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3/30/2017

Topic Reading-Vol.1814-3/30/2017

Dear MEL Topic Readers,
The milk that lasts for months
There are many kinds of milk. Whole, low-fat and non-fat by fat content. Enriched or flavored by added ingredient. Also, fresh, pasteurized or UHT, ultra-heat-treated by preservation method.
The most popular type of milk in US, Australia and New Zealand is pasteurized milk, which is heated at 72 degrees Celsius for about 15 seconds before packed. Though this preservation method kills most of the bacteria in the milk, the shelf life of the pasteurized milk goes no longer than two weeks.
However, milk sold in most of the European countries is UHT processed, which lasts much longer than pasteurized milk even at the room temperatures. UHT milk is heated at a much higher temperature for a shorter time than pasteurized milk to kill most of the harmful bacteria. Sounds very advantageous, doesn’t it?
So why not everyone drinks or uses this more advantageous milk than others?
Enjoy reading and thinking why people are so sensitive to milk.

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