Flash pasteurization: Difference between revisions

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'''Flash pasteurization''', also called "'''high-temperature short-time'''" ('''HTST''') processing, is a method of heat [[pasteurization]] of perishable beverages like [[juice|fruit and vegetable juices]], [[beer]], [[wine]], and some [[dairy products]] such as milk. Compared with other pasteurization processes, it maintains color and flavor better, but some cheeses were found to have varying responses to the process.<ref>[http://www.allbusiness.com/food-beverage/food-industry-food-mfg-canned/7295043-1.html The Effects of Flash Pasteurization of Milk upon the Flavor and Texture of Cheddar Cheese]</ref>
 
Flash pasteurization is performed to kill spoilage [[microorganism]]s prior to filling containers, in order to make the products safer and to extend their [[shelf life]] compared to the unpasteurised foodstuff. For example, one manufacturer givesof theflash pasteurizing machinery gives shelf life ofas its"in pasteurizedexcess milk asof 12 months".<ref>{{Cite web |url=http://www.iddeas.com/documents/FlyerFPvsTP_000.pdf |title=IDD Process & Packaging: Flash and Ultra Flash Pasteurization Facts |access-date=14 March 2015 |archive-url=https://web.archive.org/web/20160924215932/http://www.iddeas.com/documents/FlyerFPvsTP_000.pdf |archive-date=24 September 2016 |url-status=dead }}</ref> It must be used in conjunction with sterile fill technology (similar to [[aseptic processing]]) to prevent post-pasteurization contamination.<ref name=Browne2001>{{citation|author1=Browne, Jeremy |author2=Candy, Eric |year=2001|title=Excellence in packaging of beverages|pages=178|isbn=0-9541123-0-X|publisher=Binsted Group|___location=Hook, Hampshire, U.K.|oclc=49233551}}</ref>
 
The liquid moves in a controlled, continuous flow while subjected to temperatures of 71.5&nbsp;°C (160&nbsp;°F) to 74&nbsp;°C (165&nbsp;°F), for about 15 to 30 seconds, followed by rapid cooling to between 4&nbsp;°C (39.2&nbsp;°F) and 5.5&nbsp;°C (42&nbsp;°F).