The subject of research is standardization as one of the forms of technical regulation in the food industry of Ukraine, in particular in the production of milk and milk products, meat and meat products, determination of safety and quality parameters of the specified food raw materials and finished products made from those, as well as installations and equipment for the food industry. The purpose of the study is to analyze the state of standardization in the production of dairy and meat products, highlight the existing problems and possible ways to solve them, as well as outline the role that the Technical Committee for Standardization 140 “Milk, meat and products of their processing” should play in these processes. Methods. During the research, a systematic approach was used to research factual materials, in particular scientific and scientific-practical literature, regulatory legal acts, regulatory documents and the like, abstract-logical approach to the synthesis of research results and the formulation of conclusions. The results of the study. National standards of Ukraine DSTU is the base of the technical regulation in relation to food products and methods of their control. The above also applies to standardization in the field of milk and meat products, which is within the competence scope of the Technical Committee for Standardization 140 “Milk, meat and products of their processing”. Technical Committee 140 carries out significant work to develop new and update existing national standards in accordance with its area of competence, in particular, it has significant success in harmonizing international and European standards. As of January 15, 2021, according to the classification code 67.100 (Milk and milk products) out of 203 standards of the nationwide force, 103 standards (50.7%) were developed by harmonizing the relevant international standards EN, ISO, etc. According to the classification code 67.120 (Meat, meat products and other animal products) – 202 units, 26 units and 14.1 %, respectively, according to the classification code 67.260 (Installations and equipment for the food industry) – 99 units, 86 units and 86.9%, respectively. The issue of attracting extra-budgetary funds for the harmonization of international standards and the implementation of the entire range of works on standardization is urgent. The issue of proper regulatory support for the production and operation of specialized technological equipment for food and processing industry enterprises is relevant, for which it is advisable to combine the domestic traditions of standardization with the priorities of safety and hygiene of machines, as well as ecology, which are in force in international practice. Scope of research results. The results of the studies performed will be used in the field of technical regulation, in particular, national standardization, of milk and milk products, meat and meat products, determination of safety and quality indicators of the specified food raw materials and finished products made from it, as well as installations and equipment for the food industry.

Aim. To investigate the composition and properties of the samples of cheese and acid milk whey, obtained in industrial conditions using a combination of nano¿ ltration and electrodialysis methods. Methods. Determination of physical-chemical indices using standard methods, study of functional-technological properties of demineralized whey by common methods. Results. It was established that there was high ef¿ ciency of applying membrane methods for processing of secondary resources in current conditions of raw materials source, which are presented by different kinds of milk whey, formed during cheese production. It was determined that processing of different kinds of whey using the combination of nano¿ ltration and electrodialysis methods led to a considerable decrease in the content of ash compared to the initial whey. The level of demineralization of cheese whey may amount to 90 %, that of acid whey -75 %. In addition to dry kinds of whey, liquid demineralized whey is of some interest for practical application, which may be used during the production of sour-milk and milk-containing drinks due to a high content of dry substances. It was found that the increase in protein content in dry demineralized whey, obtained using the complex of membrane methods of processing, led to a considerable increase in its foam-forming, moisture-retaining, fat-retaining and emulsifying abilities compared to milk whey, obtained by a traditional technology. Conclusions. It was established that dry demineralized whey, obtained by a combination of nano¿ ltration and electrodialysis methods, had better organoleptic and physical-chemical indices compared to dry whey. The investigated industrial samples were remarkable for improved functional and technological properties which allows using them in the formulations of other food products.

Milk processing not only makes the production of traditional dairy foods possible, but it is also followed by the formation of by-products, which are not fully utilized, and their emissions into wastewater worsen the environment. The modern technical and technological level of milk processing allows the full use of by-products, which are a source of whey proteins, lactose and other potentially useful ingredients at their base. Amid the decrease in milk production in recent years, an urgent problem is to increase the rank of milk processing in order to obtain products with high added value. The article presents the results of analytical studies of the state of the issue of whey processing in Ukraine. Modern conceptual approaches to solve the problems of processing various types of whey, which is formed as a by-product in the production of cheeses, cottage cheese, casein, are presented. The new types of products and ingredients obtained from whey, having a wide range of functional and technological properties and being in demand in the production of food products, are shown. The development trends of the novelty technologies for obtaining a wide range of whey-based products and ingredients are analyzed, new research data on their role in ensuring human health are presented. The review article reviews and justifies the feasibility of introducing modern membrane technologies for whey processing at domestic milk processing enterprises, this allowing rational use of raw milk resources, reducing negative environmental impact, and increasing production profitability. The results of scientific and applied research using membrane methods and enzymatic hydrolysis of lactose in technologies of dry demineralized whey and condensed low-lactose whey, are presented. The use of existing industrial equipment allows, due to changes in the protein-mineral composition of whey, obtaining products with a wide range of functional and technological properties and increased nutritional values.

Aim. To study the composition of commercial samples of whey protein concentrates obtained by the method of ultrafi ltration from cheese whey and present on the Ukrainian market. Methods. Determination of nitrogen- containing fractions by the Kjeldahl method, protein composition – by electrophoresis in polyacrylamide gel, amino acid composition – on the amino acid analyzer, functional and technological properties of concen- trates, characterizing their ability to participate in surface phenomena, – by conventional methods. Results. It was determined that the protein fractions of the investigated industrial samples are mainly β-globulin and α-lactalbumin, the total content of which is from 90 to 96 %. It was noted that the concentrates with a higher content of total protein have a smaller proportion of non-protein nitrogen and caseins. It was determined that the amino acid content of dry cheese whey is lower than that of the concentrates. It was established that the increase in protein content in concentrates up to 70–80 % leads to a signifi cant increase in the foam-forming, water-retaining, fat-retaining and emulsifying capacities of concentrates in comparison with the milk whey. It was noted that the indicators characterizing the technological properties of the investigated commercial sam- ples of concentrates with the same protein content may vary within 10–15 %. Conclusions. It was established that the investigated commercial samples of whey protein concentrates have an increased biological value and improved functional and technological properties in comparison with dry cheese whey, which allows using them in the formulations of other food products. To obtain fi nal products with stable characteristics, it is neces- sary to evaluate the technological properties of concentrates entering the enterprise as part of implementing the activities of the product quality management system.

Results of studies of dry milk based mixtures for extremal nutrition, obtained by spray drying at various temperatures are presented. Viable cells number, sensorial, physical and chemical parameters are determined. The increase of dry whey protein concentrate (WPC) content from 1% to 6% leads to an increase in the protein content in the product from 25% to 37%. At the same time, the relative rate of dissolution increases by 2.7 times, and the active acidity decreases by 0.16 pH units. It is established that the drying temperature of the mixtures is 130 ± 2 °C at the inlet of the drying tower and 60 ± 2 °C at the outlet, can be is recommended for maximum preservation of the viability of probiotic microorganisms. Streptococcus thermophilus strain turned out to be the most resistant to elevated drying temperatures in comparison with other strains. It is noted that the introduction of WPC effected the survival of probiotic bacteria to survival during drying and storage positively. The smallest losses of viable microorganisms after drying the product were found in test samples with strains of Streptococcus thermophilus and Enterococcus faecium and addition of WPC to the product formulation, while the number of viable cells decreased by 1.7 times and 2.1 times, respectively. It was shown that during 18 months of storage, a high rate of viable cells was for the Enterococcus faecium strain and the addition of WPC and barley malt extract (BME) to the samples, where the losses were 11.8% and 11.9%.