Phatchoerai milk is a milk product. One type with sterile heat pasteurization levels, which are using heat to destroy microorganisms that cause disease in people. Make milk safe for consumption and inhibit the function of enzymes that cause damage such as milk enzymes, pesto, lai Lai hydro milk fat in triglyceride are acids, free fatty acids-wathi Zurich, which causes the smell huen. But the heat failed to destroy the microorganisms that cause irreparable damage of all kinds, so milk after pasteurization to preserve the milk temperature is lower than 8 degrees Celsius. To add a control to the number of microorganisms, such as bacteria that survive the heat resistance. Transport of bacteria. Milk Pasteurization Have a shelf life of no more than 10 days.