mg/100g

Heat treatments level (Mean + SD)

P value

Raw milk

65˚C/30min

72˚C/30sec

75˚C/5min

85˚C/5min

90˚C/5min

NCN

110.75 ± 1.76^a

108 ± 1.41^a

105.2 ± 1.13^a

98.8 ± 1.97^b

87.25 ± 3.88^c

74.00 ± 2.82^d

***

NPN

29.75 ± 0.70^c

30.6 ± 0.77^bc

31.6 ± 2.26^abc

32.6 ± 1.34^abc

33.25 ± 0.35^ab

33.90 ± 0.14^a

ns

WPN

81.00 ± 1.41^a

77.5 ± 2.12^ab

73.70 ± 0.98^b

66.50 ± 3.53^c

54.00 ± 4.24^d

40.10 ± 2.68^e

***

WPD%

0

4.30 ± 0.98^ed

9.00 ± 2.82^d

18.0 ± 0.2.82^c

33.37 ± 4.06^b

50.50 ± 2.51^a

***