Assessment of the Authenticity of Orange Juices

Abstract

Abstract. Juice production is a rapidly developing industry, both abroad and in the Republic of Belarus. Both the volume of output and the range of juices produced are increasing. The consumption of juices in the world is increasing, which is explained by the high nutritional value, as well as the profitability of juice production. In this regard, the study of the authenticity of juice products on the Belarusian market, as well as the establishment of the most significant and difficult to fake authenticity criteria is an urgent problem of scientific interest and practical significance. The article presents the results of a study of the quality of orange reconstituted juices sold in the retail network of Minsk. In order to identify and detect falsification, a comprehensive assessment of the quality of juices was carried out. The main indicators of the quality and safety of juices are determined: the mass fraction of soluble solids, the mass fraction of titrated acids, the pH level, the sugar-acid coefficient. However, due to the fact that these indicators can be easily corrected by adding organic acids, sugars and other components, such indicators as the content of oxymethylfurfural and the form number, the content of sugars and organic acids by chromatographic and enzymatic methods were studied, and the content of minerals was determined. Standard research methods were used in the performance of the work. The quality assessment also included an analysis of the causes of deviations that could be detected during the study. These reasons are due to the properties of raw materials or technological features of production.