scholarly journals Development of histological detection methods of cottage cheese falsification

2020 ◽  
Vol 27 ◽  
pp. 00098
Author(s):  
Liudmila Reznichenko ◽  
Elena Nikolenko ◽  
Sergei Noskov ◽  
Roman Shcherbinin

Information falsification of fermented milk products is a consumer fraud using inaccurate or distorted product information. The purpose of falsification is to obtain illegal profits by reducing the production cost as a result of the unauthorized replacement of qualitative biological value of raw materials with less valuable. Most modern methods of falsification, one way or another, are restricted to changes in technology, the use of cheap raw materials and the subsequent bringing of physicochemical indicators to the established requirements of regulatory documents. The production and realization of counterfeit products also contributes to unfair competition in the food market, as a result of which manufacturers of quality goods are at a disadvantage. The purpose of this paper is to develop methods for determining the cottage cheese falsification, in particular, the defining dairy raw materials the product is made of (natural milk or skimmed milk powder). The research result is that the histological method has been developed for the first time. The method is capable of determining the type of milk raw material in the cottage cheese production with high accuracy, and preventing information falsification of this product.

2020 ◽  
Vol 865 ◽  
pp. 111-115
Author(s):  
Khaled Osmani ◽  
Ahmad Haddad ◽  
Thierry Lemenand ◽  
Bruno Castanier ◽  
Mohamad Ramadan

The overall efficiency of a PV system is strongly affected by the PV cell raw materials. Since a reliable renewable energy source is expected to produce maximum power with longest lifetime and minimum errors, a critical aspect to bear in mind is the occurrence of PV faults according to raw material types. The different failure scenarios occurring in PV system, decrease its output power, reduce its life expectancy and ban the system from meeting load demands, yielding to severe consecutive blackouts. This paper aims first to present different core materials types, material based fault occurring on the PV cell level and consequently the fault detection techniques corresponding to each fault type.


Author(s):  
Dalija Segliņa ◽  
Inta Krasnova ◽  
Sanita Alsiņa

Abstract Lonicera caerulea L., also known as honeysuckle berries, are rich in biologically active compounds, which makes them a valuable raw material for the development of functional foods. The objects of the research were three honeysuckle cultivars (‘Zoluška’, ‘Siņaja Ptica’, ‘Goluboje Vereteno’), four genotypes (No 2A; No 3; No 5; No 8) and kefir, enriched with various amounts (3–10%) of fruit puree. Physical and chemical analyses to determine the qualitative indicators of raw materials and products were performed. The degree of liking of kefir was assessed using sensory analysis: hedonic and line scales. The results obtained showed that among the cultivars the highest content of anthocyanins (1103.5 mg·100 g−1), total phenols (693.3 mg·100 g−1), flavonoids (753.9 mg·100 g−1), and tannins (1.6 mg·100 g−1), were found in ‘Siņaja Ptica’ berries, while among the genotypes, berries of No 8 had the highest concentration of the aforesaid compounds. Both samples also showed the highest antiradical activity: ABTS+• on average by 71.7% and DPPH− by 43.7%. According to the sensory evaluation, kefir with 10% honeysuckle puree was rated the highest. Honeysuckle berries could be used as a promising source of natural anti-oxidants in future research aimed at developing different new products that could meet consumer expectations.


2021 ◽  
Vol 17 (4) ◽  
pp. 62-71
Author(s):  
A. O. Ermolaev ◽  
K. R. Babukhadiya ◽  
E. I. Reshetnik

The article considers the possibility of expanding the range of fermented milk products enriched with natural sources of biologically active substances, which is an urgent task today, as it corresponds to the concept of state policy of the Russian Federation in the field of healthy nutrition. As a solution to this problem, it has proposed to enrich the curd mass as part of the daily diet. Promising plant raw materials of the Far Eastern region, such as Ahnfeltia tobuchinensis, a representative of the genus of red algae growing in the Far Eastern Seas, are used as functional and enriching ingredients; Dahurian larch wood extract – arabinogalactan (Lavitol-arabinogalactan) and peppermint (Méntha piperíta). Grounded ahnfeltia was used in the size of not more than 0,5 mm. On the basis of the analysis of the composition and properties of the applied non-traditional additives, the possibility of enrichment of curd products with dietary fiber and organic iodine from plant components has been substantiated. Optimal ratios of enriching prescription components to the weight of cottage cheese in a finished product are the following: ahnfeltia powder – 1,5%, arabinogalactan – 2,5%, peppermint – 1%. Also, when determining the optimal dosages of the introduced components, it is proposed to replace the prescription amount of sugar with flower honey, which is a natural sweetener and a powerful antioxidant. Organoleptic and physicochemical parameters of the finished samples have been analyzed. As a result of the research the functional curd product one portion (100 g) of which is capable to satisfy daily physiological need of an organism for iodine for 29,32%, in dietary fibers for 12,38% has been developed.


2020 ◽  
Vol 161 ◽  
pp. 01086
Author(s):  
Alena Rozhkova ◽  
Julia Olentsova

Milk and dairy products occupy an important place in the human food. The development of a popular fermented milk product - yogurt of combined composition - is a prospective direction and has practical significance for the dairy industry. The developed yogurt expands the range of the dairy industry based on dairy and plant-based raw materials. with the increasing demand for fermented milk products, it became necessary to transit from private to industrial production of these products. To produce this product, raw cow’s milk, skimmed milk powder and a plant-based additive are used. As a plant-based additive, the leaves of mint were used.


Author(s):  
S.L. Vorobiyeva ◽  
A. V. Perevozchikov

The purpose of the work was to increase the effectiveness of rearing of young animals and milk production by providing dairy cows with easily digestible sugars obtained from local grain raw materials. The research on the use of grain molasses produced from rye grain in a pilot unit in the Sharkansky RTP UZHK-1000 in feeding cattle of Kholmogorskaya breed under the environments of the Udmurt Republic has been carried out. The innovative small-sized treacle unit operating on the basis of the principle of cavitation technology is designed for the enzymatic cleavage of grain polysaccharides to a more accessible form of sugars for assimilation. It has been revealed that the feeding of grain molasses to young cattle in the amount of 3 kg/head/day had a positive effect on the increase in the average daily gain of live weight and the intensity of growth of animals. In the first-calf heifers in control group the age of achieving the first insemination was 14,7 months with the live weight of 374,6 kg, in the first-calf heifers in experimental group it was 13,8 months, while their live weight was 378,2 kg. The insemination index in the first-calfheifers of the control group was satisfactory and amounted to 2,0, and in the cows of the experimental group it was good – 1,6 (P ≥ 0,95). The maximum milk productivity of first-calf heifers for 305 days of lactation has been recorded in the cows of the experimental group, where grain molasses was used, and amounted to 7702,0 kg, which was more than in the control group by 157 kg or 2,1% (P ≥ 0,95). Milk from cows of the experimental group was the most suitable for the production of fermented milk products. The physical and chemical parameters of milk were also higher in the group in which grain molasses has been fed. The lowest consumption of milk for the production of 1 kg of cottage cheese was noted in the experimental group of cows 6,43 kg, the same trend has been observed in the production of cheese where the consumption was 8,7 kg.


2014 ◽  
Vol 687-691 ◽  
pp. 4828-4831
Author(s):  
Jia Xi ◽  
Ping Ba Sha

Demand forecasting is the basis of the inventory management. Aiming at the problem of subjective forecasting method, we use quadratic exponential smoothing method to establish the mathematical model, to forecast sales volume of product A in every month in 2013. And based on demand forecasting, we put forward ABC classification management method to solve the inventory management issues. The research result of this paper has important implications in improving the inventory management level for many enterprises.Demand Forecasting and Inventory ManagementInventory management is an important part of enterprise management, and it directly affects the business situation of enterprises. A reasonable inventory can significantly enhance the comprehensive competitiveness of enterprises; too much or too little inventory settings would have a bad impact on the business, and some company even bog down because of inventory problems companies bogged down because of inventory problems [1-2]. To do inventory management, what should we do in the first step. The answer is demand forecast. When business scale reaches a certain level, it would need strict, systematic demand forecasting. The more accurate the demand forecasting is, the more accurate inventory planning would be, and more favorable for business enterprises.Few companies are able to be completely in accordance with the order production, and the vast majority of businesses are not waiting for orders after arrival, then determine how much raw material and manpower needed, and how to arrange production. Because it often takes a long production cycle, and no one is willing to wait a month to buy a bag of washing powder. Successful companies always make accurate predictions for product demand, and then put into production according to forecasting [3]. Due to their more accurate predictions, they can often carry out a reasonable plan and inventory management. Inventory forecasting, its essence is demand forecasting [4]. Demand forecasting provides important information for inventory management such as inventory amount, lead time, inventory turns. Demand forecasting is based on research and statistics, to make a scientific and reasonable inference for product demand. Product demand generally is within a certain period, certain market range, the number of consumers’ demand for a product. Demand forecasting results can help companies determine the amount of raw material inventory and products, and provide enterprise continuous production of raw materials needed, save liquidity and reduce inventory costs, improving the comprehensive competitiveness of enterprises.Product Demand Forecasting Model


2020 ◽  
Vol 208 ◽  
pp. 01005
Author(s):  
Na Zhang ◽  
Vladimir Lazarev ◽  
Tatyana Shestakova

The article presents the practicability of developing the environmental aspect of dairy industry enterprises on the example of Sverdlovsk region. The volume of milk and cottage cheese production at the enterprises of the Sverdlovsk region is presented. The article describes the negative impact of milk processing enterprises on the environment. Statistical data on the percentage of enterprises that process secondary dairy raw materials are provided. The article presents the costs of installing local wastewater treatment plants and the rationality of creating a specialized enterprise for complex processing of whey on the basis of OJSC “Irbit Dairy Plant”. The article describes the value of secondary dairy raw materials that cause the greatest harm to the environment in case of unfair whey utilization, as a raw material for the production of competitive products. The technology for processing whey at a specialized enterprise using membrane methods is presented: nanofiltration — ultrafiltration — reverse osmosis followed by vacuum evaporation and spray drying. The expediency of introducing an ultrafiltration unit with the use ofceramic ultrafiltration element (CUFE) (0.01) ceramic membranes into the line for processing whey at theOJSCIrbit dairy plant is described. The content of the main components of curd whey at all stages of production, as well as the final products, is presented. The parameters of the described processes of whey processing are given.


2020 ◽  
Vol 50 (3) ◽  
pp. 525-535
Author(s):  
Khamid Gilmanov ◽  
Vladislav Semipyatniy ◽  
Alana Bigaeva ◽  
Ramil Vafin ◽  
Svetlana Turovskaya

Introduction. High-quality dairy products depend on the properties of raw materials. Milk is the basic raw material for all dairy products. Its quality is subject to requirements of biological safety, and its physicochemical and technological properties comply with strict indicators. ϰ-casein gene is a basic milk protein. Its allelic variants affect milk productivity, as well as its composition and technological properties, e.g. cheeseability and heat resistance. The research objective was to develop a new method for determining the ratio of the relative proportions of selection-significant kappa-casein gene alleles in bulk cow’s milk powder by means of molecular genetics and bioinformation system. The method can help to test raw materials for further processing rationality. Study objects and methods. The research included a genetic analysis of samples of bulk whole milk powder, bulk powdered skimmed milk, and bulk raw milk. The developed method involved DNA extraction, combined PCR-RFLP technique, electrophoretic results, and analysis detection of information data using new mathematical algorithms and software. Results and discussion. The ratio of the relative proportions of the kappa-casein gene alleles in milk powder was determined using primer sets JK5 and JK3, as well as restriction endonuclease HinfI for PCR-RFLP analysis. The experiment showed satisfactory reproducibility and interpretation of the obtained data. The program provided a ratio calculation of the kappa-casein gene alleles relative proportions in the studied milk powder samples, expressed as a percentage of the A allele proportion with additional indication of the absolute and relative errors. It also placed the information block of the generated numerical indicators into the percentage scale. Conclusion. The developed methodology was implemented by a set of laboratory procedures. The new specialized program “Calculation of the relative proportions ratio of ϰ-casein alleles in bulk milk” is on open access. It provides a correct and prompt data interpretation, generated during the analysis of dry milk raw materials of bulk origin.


2020 ◽  
Vol 13 (4) ◽  
pp. 609-613 ◽  
Author(s):  
N. B. Sarsembayeva ◽  
T. B. Abdigaliyeva ◽  
Z. A. Utepova ◽  
A. N. Biltebay ◽  
S. Zh. Zhumagulova

Background and Aim: Monitoring food quality and safety remain a pressing issue. The intermediate results of the study on the residual amounts of heavy and toxic elements in food products are presented herein. The aim of this study was the determination of heavy metals in milk and fermented milk products from basic farms in the Almaty region, Kazakhstan. Materials and Methods: A total of 120 raw milk samples and 80 cottage cheese samples were analyzed. The milk and cottage cheese samples were subjected to mineralization during the analysis to remove organic impurities and determine the heavy metal concentrations using atomic absorption spectrometry. Results: The contents of cadmium, lead, and arsenic in all raw materials and food products did not exceed the maximum permissible concentrations. Conclusion: The dairy samples showed low contents of cadmium, mercury, lead, and arsenic that did not exceed the allowable concentrations for basic farms in the Almaty region.


2020 ◽  
Vol 288 (6) ◽  
pp. 243-249
Author(s):  
O. DOVGAL ◽  

Restoration of livestock industries is important both for the functioning of the national food market and for improving Ukraine’s position in the global agri-food market. Because products of animal origin, in contrast to products of plant origin, can be sold on the foreign market only in processed form. That is, it by definition has a relatively higher share of value added, and therefore it is more profitable to trade. First of all, this applies to dairy products. After all, if for export of meat products primary processing for its sale in the form of carcasses for half-carcasses is enough, then for sale for export of dairy products there should be a full technological cycle – from production of agricultural raw materials to production of industrial semi-finished products (milk powder, whey, casein). etc.) and ready-to-eat products (pasteurized milk, fermented milk products, whole milk products, etc.). Thus, such products have a relatively high share of value added, and therefore provides the best price. Therefore, stopping the decline in the domestic dairy subcomplex, increasing production that meets international safety and quality standards, and expanding the presence of Ukrainian dairy products on the world market is an important management task, the solution of which, among other things, requires in-depth scientific study. The purpose of this article is research of the state of dairy production in Ukraine and determination of its place on the world market in the conditions of openness of the national economy. The article examines the state of domestic milk production and processing, and the dynamics of dairy exports. The ongoing decline in dairy production is indicated, which is accompanied by a deterioration in the quality of livestock raw materials. There is a reasonable assumption that the main reasons for the decline in industrial dairy production and the reduction of Ukraine’s share in the relevant world market are: reduction of raw milk production, loss of markets of the Customs Union, problems with entering the EU market due to predominant non-compliance with domestic safety standards and quality. Ukraine reduced its share in the world dairy market: in the butter segment from 7.32% (1992) to 2.08% (2019), in the cheese segment from 5.73% (2005) to 0.23% (2019), in the segment of skimmed milk powder from 1.03% (2005) to 0.17% (2019), in the segment of skimmed milk powder from 5.23% (1995) to 0.84%), in the segment of dry whey from 1.72% (2011) to 1.62% (2019). According to the OECD-FAO forecast, the negative trend will continue at least until 2029. The main reasons for the reduction of the share of Ukrainian dairy producers in the world market were the reduction of milk production, loss of markets in the Customs Union and problems with entering the EU market due to the predominant non-compliance of domestic livestock products with international safety and quality standards.


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