Hello, if the rate of use is sufficient to control the infection in the formula (This sufficient utilization rate It also depends on the composition of the formula. For example, some formulas require
สารกันเสีย is particularly high because the composition of the formula is food for the bacteria. Good) will be at least 2 years old, but tested to be sufficient to control the infection, the challenge test must be done by culture (
อุปกรณ์เพาะเชื้อ ) without this knowledge recommend contact Department of Medical Sciences to carry out