Pseudomonas culture | UHT production date | Time stored at 37 °C after UHT production / and time of sensory evaluation | Dilution with blanc milk | off-flavor | Sensorial evaluation method described in this paper | Rank test to Kramer | Proteolysis (μmolglycine equivalents / ml) | ||
---|---|---|---|---|---|---|---|---|---|
value ± sd | milk sample rank sum | (lowest - highest) insignificant rank suma | # sensorial evaluators | ||||||
Blanc Blanc Blanc Blanc |
02/12/2010 (t3) 02/12/2010 (t3) 03/12/2010 (t4) 03/12/2010 (t4) |
15 days 11 days 13 days 10 days |
Undiluted Undiluted Undiluted Undiluted |
NO NO NO NO |
5 5 5 5 |
33 18 24Z34a / 20Z34b / 26W52b 17 |
(39–56) (33–47) (35–50) Z34a / (33–47)Z34b / (35–50)W52d (33–47) |
19 16 17Z34a / 16Z34b / 17W52d 16 |
1,01 0,96 1,04 0,92 |
Z34a | 03/12/2010 (t4) | 13 days |
1:3 2:3 Undiluted |
NO NO YES |
4,69 ± 1,72 4.62 ± 1,68 3,43 ± 1,53 |
25 26 35 |
(35–50) (35–50) (35–50) |
17 17 17 |
1,18 1,39 1,73 |
W12b | 02/12/2010 (t3) | 11 days |
1:3 2:3 Undiluted |
NO NO YES |
4,37 ± 1,29 4,55 ± 1,40 3,00 ± 1,88 |
22 22 35 |
(33–47) (33–47) (33–47) |
16 16 16 |
1,35 1,58 1,84 |
Z34b | 03/12/2010 (t4) | 13 days |
1:3 2:3 Undiluted |
NO YES YES |
4,39 ± 1,13 3,89 ± 1,13 2,16 ± 1,24 |
29 37 53 |
(33–47) (33–47) (33–47) |
16 16 16 |
1,42 1,78 2,24 |
W2a | 03/12/2010 (t4) | 10 days |
1:3 2:3 Undiluted |
NO YES YES |
4,1 ± 1,38 3,12 ± 1,79 1,64 ± 0,75 |
23 38 47 |
(33–47) (33–47) (33–47) |
16 16 16 |
1,58 2,04 2,48 |
fragi Z41b | 02/12/2010 (t3) | 15 days |
1:3 2:3 Undiluted |
NO YES YES |
4,82 ± 0,82 3,61 ± 1,35 3,38 ± 1,35 |
32 41 53 |
(39–56) (39–56) (39–56) |
15 15 15 |
1,06 1,16 1,2 |
lundensis W52b | 03/12/2010 (t4) | 13 days |
1:3 2:3 Undiluted |
NO YES YES |
4,53 ± 1,54 3,02 ± 1,44 2,78 ± 1,45 |
29 43 54 |
(35–50) (35–50) (35–50) |
17 17 17 |
1,41 1,81 2,2 |