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. 2018 Jun 6;23(6):1372. doi: 10.3390/molecules23061372

Table 4.

Pearson test correlation coefficients (r) among the oenological parameters of Chardonnay grape juices and base wines (p < 0.05).

Parameters Grape Juices Base Wines
pH TA (g/L H₂SO₄) MA (g/L) TartA (g/L) Sugars (g/L) PAC(% v/v) Grape berry MD K+ (mg/L) Ca++ (mg/L) YAN (mg/L) NH4+ (mg/L) α-NH2 (mg/L) pH TA (g/L H₂SO₄) MA (g/L) TartA (g/L) K+ (mg/L) Ca++ (mg/L) α-NH2 (mg/L) Prot content (mg/L eq. BSA) Prot content (mg/L eq. 50 kDa marker) Foamability (mm)
Grape juices pH 1
TA (g/L H₂SO₄) −0.973 1 r > 0.95 : significant positive correlation r < −0.95 : significant negative correlation
−0.929
−0.947
MA (g/L) −0.909 0.980 1 0.95 > r > 0.80 : high positive correlation ‒0.95 < r < −0.80 : high negative correlation
−0.931 1.000
−0.903 0.990
TartA (g/L) 0.500 −0.686 −0.816 1
1.000 −0.929 −0.931
−0.905 0.955 0.968
Sugars (g/L) 0.732 −0.869 −0.949 0.956 1
0.785 −0.959 −0.957 0.785
0.905 −0.985 −0.995 −0.959
PAC (% v/v) 0.730 −0.867 −0.949 0.957 1.000 1
0.756 −0.945 −0.943 0.756 0.999
0.910 −0.984 −0.995 −0.968 0.999
Grape berry MD 0.945 −0.995 −0.995 0.756 0.914 0.913 1
0.918 −1.000 −0.999 0.918 0.966 0.954
0.932 −0.995 −0.997 −0.974 0.994 0.995
K+ (mg/L) 0.826 −0.674 −0.514 −0.076 0.219 0.217 0.595 1
0.949 −0.998 −0.998 0.949 0.940 0.923 0.996
- - - - - - -
Ca++ (mg/L) −0.874 0.962 0.997 −0.858 −0.971 −0.970 −0.985 −0.447 1
−0.663 0.893 0.891 −0.663 −0.984 −0.991 −0.906 −0.864
- - - - - - - -
YAN (mg/L) 0.795 −0.634 −0.468 −0.129 0.167 0.165 0.552 0.999 −0.399 1
0.896 −0.667 −0.670 0.896 0.427 0.386 0.645 0.711 −0.261
−0.897 0.947 0.947 0.897 −0.972 −0.970 −0.951 - -
NH4+ (mg/L) 0.791 −0.630 −0.464 −0.134 0.162 0.159 0.548 0.998 −0.394 1.000 1
0.803 −0.524 −0.529 0.803 0.261 0.217 0.500 0.575 −0.086 0.984
−0.955 0.952 0.925 0.897 −0.945 −0.946 −0.942 - - 0.976
α-NH2 (mg/L) 0.798 −0.638 −0.473 −0.124 0.172 0.170 0.556 0.999 −0.403 1.000 1.000 1
0.952 −0.770 −0.773 0.952 0.557 0.519 0.752 0.807 −0.401 0.989 0.947
−0.780 0.807 0.826 0.794 −0.875 −0.876 −0.831 - - 0.942 0.886
Base wines pH 1.000 −0.979 −0.920 0.524 0.750 0.748 0.954 0.810 −0.887 0.778 0.774 0.781 1
0.935 −1.000 −1.000 0.935 0.953 0.939 0.999 0.999 −0.885 0.680 0.540 0.781
0.990 −0.910 −0.848 −0.846 0.845 0.850 0.882 - - −0.839 −0.921 −0.699
TA (g/L H₂SO₄) −0.956 0.998 0.991 −0.731 −0.899 −0.898 −0.999 −0.624 0.978 −0.582 −0.578 −0.586 −0.964 1
−0.948 0.998 0.999 −0.948 −0.941 −0.925 −0.996 −1.000 0.866 −0.708 −0.572 −0.805 −0.999
−0.949 0.999 0.989 0.960 −0.987 −0.987 −0.995 - - 0.954 0.961 0.819 −0.910
MA (g/L) −0.948 0.996 0.994 −0.750 −0.911 −0.910 −1.000 −0.602 0.983 −0.559 −0.555 −0.563 −0.956 1.000 1
−0.948 0.998 0.999 −0.948 −0.941 −0.925 −0.996 −1.000 0.867 −0.707 −0.571 −0.805 −0.999 1.000
−0.932 0.999 0.994 0.955 −0.991 −0.990 −0.996 - - 0.956 0.951 0.821 −0.888 0.998
TartA (g/L) 0.693 −0.509 −0.329 −0.277 0.016 0.013 0.419 0.979 −0.255 0.988 0.989 0.988 0.673 −0.452 −0.427 1
0.693 −0.376 −0.381 0.693 0.097 0.052 0.350 0.432 0.080 0.942 0.986 0.881 0.393 −0.428 −0.428
−0.904 0.966 0.974 0.957 −0.987 −0.989 −0.977 - - 0.982 0.967 0.900 −0.842 0.975 0.974
K+ (mg/L) 0.951 −0.997 −0.993 0.743 0.906 0.905 1.000 0.611 −0.981 0.568 0.563 0.572 0.959 −1.000 −1.000 0.437 1
0.818 −0.973 −0.972 0.818 0.998 0.995 0.979 0.957 −0.973 0.476 0.313 0.602 0.969 −0.958 −0.958 0.152
−0.640 0.736 0.727 0.619 −0.769 −0.755 −0.719 - - 0.859 0.831 0.784 −0.594 0.750 0.757 0.811
Ca++ (mg/L) −0.457 0.649 0.786 −0.999 −0.941 −0.941 −0.723 0.125 0.832 0.177 0.183 0.172 −0.481 0.697 0.717 0.324 −0.709 1
−0.605 0.857 0.855 −0.605 −0.968 −0.979 −0.872 −0.824 0.997 −0.188 −0.011 −0.332 −0.848 0.827 0.827 0.154 −0.953
0.120 0.125 0.215 0.254 −0.153 −0.155 −0.165 - - −0.032 −0.103 −0.170 0.180 0.121 0.147 0.117 −0.056
α-NH2 (mg/L) 1.000 −0.973 −0.909 0.500 0.732 0.730 0.945 0.826 −0.874 0.795 0.791 0.798 1.000 −0.956 −0.948 0.693 0.951 −0.457 1
0.977 −0.986 −0.987 0.977 0.898 0.877 0.981 0.994 −0.806 0.781 0.659 0.865 0.989 −0.994 −0.994 0.525 0.921 −0.760
−0.584 0.698 0.728 0.597 −0.779 −0.765 −0.711 - - 0.860 0.751 0.901 −0.505 0.701 0.723 0.773 0.846 −0.137
Prot content
(mg/L eq. BSA)
0.979 −0.907 −0.805 0.314 0.578 0.576 0.859 0.923 −0.757 0.901 0.899 0.903 0.973 −0.877 −0.864 0.825 0.869 −0.267 0.979 1
0.993 −0.966 −0.967 0.993 0.852 0.827 0.958 0.980 −0.746 0.837 0.728 0.909 0.970 −0.979 −0.979 0.604 0.879 −0.694 0.995
0.909 −0.957 −0.967 −0.993 0.966 0.974 0.973 - - −0.925 −0.929 −0.827 0.849 −0.967 −0.960 −0.979 −0.695 −0.216 −0.637
Prot content
(mg/L eq. 50 kDa marker)
0.992 −0.935 −0.847 0.384 0.638 0.636 0.895 0.891 −0.804 0.866 0.864 0.869 0.988 −0.911 −0.899 0.780 0.903 −0.338 0.992 0.997 1
0.988 −0.974 −0.975 0.988 0.870 0.847 0.967 0.986 −0.769 0.818 0.703 0.894 0.978 −0.985 −0.985 0.576 0.896 −0.719 0.998 0.999
0.823 −0.855 −0.863 −0.834 0.844 0.847 0.867 - - −0.759 −0.729 −0.681 0.786 −0.839 −0.846 −0.766 −0.363 −0.088 −0.573 0.784
Foamability (mm) 0.968 −1.000 −0.984 0.701 0.879 0.878 0.997 0.658 −0.968 0.617 0.613 0.621 0.975 −0.999 −0.997 0.491 0.998 −0.665 0.968 0.898 0.928 1
0.988 −0.975 −0.976 0.988 0.872 0.849 0.968 0.987 −0.771 0.816 0.700 0.893 0.979 −0.986 −0.986 0.573 0.897 −0.721 0.998 0.999 1.000
0.703 −0.845 −0.910 −0.912 0.898 0.903 0.890 - - −0.805 −0.722 −0.757 0.608 −0.844 −0.860 −0.861 −0.511 −0.434 −0.656 0.885 0.850

The correlation coefficients represent CH S1 2015 (above), CH S2 2015 (middle) and CH S1 2016 (below) in each grid. CH: Chardonnay. S1 and S2: squeeze 1 and squeeze 2.