Show PASTEURIZATION ION OF MILK One Oue Of the outstanding health au au- authorities authorities au- au authorities of the nation calls atten atten- attention attention tion to the fact that pasteurization of milk is saving the country from frem epidemics of septic tore core throat and typhoid reducing scarlet fever eter and diphtheria Today few cities ruffer greatly with infectious diseases due to contaminated con con- contaminated contaminated milk The recent experience experience experience of Montreal l Is a reflection of what serious harm har may result when vigilance is temporarily relaxed reland in the control of milk supply During the same period of time that attention has been given to milk water supplies have been Im iso Improved Improved proved through and filtration Studies recently made In various communities have shown that It is necessary to be eternally vigilant In watching matching the operation of pas pasteurizing paa- paa plants The whole Idea in pasteurizing Is Sg to heat all of of the milk to kill such germs as it may contain Sometimes pasteurizing ng machines have hae mechanical defects In the way war of dead de d ends leaky valves or un unsatisfactory satisfactory thermometers so that some portions ns of or the milk may fail fall to be properly heated The Chicago department of health recently has conducted some some studies on the tho subject Their Investigations In In- show that the ho temper atur necessary to pasteurize milk safely is not far removed from the amount of heat that will destroy the cream line lineS and Injure the tho marketing value of tho milk Investigations have shown that temperatures from HZ to F. F will kill the germs providing all of the be milk is submitted for a period of 30 minutes to such a tempera tempera- ture This temperature Is not sufficient to to Lo ruin the cream line On the theother theother theother other hand emphasis must again be placed on the point that all aU of tho the milk must be bo submitted to this temperature for the entire nun min ute uto period Pasteurization of or milk does not Injuriously affect its taste appear appear- appearance appearance ance once or digestibility Such harm barm harmas barmas as it may ma do to the vitamin con con- conent content tent ent of the milk can be bo made up by supplying tho the infant or the tho adult with a sufficient amount of orange Juice or tomato juice I It U is impossible to estimate th the vast amount of good that has been done in the lie prevention of diseases by b the establish establish- establishment ment of pasteurization I |