A reduction in the muscle moisture due to the addition of crude glycerin to the diet was observed, which is explained by the increase in intramuscular fat deposition.
The chemical composition of the muscles is relatively constant (approximately 75% water, 19 to 25% protein and 1 to 2% minerals), and the greatest variability observed is in the lipid content (Geay, Bauchart, Hocquette, & Culioli, 2001).