Phase | Raw milk | Early pasterurization | Inoculated milk |
Storage before final pasteurization | Final pasteurization | Final storage conditions | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
−22 °C | 4 °C | |||||||||||||
Sample | 1 wk | 2 wks | 3 wks | 4 wks | 1 wk | 2 wks | 3 wks | 4 wks | ||||||
1 | 0.00 | 0.00 | 5.81±0.19 | Processed immediately after inoculation |
5.81±0.19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
1* | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
1C | 5.53±0.01 | 5.53±0.01 | x | 3.05±0.21 | 0.00 | 0.00 | 0.00 | 5.42±0.02 | 0.00 | 0.00 | 0.00 | |||
1C* | 0.00 | 0.00 | x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
2 | 5.81±0.08 | 24 h at 4 °C | 5.72±0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
2* | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
2C | 5.58±0.02 | 5.54±0.11 | x | 3.14±0.21 | 0.00 | 0.00 | 0.00 | 5.25±0.05 | 0.00 | 0.00 | 0.00 | |||
2C* | 0.00 | 0.00 | x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
3 | 5.74±0.47 | 7 days at −21 °C | 2.82±0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
3* | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
3C | 5.54±0.12 | 2.39±0.39 | x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||
3C* | 0.00 | 0.00 | x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |