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. 2019 Mar 20;24(6):1114. doi: 10.3390/molecules24061114

Table 1.

Coloration parameters of pitaya fruit at different developmental stages.

Tissue Color Items Harvest Date
19 DPA 21 DPA 23 DPA 25 DPA 26 DPA 27 DPA 29 DPA
Peel L* 47.91 ± 2.89 47.73 ± 2.36 43.30 ± 1.08 42.98 ± 1.47 43.24 ± 1.13 45.19 ± 0.24 37.69 ± 0.92
a* −14.42 ± 0.49 −15.33 ± 0.31 −14.81 ± 0.31 −13.78 ± 0.36 −9.26 ± 0.42 −4.46 ± 4.47 21.15 ± 3.19
b* 22.36 ± 1.11 25.00 ± 1.12 22.34 ± 0.62 21.16 ± 0.98 21.33 ± 0.96 21.12 ± 0.89 10.38 ± 0.60
C* 26.60 ± 1.20 29.33 ± 1.11 26.80 ± 0.67 25.25 ± 0.96 23.44 ± 1.02 22.45 ± 1.92 23.64 ± 2.94
122.86 ± 0.42 121.55 ± 0.68 123.55 ± 0.33 123.11 ± 0.42 115.66 ± 1.03 100.04 ± 11.19 26.83 ± 3.27
Pulp L* 78.25 ± 1.26 67.69 ± 0.84 66.54 ± 3.21 66.10 ± 1.04 51.32 ± 1.65 38.24 ± 0.43 32.64 ± 0.84
a* 2.15 ± 0.44 2.38 ± 0.23 0.53 ± 0.87 −0.21 ± 0.96 14.38 ± 0.33 29.18 ± 0.68 27.41 ± 0.97
b* 15.18 ± 1.16 10.32 ± 4.05 6.88 ± 2.94 4.40 ± 0.12 −6.43 ± 0.14 −3.22 ± 0.60 0.60 ± 0.52
C* 15.35 ± 1.09 10.66 ± 3.96 6.96 ± 2.30 4.41 ± 0.12 16.68 ± 0.32 29.37 ± 0.73 27.42 ± 0.97
81.65 ± 2.14 73.91 ± 4.47 89.87 ± 5.04 92.82 ± 1.34 53.64 ± 2.15 6.26 ± 1.03 1.82 ± 0.44