Kemerovo, Russian Federation
Kemerovo, Kemerovo, Russian Federation
Moscow, Russian Federation
The content of lactose, glucose and fructose in dairy products is not controlled by normative documents and is not indicated on the individual label. However, for consumers who follow the principles of a healthy diet, this information is important. The content of mono- (fructose, glucose) and disaccharides (sucrose, lactose) in dairy products of various assortments sold in the consumer market of the Kemerovo region — Kuzbass was studied. The objects of the study were 50 coded samples of bio-yogurt, yogurt, condensed milk, curd cheese, ice cream. Capillary electrophoresis methods according to GOST 33527–2015, comparative analysis, and general statistical methods for sampling and statistical testing were used. The maximum amount of sucrose (49,8 %) and lactose (13,9 %) was found in condensed milk. The share of sucrose in ice cream samples is 17.9 %, lactose — 4,41 %, in curds — 9,8 and 1,54 %, respectively. The actual lactose content in bio-yogurt and yogurt ranges from 4,65 to 5,11 %. Fructose in an amount of 0,71 to 0,91 % was found only in bioyoghurt and yogurt. The glucose content in bioyogurt is from 0,59 to 1,03 %, yogurt — from 0,78 to 0,85 %, ice cream — from 0,54 to 0,60 %. Due to the lack of regulatory requirements for the quantitative content of sugars in dairy products, one should focus on their actual content. The results obtained can be used in the preparation of a daily diet, taking into account the permissible norms for sugars.
sucrose, lactose, glucose, fructose, dairy products
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