Squeezing Salmonella to Death


	Squeezing Salmonella to Death

n2teaching

7-29-2008 12:04 PM

334 views

tags:

salmonella, bacteria, "pressure sterilization" technique science, education

n2teaching says:

This is an excellent use of a previously used technology. By pressurizing fresh food, especially those with few air pockets, bacteria inside the food is squeezed to death
This technique is also use for raw oysters and other meat.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d5b92c36-50c0-4dae-b71d-1799595c11ba/3EBF2BD0-C4F7-4C1E-B031-3B7F8E246C11/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html" href="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html" style="font-size: 11px;">www.redorbit.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><H1>Technology Slays Salmonella on the Farm</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.redorbit.com/img/DE1E00A2-5EFB-4024-BD8F-CD683BB72E54" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P class="storyNotes">Posted on: Tuesday, 29 July 2008, 00:40 CDT</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P>Experts say it’s easier to prevent contamination on the farm than to try to get rid of it later.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P>"This is never an excuse for a dirty product," warns University of Minnesota infectious disease specialist Michael Osterholm.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P>Washing produce, even with chlorine or other chemicals, only gets rid of surface contaminants. Washing does not kill germs that sneak inside the fruit or vegetable. Some scientists believe technology is the missing link in protection against food borne diseases. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P>Food scientists at a Virginia Tech laboratory this summer, subjected small grape tomatoes to what's called "high pressure processing" to see if they could squeeze salmonella to death.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/news/technology/1499400/technology_slays_salmonella_on_the_farm/index.html"><P>The key to success is to choose a water-packed food with few air pockets. It’s placed in a container of water and pressure is applied evenly to all sides. The air pockets will collapse but the waterlogged tissue is more resistant.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/3EBF2BD0-C4F7-4C1E-B031-3B7F8E246C11/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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