Table 3.
Physicochemical Properties | cv. “Primoris” | cv. “Endurance” | cv. “Portola” |
Titratable acidity (g citric acid/100 g) |
0.809 ± 0.011 a | 0.739 ± 0.009 a | 0.572 ± 0.047 c |
Soluble solid content (°Brix) |
6.82 ± 0.37 b | 8.51 ± 0.34 a | 4.89 ± 0.25 c |
Colour | |||
Superficial zone (surface) | |||
L* | 42.3 ± 3.6 a | 36.0 ± 3.5 c | 38.5 ± 2.7 b |
a* | 33.3 ± 1.8 a | 34.5 ± 2.1 a | 32.8 ± 1.7 a |
b* | 28.8 ± 5.1 a | 24.1 ± 3.2 b | 30.4 ± 3.7 a |
°h | 40.5 ± 5.2 a | 34.8 ± 2.8 b | 42.7 ± 3.7 a |
Internal zone (interior) | |||
L* | 32.5 ± 0.3 b | 37.2 ± 1.8 a | 36.4 ± 1.2 a |
a* | 21.6 ± 0.7 a | 21.7 ± 1.1 a | 18.6 ± 0.6 b |
b* | 17.6 ± 0.4 b | 17.2 ± 1.1 b | 18.9 ± 0.7 a |
°h | 39.2 ± 0.9 b | 38.5 ± 1.2 c | 45.5 ± 0.9 a |
Texture | |||
Superficial zone (surface) | |||
Hardness (N) | 1.23 ± 0.39 a | 0.612 ± 0.270 b | 1.26 ± 0.43 a |
Adhesiveness (N/s) | 1.80 ± 0.58 a | 0.871 ± 0.321b | 1.87 ± 0.69 a |
Internal zone (interior) | |||
Hardness (N) | 0.950 ± 0.299 a | 0.431 ± 0.240 b | 0.998 ± 0.306 a |
Adhesiveness (N/s) | 1.69 ± 0.48 a | 0.748 ± 0.419 b | 1.73 ± 0.50 a |
Data are expressed as “mean ± standard deviation”. a,b In the same line, different letters indicate significant differences (P < 0.05, Tukey test) between strawberry cultivars.