Food Science Commons^™

The Effect Of Activated Alkaline Earth Bentonite On The Quality Of Vegetable Oils, Nodirbek I. Boyjanov, Islombek I. Boyjanov, Аslbek B. Yulchiev, Kamar P. Serkayev

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the research is to study the adsorption properties and mineralogical structure of alkaline earth bentonites from the Navbakhor deposit, as well as to develop technological regimes for their acid activation for use as bleaching clay in the purification of vegetable oils. The authors, based on the structural structure of the studied bentonites, achieved an increase in adsorption capacity from 35 cm³/g to 100 cm³/g, by treating with hydrochloric and sulfuric acids with a concentration of 15-20% and in a bentonite:acid ratio of 1:2.5 at a temperature below 100°С. Nitrogen adsorption isotherms of activated …

Influence Of Lipolytic Enzymes On The Fractional Composition Of Wheat Alcohol, Bobir S. Kayumov, Saida Sh. Khakimova, Khasan T. Khasanov

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of this work is to study the influence of lipolytic enzymes on the fermentation activity and fractional composition of alcohol by the yeast Saccharamyces cerevisea during alcoholic fermentation. Lipolytic enzymes, intensifying the fermentation process and increasing the yield of the target product, have a positive effect on the physiological activity of yeast cells. Hydrolysis of carboxylic acid esters also occurs due to the hydrolase activity of lipases. In the presence of exogenous lipases, hydrolysis of lipids occurs due to the hydrolase activity of lipases and the fractional composition of alcohol changes. The content of esters is reduced by …

Selection Of Optimal Conditions For The Drying Process Of An Aqueous Extract From The Aerial Part Of Scutellaria Adenostegia, Shohida A. Ergasheva, Muniraxon A. Mamatxanova, Temurbek A. Khajibaev, Ravshanjon M. Khalilov, Akhmatkhon U. Mamatkhanov

CHEMISTRY AND CHEMICAL ENGINEERING

In order to establish optimal drying modes for an aqueous extract from the aboveground part of Scutellaria adenostegia, the following parameters were studied: solution concentration; solution feed rate; temperature of the drying agent at the inlet and outlet; pressure when the solution is fed into the drying chamber. It was found that in order to obtain a dry extract from the aboveground part of Scutellaria adenostegia, antihypoxic action, an aqueous extract obtained with water at a temperature of 60 ° C must be concentrated to a content of 15% of dry substances and dried in a spray dryer of the …

Comparative Analysis Of Aflatoxin Content In Bitter Almond Fruits (Prunus Dulcis Var. Achchiq) Growing In Various Geographical Region Uzbekistan By High-Performance Liquid Chromatography, Abdukhalil Tojikulov, Khabibjon Kushiyev, Tulkin Djuraev, Hasan Bekpulatov

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study was to optimize the process of extraction of aflatoxins secreted by fungi of the genus Aspergillus from almonds, as well as to analyze the content of aflatoxins using high performance liquid chromatography (HPLC). An HPLC LC 2030 C3D Plus (Shimadzu) column Shim-pack GIST-HP C18 150x4.6 mm 3 µm (Shimadzu) was used at a ratio of H₂O/H₃C-CN = 40/60 as an eluent at a thermostat temperature of 40 degrees Celsius. Based on the analysis on a fluorescent detector RF-20A with an excitation wavelength of 365-450 nm and a flow rate of 0.5 …

Researching Of The Shelf Life And Quality Of Margarine Enriched In Inulin, Shakhnozakhon Salijonova, Akbarali Ruzibayev

CHEMISTRY AND CHEMICAL ENGINEERING

Extensive research is being carried out in the world on the effective use of non-traditional plant raw materials, its production in margarine, mayonnaise and similar oil and fat products. In this aspect, special attention is paid to improving targeted technological processes, developing margarine formulations from local raw materials, increasing the nutritional and biological value of products, efficient use of natural raw materials and expanding the range of products. The aim of the study is to study the shelf life of the obtained diabetic low-calorie margarine based on the extract of Jerusalem artichoke tubers. Based on the research, it was determined …

Effect Of Very High Frequency Microwave Light On Bread Properties, Dilrabo Tuychieva, Gulnoza Djakhangirova, Yodgorbek Ismoiljonov

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the research was to study the effect of microwave on the baking properties of flour obtained from disinfected wheat grain. Trial laboratory baking from grain decontaminated by microwave was carried out. The main physical and chemical indicators of the quality of bakery products are humidity; acidity and porosity. As the object of the study, we used shaped and hearth bread from flour of the 1st grade, made from grain disinfected by microwave. The most acceptable parameters of neutralization were identified, in particular, the duration of exposure to microwave and the amount of power at which the studied …

Investigation Of The Process Of Cotton Cake Extraction Under The Influence Of Pulsed Electric Current, Fazliddin Kayimov, Kakhramon Majidov, Nargiza Sabirova

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of work is study the process of cotton cake extraction by exposure to pulsed electric current. The kinetic equations determined the dependences of technological parameters on external and internal factors. It is established that the technological parameters determine the choice of appropriate dependencies for calculating the parameters of the kinetic equation. Mathematical processing and planning of the experimental data results conducted for extraction of cotton cake.

Activation Of Water Used In The Preparation Of Wheat Grain For Varietal Milling, Suvankul Ravshanov, Ismoil Isabaev

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of the study is to change the properties of water in order to achieve the optimum impact on wheat grain in preparation for variety milling. The results of influence on the properties of drinking water by acoustic waves in the frequency range of 10-1000 Hz for 1 minute were determined. It is established that the optimal range of exposure is the interval of 80-100 Hz. At the same time water activation is achieved, leading to changes in its properties, such as specific water resistance, electric conductivity, content of dissolved salts, which positively affects the technological indicator - the …

Improvement Of Fruit-Berry Wine Technoloгy Based On Biocatalytic Processes, Umid Abdullayev, Shakhnoza Ziyaeva, Akmal Boboev

CHEMISTRY AND CHEMICAL ENGINEERING

In the conditions of Uzbekistan, an increase in the range of wines through the production of natural and environmentally friendly wines from fruit and berry raw materials, as well as the efficient use of raw materials and the production of export-oriented natural young wines is an urgent problem. Based on this, the purpose of this study was to improve the technologies existing in Uzbekistan for the production of fruit and berry wines on a biocatalytic basis, by stimulating zymogenic enzymes of raw materials and yeast exohydrolases. To achieve this goal, berries such as red cherries, strawberries, raspberries, currants and mulberries …

Research Of The Process Of Extraction Of Black Cumin Oil With Preliminary Heat Treatment, Jasur Farmonov, Murodjon Samadiy, Kamar Serkayev, Toyir Safarov, Changeng Liu

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study is to increase the yield of oil from black cumin seeds. The results of studies of the influence of technological parameters - temperature and duration of drying of black cumin seeds on indicators of the yield of oil, cake and moisture removal from seeds are presented. The optimal technological parameters of the influence of the preliminary heat treatment process on the indicators of the maximum oil yield, acid number, color, and oil moisture have been established. The variable parameters were the temperature from 80 to 130 °C and the duration of the heat treatment process …

Development Of Technology For Producing Food Sweeteners From Stevia And Their Immunomodulating Effect, Isomiddin Bobaev, Маrkhаbоhон Makhmudova, Makhbuba Alimova, Alimdjan Sadikov, Shamansur Sagdullaev

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study is to develop a technology for the production of food sweetener from stevia (Stevia rebaudiana Bertoni) - a plant of the Asteraceae (Compositae) family, cultivated in Uzbekistan using alcohol extracts. Diterpene glycosides were isolated from the extract - stevioside (1), rebaudioside A (2) and other biologically active substances. Pharmacological studies in mice have shown the presence of an immunostimulating effect in the alcoholic extract and in the individual diterpene glycoside, stevioside (1).

Simulation Of The Extrusion Process Oil Crops Waste, On The Example Of Flax., Mukhtar Tultabaev, Umyt Zhumanova, Aleksandr Borovski, Marzhan Kizatova

CHEMISTRY AND CHEMICAL ENGINEERING

The modern fodder base does not allow organizing a full and balanced feeding of animals, which leads to the use of the genetic potential of livestock productivity by only 40-60%. As a result of the work, the extrusion of waste of post-harvest processing of oilseeds growing in Northern Kazakhstan (flax) was carried out. In the process of work, an experiment planning matrix was drawn up, on the basis of which experiments were carried out on the extrusion of oilseed waste. The research results were processed and mathematical models of optimization were obtained.

Technology Of Obtaining A Food Additive From Citrullus Colocynthis And Its Hypoglycemic Activity, Isomiddin Bobaev, Маrkhаbоkhон Makhmudova, Khayrulla Bobakulov, Vladimir Syrov, Nasrulla Abdullaev

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study is to develop a technology for obtaining a food additive for the extract of the pulp of bitter watermelon - Citrullus colocynthis, introduced in Uzbekistan as a hypoglycemic agent. Pharmacological studies have shown the presence of a hypoglycemic effect for aqueous and alcoholic extracts and 2-O-β-glucopyranosyl-cucurbitacin E in rats with alloxan diabetes mellitus. Cucurbitacins were isolated from the extract - cucurbitacin E, 2-O-β-glucopyranosyl-cucurbitacin E and other bioactive substances.

The food supplement obtained from bitter watermelon (Citrullus colocynthis (family Cucurbitaceae)) according to the developed technology showed a higher hypoglycemic activity compared to the drug arfazetin.

Research Of The Extraction Process And Stock Of Phenolic Compounds Of Localized Wine-Technical Red And White Varieties Of Grapes, Abdullayev Umid

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the study was to determine the technological stock of phenolic compounds in European technical grape varieties grown in the climatic conditions of Uzbekistan, used to produce white and red wines. UV-Vis spectrophotometric method determined the total content of phenolic compounds in localized wine-technical grape varieties. Using high performance liquid chromatography (HPLC), the qualitative and quantitative content of groups and subgroups of phenolic compounds was studied, biologically active components obtained in the process of their extraction were identified, and studies were carried out to analyze the types of phenolic compounds by chromatographic separation in certain wine-technical grape varieties. …

Effect Of The Use Of Activated Water On The Rheological Properties Of Milled Flour In The Preparation Of Local Wheat Grains Grown In Arid Climates For Varietal Grinding, Ravshanov Suvankul, Mirzayev Jamol, Saparov Bekhruz, Musaev Khasanjon

CHEMISTRY AND CHEMICAL ENGINEERING

The article discusses the analysis of studies on the effect of activated water on the preparation of wheat grains grown in an arid climate for high-quality flour grinding. The aim of the study was to study the effect of the use of activated water on the rheological properties of type IV wheat flour grown in arid climates, in the preparation of wheat flour for grinding. In a study of the strength of the gluten framework and the rheological properties of the dough increased by increasing the water absorption capacity of flour when using activated water at 80 and 100 Hz …

Reducing Calories Of Margarins, Khodjaev Sarvar, Abdurakhimov Saidakbar, Akramova Rano

CHEMISTRY AND CHEMICAL ENGINEERING

The goal is to reduce the calorie content of margarines by changing the composition and fat base. In this regard, we studied the change in caloric content and the content of trans-acids in margarines with a change in their fat content. To reduce calorie content, the fat base of margarine was also reduced to 60%, and to increase the biological value of the product, it was enriched with highly unsaturated fatty acids. It was determined that with an increase in the number of unsaturated fatty acids and a decrease in the margarine fat content, the stability of the emulsion deteriorates. …

Chromatographic Analysis Of The Effect Of Catalyst Quantities On The Hydrogenization Process, Rakhimov Dilshod, Ruzibayev Akbarali, Eyupov Edem, Dadamukhamedov Khojiakbar

CHEMISTRY AND CHEMICAL ENGINEERING

Oil and fat industry is one of the important sectors of the food industry. Salomas (Hydrogenated oil) for food and technical purposes are the main components of margarine products, toilet, household soaps, various technological lubricants, cosmetic creams and can be used as valuable chemical raw materials. Objective: ox work is to study the effect of the amount of catalyst on the hydrogenation of cottonseed oil by chromatographic analysis of the resulting salomas. It is confirmed that an increase in the amount of the catalyst from 0.05 to 0.4% increases the melting point of salomas and reduces the iodine number, which …

Extraction Of Unsaturated Fatty Acids From Vegetable Oils, Pecherskaya Mariya, Mamatkulov Shavkat, Ruzimuradov Olim, Butanov Khakimjan

CHEMISTRY AND CHEMICAL ENGINEERING

The article studies the possibility of extraction of monounsaturated oleic acid from highly stable vegetable oils produced at industrial scale. To solve the set tasks, have been selected samples of vegetable oils, present in the domestic market with a high content of unsaturated fatty acids: cottonseed and sunflower, imported rapeseed and olive oils. These oil samples were degraded by hydrolysis, recovered by acid treatment, and purified by repeated recrystallization in ethanol. The composition of saturated and unsaturated fatty acids included in triglycerides of vegetable oils was investigated using gas chromatography-mass spectrometry (GC-MS). In the obtained samples, the fatty acid composition …

Water-Soluble Jerusalem Artichoke Extracts As Fat Replacer In Dietary Margarine Recipe, Salijanova Shahnozaxon, Ruzibayev Akbarali, Rakhimov Dilshod, Xusanov Zafar

CHEMISTRY AND CHEMICAL ENGINEERING

Creating dietary margarines using biologically valuable substances is the purpose of the work. According to the results of the experiments, it was found that the use of soybean oil, edible vegetable phospholipids and a Jerusalem artichoke extract in the margarine, allowed reducing the amount of fat and enriching the margarine with omega-3 and omega-6 fatty acids, dietary fibre, inulin and other water-soluble substances. Based on these studies prepared margarine enriched inulin and essential fatty acids, which provide not only a preventive property of the finished product, but also high flavor indicators, as well as, original and attractive appearance.

Method For Using Soya Grain Juice In Production Of Pasta Products, Sanaev Ermat, Tursunkhodjaev Po'lat, Ayhodjaeva Nodira, Umarov Orif

CHEMISTRY AND CHEMICAL ENGINEERING

Considering the protein need for human nutrition, the use of protein-rich grains plays an important role in the production of pasta. The study used soy protein as one of the protein sources, which serves as an effective source of energy in the physical and mental activities of humans. In the form of nutritious juice from soybeans, a protein concentration of 4.67% was obtained, and the resulting soy juice, rich in proteins, was used as an unconventional raw material for the production of pasta. Concentrations and methods were identified that made it possible to achieve technological and economic efficiency.

The Effect Of Hydrothermal Treatment In Increasing The Strength Of The Shell Of Wheat Grain In Preparation For Varietal Grinding, Ravshanov Suvankul, Mirzayev Jamol, Musaev Khasanjon

CHEMISTRY AND CHEMICAL ENGINEERING

The effect of hydrothermal treatment on the strength of the wheat grain shell before the first torn process is investigated. It was found that the anatomical parts of wheat grains grown in arid climatic conditions are firmly interconnected, which, in turn, affects the yield and quality of varietal flour. The aim of the study is to weaken strong native connections and improve the yield and quality of flour. The effect of NaHCO3, H3PO4, CH3COOH, HCl additives to water on the yield and quality of flour was studied. Accordingly, in solutions of 0.1-0.2% hydrochloric acid and 0.3-0.8% phosphoric acid, an increase …

Innovative Cotton Oil Refining Technology, Majidova Nargiza, Sattarov Karim, Majidov Kaxramon, Ismatov Sunatillo

CHEMISTRY AND CHEMICAL ENGINEERING

The results of partial and final refining of raw cottonseed oil by solution of aluminates and and sodium hydroxide are given. The intensification of the technological process is carried out by the treatment of alkaline solutions by exposure to electromagnetic field intensity. Increase in yield and quality improvement of refined oil is achieved.

New Composition And Method For Producing Pasta, Sanaev Ermat, Tursunkhodjaev Pulat, Ayhodjaeva Nodira, Normatov Anvar

CHEMISTRY AND CHEMICAL ENGINEERING

The main objective of this study is to develop a composition of pasta containing a mixture of ginger, lemon and mint powder, as well as a combination of legumes and cereals with high nutritional value. This will expand the range of pasta. The problem of achieving high quality and economic efficiency is solved by improving several technological processes and using innovative methods. The effectiveness of using innovative methods of sublimation and microwave drying is shown in comparison with the drying process of instant pasta by frying it in vegetable oil.

Research Of The Process Of Obtaining Interesterified Fat For Margarine Production On The Basis Of Sunflower Oil And Palm Stearin, Rahimov Dilshod, Ruziboyev Akbarali, Tashmuratov Asatullo, Salijanova Shaxnoza

CHEMISTRY AND CHEMICAL ENGINEERING

The study presents the results of transesterification of a mixture of sunflower oil and palm stearin in various proportions and dilatometric analysis of the obtained transesterifications was carried out. For example, the ratios in the mixture of sunflower oil and palm stearin 15/85, 25/75, 30/70, 50/50 were subjected to transesterification in the laboratory, and the transesterifications used for the spread and margarine were obtained, and the optimal mixture ratios were determined. By dilatometric analysis, it was found that it is possible to obtain interesterificates in the ratio of a mixture of sunflower oil and palm stearin at 50/50 for a …

Method For Using Soya Grain Juice In Production Of Pasta Products, Sanaev Ermat, Tursunkhodjaev Po'lat, Ayhodjaeva Nodira, Umarov Orif

CHEMISTRY AND CHEMICAL ENGINEERING

Considering the protein need for human nutrition, the use of protein-rich grains plays an important role in the production of pasta. The study used soy protein as one of the protein sources, which serves as an effective source of energy in the physical and mental activities of humans. In the form of nutritious juice from soybeans, a protein concentration of 4.67% was obtained, and the resulting soy juice, rich in proteins, was used as an unconventional raw material for the production of pasta. Concentrations and methods were identified that made it possible to achieve technological and economic efficiency.

The Effect Of Hydrothermal Treatment In Increasing The Strength Of The Shell Of Wheat Grain In Preparation For Varietal Grinding, Ravshanov Suvankul, Mirzayev Jamol, Musaev Khasanjon

CHEMISTRY AND CHEMICAL ENGINEERING

The effect of hydrothermal treatment on the strength of the wheat grain shell before the first torn process is investigated. It was found that the anatomical parts of wheat grains grown in arid climatic conditions are firmly interconnected, which, in turn, affects the yield and quality of varietal flour. The aim of the study is to weaken strong native connections and improve the yield and quality of flour. The effect of NaHCO3, H3PO4, CH3COOH, HCl additives to water on the yield and quality of flour was studied. Accordingly, in solutions of 0.1-0.2% hydrochloric acid and 0.3-0.8% phosphoric acid, an increase …

Innovative Cotton Oil Refining Technology, Majidova Nargiza, Sattarov Karim, Majidov Kaxramon, Ismatov Sunatillo

CHEMISTRY AND CHEMICAL ENGINEERING

The results of partial and final refining of raw cottonseed oil by solution of aluminates and and sodium hydroxide are given. The intensification of the technological process is carried out by the treatment of alkaline solutions by exposure to electromagnetic field intensity. Increase in yield and quality improvement of refined oil is achieved.

New Composition And Method For Producing Pasta, Sanaev Ermat, Tursunkhodjaev Pulat, Ayhodjaeva Nodira, Normatov Anvar

CHEMISTRY AND CHEMICAL ENGINEERING

The main objective of this study is to develop a composition of pasta containing a mixture of ginger, lemon and mint powder, as well as a combination of legumes and cereals with high nutritional value. This will expand the range of pasta. The problem of achieving high quality and economic efficiency is solved by improving several technological processes and using innovative methods. The effectiveness of using innovative methods of sublimation and microwave drying is shown in comparison with the drying process of instant pasta by frying it in vegetable oil.

Research Of The Process Of Obtaining Interesterified Fat For Margarine Production On The Basis Of Sunflower Oil And Palm Stearin, Rahimov Dilshod, Ruziboyev Akbarali, Tashmuratov Asatullo, Salijanova Shaxnoza

CHEMISTRY AND CHEMICAL ENGINEERING

The study presents the results of transesterification of a mixture of sunflower oil and palm stearin in various proportions and dilatometric analysis of the obtained transesterifications was carried out. For example, the ratios in the mixture of sunflower oil and palm stearin 15/85, 25/75, 30/70, 50/50 were subjected to transesterification in the laboratory, and the transesterifications used for the spread and margarine were obtained, and the optimal mixture ratios were determined. By dilatometric analysis, it was found that it is possible to obtain interesterificates in the ratio of a mixture of sunflower oil and palm stearin at 50/50 for a …

Improving Bakery Properties In The Preparation Of Wheat Flour From Local Wheat Grains, Ravshanov Suvankul, Kodirov Оrifjon, Ramazanov Rozik, Musaev Khasanjon

CHEMISTRY AND CHEMICAL ENGINEERING

The article is devoted to the study of the physicochemical properties of water used to prepare wheat grain for sorting grinding. The physical and chemical properties of water for hydrothermal treatment, obtained from the vibrational effect of 10 Hz to 1000 Hz for 60 seconds in the and ultrasonic devices.