TABLE 4.
Means (± SE), soluble solid (SSC), (°Brix), total acid (TA), (g citric acid L–1), total phenolic (TPs) (mg equivalent gallic acid L–1), and ascorbic acid (mg L–1) contents and total antioxidant capacity (TACDPPH) (mg equivalent ascorbic acid L–1), in fruit from pomegranate (cv. Wonderful) trees treated with 0.5 mM (ASA1), 1.0 mM (ASA2) acetylsalicylic acid, or water (control) in 2011 and 2012.
2011 | 2012 | ANOVA | |||||||
Control | ASA1 | ASA2 | Control | ASA1 | ASA2 | ASA | Year | Year x ASA | |
SSC | 16.2 ± 0.2 | 16.7 ± 0.2 | 16.1 ± 0.3 | 16.6 ± 0.2 | 17.1 ± 0.3 | 16.5 ± 0.2 | 0.030 | 0.040 | 0.996 |
TA | 28.0 ± 1.5 | 30.1 ± 1.3 | 30.0 ± 1.3 | 23.8 ± 1.8 | 25.1 ± 1.4 | 28.3 ± 1.1 | 0.182 | 0.011 | 0.513 |
MI | 5.9 ± 0.3 | 5.6 0.3 | 6.5 ± 0.3 | 7.2 ± 0.5 | 6.9 ± 0.3 | 5.9 ± 0.3 | 0.072 | 0.001 | 0.335 |
TPs | 2,427.8 ± 52.7 | 2,488.0 ± 58.0 | 2,452.8 ± 91.7 | 1,897.0 ± 42.7 | 1,830.7 ± 78.2 | 1,905.2 ± 96.5 | 0.959 | <0.001 | 0.661 |
TACDPPH | 2,450.4 ± 28.8 a | 2,606.2 ± 59.4 b | 2,434.3 ± 68.7 ab | 2,607.6 ± 36.1 | 2,801.2 ± 30.4 | 2,734.3 ± 29.7 | 0.475 | 0.189 | 0.007 |
Ascorbic acid | 21.4 ± 0.7 | 22.7 ± 0.9 | 20.6 ± 1.5 | 18.7 ± 0.6 | 19.5 ± 1.2 | 19.0 ± 0.7 | 0.401 | 0.005 | 0.716 |
% edible portion | 46.0 ± 0.7 | 48.1 ± 0.5 | 48.2 ± 0.7 | 49.0 ± 1.9 | 48.7 ± 3.7 | 47.6 ± 4.2 | 0.880 | 0.512 | 0.601 |
% juice | 31.5 ± 0.7 | 33.2 ± 0.6 | 31.3 ± 0.5 | 34.3 ± 1.5 | 33.7 ± 2.6 | 33.0 ± 3.2 | 0.657 | 0.148 | 0.708 |
100 seed weight | 38.1 ± 0.7 | 37.1 ± 1.0 | 36.9 ± 0.9 | 35.5 ± 0.8 | 35.5 ± 0.7 | 35.3 ± 0.9 | 0.773 | 0.054 | 0.830 |
% red | 35.0 ± 4.0 b | 65.0 ± 3.8 a | 67.0 ± 6.0a | <0.001 | |||||
L* | 55.1 ± 1.1 a | 47.1 ± 0.8 b | 45.6 ± 1.2 b | <0.001 | |||||
a* | 43.6 ± 1.2 b | 50.2 ± 1.0 a | 51.2 ± 1.1 a | <0.001 | |||||
b* | 21.7 ± 0.3 | 22.4 ± 0.5 | 22.6 ± 0.7 | 0.220 | |||||
H* | 26.6 ± 0.4 a | 22.9 ± 0.4 b | 23.8 ± 0.7 b | <0.001 | |||||
C* | 48.7 ± 1.0 b | 54.2 ± 0.6 a | 56.0 ± 0.9 a | <0.001 |
ANOVA results from the effects of year and ASA treatment and their interaction are presented. Means with different letters are significantly different at P < 0.05 in the same year. The asteristics is part of CIELAB color parameter identifications.