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Monday, March 24, 2014

Technology to the Rescue....No More Wasted Food



Eggs or egg substitute


Imagine a world where you never have to sniff a dubious carton of milk to see if it's gone bad.
Well... that day may be near. Scientists have developed "smart tags" that stick to food containers and change colour when food spoils, indicating changes in temperature and bacteria levels.

It's the latest modern-day technological gadget intended to revolutionize our kitchen habits and make our lives easier. (Egg Minder, anyone? It's an egg tray that tells you when you need to buy eggs. And let's not forget about the smart fridge that offers recipe suggestions based on what's inside.)
The 'smart' tag technology was presented this week at the annual conference for the American Chemical Society, the world's largest scientific society. The scientists say the gel-like tags are safe, inexpensive and can adhere to beverages, canned goods, bottles and even medications to keep track of the freshness of what's inside.

The colours indicate a range of freshness from 100 per cent fresh (red) to 100 per cent spoiled (green).
"Over time, the tag changes its colour to orange, yellow and later green, which indicates the food is spoiled," says Chao Zhang, lead researcher from Peking University in Beijing, China.
Researchers tested the tags, which are about the size of a kernel of corn, by exposing milk to different temperatures until E-coli bacteria developed, eventually rendering the milk inedible.

They hope their technology will be used by consumers as well as food manufacturers and supermarkets that need a reliable indication of shelf life for their products. The scientists suggest the tags are more effective than expiration dates because they take into account varying levels of heat exposure.


Thank goodness, this is the invention I have been waiting for. From one germphobe to all you bacteria conscious folks out there, we should be happy that technology has brought us to this wonderful place in time. Surveys say we waste approximately 2,000 pounds of food per family per year. I think that may be a bit on the high side but I am sure it is hundreds of pounds. And I know we all hate waste in a wonky economy like ours. Well now we have hope.

2 comments:

  1. PIC ,

    I know you would want to know they found the plane , I have put it On WAG .

    luv PIC

    ReplyDelete
  2. Thank you so much PIC. I am on the story. See ya later

    ReplyDelete

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