Minggu, 07 Januari 2018

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A time temperature indicator (TTI) is a device or smart label that shows the accumulated time-temperature history of a product. Time temperature indicators are commonly used on food, pharmaceutical, and medical products to indicate exposure to excessive temperature (and time at temperature).

In contrast, a Temperature data logger measures and records the temperatures for a specified time period. The digital data can be downloaded and analyzed.


Video Time temperature indicator



Technology

There are a large number of different time temperature indicators available in the market, based on different technologies. Some devices are based migration of dye through a filter paper, while others contain pouches with bacterial fluids that change color when certain time-temperature combinations have been reached. To the degree that these physical changes in the indicator match the degradation rate of the food, the indicator can help indicate probable food degradation.

Digital Temperature data loggers are available to indicate the full temperature history of a shipment to help identify the time period that out-of-tolerance temperatures were encountered. This temperature history can be used to calculate the loss of shelf life or the likelihood of spoilage. These small recorders are also used to identify the time (and thus location) of a shipment when the problem occurred, which allows for corrective action.


Maps Time temperature indicator



TTI's food industry

Time-temperature indicators can be used on food products that are dependent on a controlled temperature environment. Certain technologies can also be used for frozen food and the cold chain.

Benefits

Surveys within the EU projects "Freshlabel" and "Chill-on" have shown a positive feedback by consumers to the use of TTIs on food products. As TTIs help assure the cool chain of food products, they are expected to reduce the amount of food waste, as well as reducing the number of foodborne illnesses.


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Regulation

The World Health Organisation regulates the use of TTIs for certain medical products. There is extensive regulation by the FDA on the use of TTIs on US seafood products.


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See also

  • Humidity indicator card

Time Temperature Indicators - Market Research Report upto 2021 ...
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References

General References

  • ASTM F1416 Standard Guide for Selection of Time-Temperature Indicators
  • Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6
  • Taoukis, P. and T.P. Labuza. 2003. Time temperature indicators. In: Novel Food Packaging Techniques. R. Ahvenainen (ed.). Woodhead Publ., Cambridge, UK.

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External links

  • FDA regulation on the use of TTI's in the seafood industry.
  • Article on the introduction of a TTI at a large food producer
  • WRAP Food Waste Report (PDF-Datei; 1,44 MB)
  • WHO Factsheet on the global amount of food related illnesses
  • Article on the introduction of a TTI at a food producer in Switzerland

Source of the article : Wikipedia

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