center…
The evaluation of alcoholic extracts of mixtures in various ratios prepared from orange and grapefruit peels, considered as waste materials, using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging method…
In this article, the method implemented by Blois, the method for assessing the inhibitory capacity of free radicals of DPPH• (2,2'-diphenyl-1-picrylhydrazyl), is used with minor modifications. The value of antiradical…
The seeds of artichoke (Cynara scolymus L.) and milk thistle (Silybum marianum L.) possess a distinctive chemical composition and contain a variety of beneficial macro- and microelements. In this study, the mineral…
Nowadays, interest in folk medicine is increasing worldwide. Products derived from plants are widely used due to their fewer complications and lower toxicity compared to surgical and synthetic drugs. Around 80-85% of…
The aim of this study is to evaluate the antiradical properties of harvested barley (Hordeum) grain using the DPPH method, compare the antioxidant activity of extracts obtained using different solvents, and evaluate the…
The free amino acids of the fruit of the fennel were studied by the HPLC method. It revealed 20 amino acids with a total content of 35 mg/g. Among them, proline (4,798 mg/g) was dominant, and the amount of cysteine…
The article presents the results of studies conducted to evaluate the antioxidant activity of the peel of different orange varieties, in particular Iranian, African, Chinese and Turkish oranges, as well as yellow-green…
This article presents the results of a study on the antioxidant activity of various compositions made from the peels of Turkish mandarins and Iranian kiwis, which are considered waste products. The findings showed that…
Modern medicine carries out a lot of practical work on the treatment and prevention of vitiligo. The article provides brief information on the determination of some vitamins in the plant St. John's wort (Hypericum…
The evaluation of the antiradical activity of alcoholic extracts from the food supplements "Asfam" and "Asfalaym," developed from the peels of kiwi, mandarin, lemon, and lime—considered as waste materials—demonstrated…
In this work, a study was carried out by the interaction of metronidazole with apple pectin by IR Fourier of Spectroscopy. It is shown that the presence of a complexation ability of pectin allows the immobilization of…
This study presents the results of research on the chemical composition and biological activity of oils obtained from horse chestnut seeds (Aesculus hippocastanum L.) and amaranth (Amaranthus spp.). The aim of the study…
This article presents the results of a study on the amino acid composition and biological activity of the Fritillaria severzowii plant extract. The total content of proteins and amino acids in various parts of the plant…
The article presents the results of determining the content of macro- and microelements in the composition of lubricants "C1" and "C2" intended for the treatment of skin diseases vitiligo based on fish offal, using the…
The article presents information on the chemical composition of the hairy thistle plant, its significance for human health, and the amount of flavonoids in the plant's alcoholic extract, which were analyzed using…
In this scientific work, the antiradical (antioxidant) activity of extracts of horse chestnut (Aesculus hippocastanum) and garlic (Allium sativum) plants was studied. The main goal of the study was to determine the…
In this scientific study, the molecular structure, charge distribution, and bond lengths of usnic acid were investigated using ab initio quantum-chemical methods based on the Gaussian 09 software package. Calculations…
This article examines the antioxidant activity of various citrus peel mixtures commonly found on store shelves. The results showed that the antioxidant activity of the compositions prepared in a 1:3 ratio based on local…
The article presents the results of HPLC determination of the amount of some flavonoids, such as gallic acid, rutin, salicylic acid, quercetin and apigenin, contained in the plant Polygonum aviculare L., growing in…
This article briefly describes the scientific research conducted by scientists on the effects of laser beams on chemical components of food products using laser technology, as well as their results.
Macrophages play a crucial role in the immune response of the body, including protection against infections and maintaining homeostasis. However, in the context of oncological diseases, macrophages can have both…
This article provides information about the chemical composition, botanical characteristics, and the role of the Bidens plant in traditional medicine. The content of flavonoids in the dry extract of Bidens was…
This article describes Lonicera nummularifolia L. and provides a brief morphological and biological characterization of the plant, as well as its significance in traditional medicine. Lonicera nummularifolia L. was…
This article explores the immunotherapeutic significance of the enzyme NTPDase 8 in oncology. In recent years, immunotherapy has emerged as a promising approach in the fight against cancer, highlighting the growing need…
In this work, the role of adenosine receptors A1 in the tumor process and the possibility of its use and the quality of the therapeutic target are analyzed. Receptor A1 plays a key role in the regulation of cell…
The antiradical activity of an extract obtained from the dried and ground aerial part of the dioecious nettle (Urtica dioica L.) by extraction in 96% ethanol using an ultrasonic bath for 20 minutes was evaluated using…
This article describes the properties, metabolites of chemical transformations, and the use of Amygdalin in the treatment of oncological diseases. The proposed mechanisms of action of amygdalin on cancer cells, the…
In this article, the amount of water-soluble vitamins contained in the Maclura pomifera fruit growing in Uzbekistan was determined and analyzed using the HPLC method. While 7 different vitamins have been studied in…
This article identifies and analyzes the content of water-soluble vitamins in the fruits of Maclura pomifera growing in Uzbekistan using HPLC. Additionally, a comparison was made with the amounts found in Maclura…
This article presents the results of the evaluation of the antiradical activity of the alcoholic extract of potato (Solanum tuberosum L.) leaves by the method of quenching diphenylpicrylhydrazyl (DPPH) free radicals and…
The article presents the results of a study of changes in the antioxidant activity of the food supplement "Ascalcium" containing natural biological substances under the influence of laser treatment. According to the…
The article presents the results of a study on the antiradical activity of aqueous and alcoholic extracts from the aerial part of Tanacetum vulgare, evaluated using spectrophotometric analysis based on the…
This article presents the titrimetric indicators of the pectin substance obtained from the Uzbekistan, Andijan, Marhamat, and Ulug'nor varieties of local amaranth grown in the Tashkent and Andijan regions of our…
This article discusses the nutritional composition, biologically active substances and their beneficial properties of basil (Ocimum basilicum). The essential oils, vitamins, macro- and microelements contained in basil…
The elemental composition of the leaves, flowers and roots of Taraxacum officinale WIGG was studied using optical emission spectrometry with inductively coupled argon plasma and showed that the dominant elements are K…
Modern food chemistry and folk medicine focus on creating biologically active supplements based on natural antioxidants. The study analysed the antioxidant properties of hazelnut, cinnamon, and barberry extracts. The…
This article focuses on the methods of quantitative chemical analysis of mixed fabrics composed of polyester and wool fibers. The study describes a methodology for determining fabric composition by dissolving wool using…
This paper presents a method for determining the quantitative composition of two-component textile samples made from elastane and other types of fibers, such as cotton, viscose, cupro, modal, polyamide, polyester, or…