Table 8.
Correlation between proteolysis and technological parameters of yogurts
Treatment | Technological parameters | ||||||||
---|---|---|---|---|---|---|---|---|---|
pH | Acidity | St | Lb | EPS | Syneresis | WHC | Hardness | Cohesiveness | |
A (control) | 0.11 NS | 0.02 NS | −0.13 NS | −0.40 NS | 0.20 NS | 0.17 NS | −0.26 NS | 0.24 NS | −0.19 NS |
B | −0.77** | 0.79** | −0.90** | −0.71* | 0.86** | −0.89** | 0.90** | 0.85** | 0.71** |
C | −0.89** | 0.90** | 0.51 NS | −0.72* | 0.13 NS | −0.85** | 0.87** | −0.10 NS | 0.05 NS |
D | −0.94** | 0.92** | −0.37 NS | −0.72* | −0.86** | −0.91** | 0.96** | 0.76** | 0.67* |
E | −0.90** | 0.93** | 0.20 NS | 0.34 NS | −0.96** | −0.93** | 0.88** | 0.74* | −0.23 NS |
F | −0.88** | 0.89** | −0.15 NS | 0.04 NS | −0.84** | −0.90** | 0.96** | 0.73* | −0.16 NS |
G | −0.92** | 0.89** | 0.62 NS | 0.26 NS | 0.26 NS | −0.94** | 0.88** | 0.83** | 0.16 NS |
H | −0.95** | 0.87** | −0.75* | −0.41 NS | 0.78** | 0.65* | 0.87** | 0.97** | 0.64* |
I | −0.78** | 0.82** | −0.42 NS | −0.06 NS | 0.74* | −0.94** | 0.98** | 0.38 NS | 0.24 NS |
J | −0.81** | 0.89** | −0.75* | −0.80** | −0.26 NS | −0.99** | 0.98** | 0.72* | 0.69* |
K | −0.80** | 0.85** | 0.64* | −0.07 NS | −0.90** | −0.01 NS | −0.26 NS | 0.87** | −0.02 NS |
L | −0.90** | 0.97** | −0.03 NS | −0.56 NS | 0.06 NS | 0.44 NS | 0.90** | 0.10 NS | −0.56 NS |
M | −0.94** | 0.96** | −0.54 NS | −0.24 NS | −0.83** | 0.29 NS | 0.54 NS | 0.82** | −0.87** |
**correlation is significant at the 0.01 level
*correlation is significant at the 0.05 level
NS. not significant
Presented values are the correlation between proteolysis and technological parameters of yogurts prepared by different combination of starter cultures during storage at 4°C. For details of samples, see Table 1.