Detection of falsification of milk and milk products by the method of gas-liquid chromatography with mass spectrometric detection

The article presents the study of milk and dairy products on the content of vegetable fats in them - phytosterols. It has been established that sour cream, cottage cheese and cheese had the largest share of non-standard samples. In the period from 2016 to 2018 in the Republic of Tatarstan, non-standard milk samples were detected, 5.2-8.1%, cottage cheese - 5.5-16.6, sour cream - 11.315.4, oils - 3.4-12,6 and cheese - 9.3-10.3%. For the studied period, the proportion of non-standard milk samples tended to increase, oil - to a significant decrease. The specific volume of nonstandard samples in dairy products for the period studied decreased by 1.35%.