M.A. Thesis:

evaluation of the some milk adulterations in milk collection centers in the city of Sabzevar

Review: Milk is an important nutritional source as has been a very good environment and nutrients for the growth of a variety of bacteria, and prone to corruption. Hence some people sodjo with the addition of some materials is trying to avoid becoming the rotten milk and rotten milk Blazon or healthy. Including common frauds in raw milk using a neutralizing material and flame retardant. The importance of investigating the existence of profits and formalin in milk more because people use sodjo and lack of knowledge on the identification of the two milk delivery officers. As well as profit and formalin in terms of endangering the public health can be very dangerous. The aim of this study was to investigate the efficiency of this diagnostic test (the test that as sources of cheap and rapid diagnostic tests have been named) to measure the volumetric weight, acidity, salt and neutralizing material and inhibitor (formalin, profit) to detect frauds in raw milk. Methods: in this study, number 50 Of milk from milk collection centers in the city of sabzevar examined. the index such as the amount of weight the volume, the amount of neutralizing material, the level of acidity and flame retardant (formalin, profit) and the amount of salt added that the dertst reviews on a sample of milk collection centers. diagnostic tests showed that appearing on the show of purple formalin andthe presence of the inhibitor and cheating in the milk, Add the water To milk decreased specific gravity and acidity can determine the extent of the number or quality of milk, gay recently khanh maintenance as well as the amount of available bacteria in it to show roughly and Add salt or salt water decreases the freezing point of milk and makes sensible stay hidden water added to the milk. Findings: the results of tests conducted of othghiq getting in sabzevar County about some cheating in milk showed that 12 percent of them were infected by neutralizing substances to increase the ability of the shelf-life of milk . About 18 percent of the samples that have been getting the extra water supplied by the producer or distributors to increase the volume of the product was used. About 2 percent of the samples contain getting started Neutralizing materials . Ohdood 12% have been getting samples of Milk collection centres was accompanied by adding salt water to hide added to milk to work.. Therefore, the necessity of continual pursuit of importance regarding the inspection and sampling of milk collection and distribution centers and carry out the appropriate tests in order to check frauds aimed to discuss health and complications from taking it feel..

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