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Pasteurization Of Milk - Thermal Lethality Determinations

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Thermal Lethality Determinations

Require the applications of microbiology to appropriate processing determinations.

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To ensure destruction of all pathogenic microorganisms, time and temperature combinations of the pasteurization process are highly regulated

Ontario Pasteurization Regulations

Milk:

* 63 C for not less than 30 min.,

* 72 C for not less than 16 sec.,

or equivalent destruction of pathogens and the enzyme phosphatase as permitted by Ontario Provincial Government authorities. Milk is deemed pasteurized if it tests negative for alkaline phosphatase.

Frozen dairy dessert mix (ice cream or ice milk, egg nog):

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at least 69 C for not less than 30 min;

at least 80 C for not less than 25 sec;

other time temperature combinations must be approved (e.g. 83 C/16 sec).

Milk based products- with 10% mf or higher, or added sugar (cream, chocolate milk, etc)

66 C/30 min, 75 C/16 sec

There has also been some progress with low temperature pasteurization methods using membrane processing technology.

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Post a Comment

Comments should be on the topic and should not be abusive. The editorial team reserves the right to review and moderate the comments posted on the site.

Comments

kallanga

its much better drink pasteurized milk so as to e away from milk born diseases i like and i m at muhimbili university study milk processing.

ZenZappa

Anton van Leeuwenhoek was the father of microbiology

guest

Haha, I was about to type what ZenZappa wrote and I scrolled down and saw your comment. Yes, this page is mislabeled. Antony [Anton] van Leeuwenhoek IS the Father of Microbiology because he was the first to discover the existence of protozoa and bacteria.

Dena123

I need to pastries small quantity of camel milk. Where you think I can find small pasteurization equipment for sure High temperature short time type?.

guest

Why do you need it?

guest

try ur microwave for like 6 min then quicly put it in your fridge

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