Detection of Veterinary Antimicrobial Residues in Milk through Near-Infrared Absorption Spectroscopy

Table 1

Result of physical-chemical characterization of milk samples. Average values and their standard deviations.

Analysis	Values	Values reference^a,b
Cryoscopy	(0.536 ± 0.001) °H	(−0.550 to −0.530) °H
Acidity	(17.3 ± 0.6) °Dornic	(14 to 18) °Dornic
Density	(1.031 ± 0.000) g/mL	(1.029 to 1.040) g/mL
pH to °C	(6.72 ± 0.01)	(6.60 to 6.80)
Fat	(3.65 ± 0.01) %	≥3.00
Protein	(3.14 ± 0.01) %	≥2.90
Lactose	(4.50 ± 0.01) %	≥4.30
Solids	(11.29 ± 0.01) %	≥8.40

^aIN 62; ^bFAO/TCP/KEN/6611.