Measuring water activity in frozen foods
Started by psunjka, Dec 02 2011 02:38 PM
Hello evryone, I just want to know if someone has any experience in measuring water activity in frozen foods. We have measured aw in our frozen meat and got very high values, even above 1 (aw meters have been calibrated and work properly). Does anyone have an explanation why we have aw values over 1?
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Anyone have experience on this subject to share?
Regards,
Simon
Regards,
Simon
Dear psunjka,
Probably a measurement error. aw not > 1 unless very unusual system is involved (eg 3rd atttach.), -
graph water activity of range of foods.png 53.13KB 3 downloads
Aw_foodsafety.pdf 52.53KB 58 downloads
transport phenomena - JES07.pdf 2.02MB 36 downloads
This thread has discussion on general topic -
http://www.ifsqn.com...dpost__p__34054
Rgds Charles.C
Probably a measurement error. aw not > 1 unless very unusual system is involved (eg 3rd atttach.), -
graph water activity of range of foods.png 53.13KB 3 downloads
Aw_foodsafety.pdf 52.53KB 58 downloads
transport phenomena - JES07.pdf 2.02MB 36 downloads
This thread has discussion on general topic -
http://www.ifsqn.com...dpost__p__34054
Rgds Charles.C
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