Method and device for indicating deterioration of...

Details Method and device for indicating deterioration of... Method and device for indicating deterioration of...

C - Chemistry, Metallurgy

12

M

150/16

C12M 1/34 (2006.01) C12Q 1/04 (2006.01) G01N 33/02 (2006.01)

Patent

CA 2012299

ABSTRACT OF THE INVENTION A time-temperature indicator for indicating the exces- sive exposure of refrigerated food products to elevated tem- peratures, thereby indicating the deterioration of the organoleptic qualities of the food product comprising a bio- logical growth medium, an anaerobic indicator culture in the medium which modifies the medium at a rate directly propor- tional to temperature, and a means for indicating the extent of modification of the medium. Exposure to elevated temper- atures for excessive periods results in the color change in the medium warning of unacceptable food quality.

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