Non-destructive determination of fat and moisture in whole Atlantic salmon by near-infrared diffuse spectroscopy
1997
Wold, J.P. | Isaksson, T.
A near-infrared spectrometer equipped with an interactance optical fiber probe was used to determine the average crude fat and moisture content in the muscle of whole Atlantic salmon (Salmo salar). The fat contents were 8.8-19.2% and moisture 61.0-70.8%, and fish weight range 1.0-5.7 kg. A partial least square regression including 49 salmon resulted in root mean square error of cross validation of 1.12% fat (R = 0.87) and 0.98% moisture (R = 0.86). Results showed that NIR interactance was a suitable non-destructive screening method for fat and moisture content in farmed Atlantic salmon.
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