Investigation of milk origin in sheep and goat cheese offered for consumption

Milk and dairy products are very important in life, because they contain important nutrients for human health. Among of dairy products cheese and its varieties occupy an important place. So a lot of people like and prefer to consume traditional cheeses and varieties occupy. Recently some producers instead of goat and sheep milk use cow's milk for producing of goat and sheep cheese and sell them as sheep and goat cheese. The reason for this is the cost of goat and sheep milk is high and they are also rare. In this study, it was aimed to determine the milk type of white cheese and tulum cheese, which as sheep and goat cheese selling in the markets and public markets of Afyonkarahisar and Antalya. And Real-Time PCR analysis method was used for this study. For study has used Real-Time PCR analysis method to detect fraud in the product. From both prıvinces for analysis were taken a total of 60 (32 feta cheese, 28 tulum cheese) goat and 60 (26 feta cheese 34 tulum cheese) sheep cheese samples. As a result of the analysis, from total goat cheese samples which has taken from both provinces were produced only 20% from goat milk, 38.33% from goat-cow milk mixture and 41.67% of the samples were produced using only cow milk. Also in sheep cheese samples which have taken from both provinces were produced only 18.33% from sheep milk, 50.00% from sheep-cow milk mixture and 31.67% were produced from cow milk. From the analysis result we can say that, to the goat and sheep samples were added cow milk with high proportion were detected and in some samples were detected only cow milk. And for detect counterfeit tricks applied to products we need to periodic inspections and controls. Consequently, we have to recommended to raise awareness of consumers.