Research into the freshness of frozen fish

2015-12-15T14:06:00

Researchers have been studying how to find out if frozen fish was fresh at the time of freezing. Credit: Lotus Head from Johannesburg, Gauteng, South Africa/GFDL/CC-BY-SA-3.0

Researchers in Japan have been studying how to find out if frozen fish was fresh at the time of freezing by using autofluorescence spectroscopy - a type of electromagnetic spectroscopy which analyses fluorescence from a sample.

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