Tuesday, September 13, 2016

You mean the 5-second rule is bogus?

Can be bad in LESS than 5 secs. Less!
A yummy piece of food falls on the floor--and you pick it up and eat it well within the well-known five seconds it takes to accumulate deadly germs.

Whew.

Well, not so fast--even five seconds fast.

Researchers at Rutgers (Applied and Environmental Microbiology) said you could become one of the 1 in 6 people who get sick each year due to food-borne illness.

Forty-eight million people get such an illness in the US each year and 3,000 die.

How many of those depended on the 5-second rule?

True, bacteria need time to transfer from floor to food. But maybe they can do that in less than 5 seconds.

The research team used four surfaces, stainless steel, ceramic, wood, and carpet. They tested four foods, watermelon, bread, bread with butter, and gummy candy.

 They also used four different times--1 sec, 5 secs, 30 secs, and 300 secs.

The bacteria tested as similar to salmonella. They cultivated it, dried it, and spread it on the surfaces.

Then they did 2,560 measurements.

Watermelon was contaminated the most, gummy candy the least.

Bacteria move with moisture, so this wasn't surprising. They don't crawl over.

Compared with tile and stainless, carpet had a lower transfer rate.

Conclusion? Longer times result in more transfer, but other factors such as the type of food and nature of the surface are of equal or greater importance--and thus negate the time alone.

Isn't science a blast?

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