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. 2019 Nov 17;9(11):744. doi: 10.3390/biom9110744

Table 5.

Colour parameters of the tested juices immediately after production and during 4 months of storage.

Juice Parameters Time of Storage
After Production 1 Month 2 Months 3 Months 4 Months
A L* 98.28 ± 0.98 a 98.28 ± 0.98 a 98.35 ± 0.98 a 98.61 ± 0.99 a 98.87 ± 0.99 a
a* 0.21 ± 0.00 a 0.17 ± 0.00 b 0.21 ± 0.00 a 0.17 ± 0.00 b 0.15 ± 0.00 c
b* 1.63 ± 0.02 d 2.06 ± 0.02 c 2.86 ± 0.03 b 3.52 ± 0.04 a 3.45 ± 0.03 a
ΔE - 0.43 1.23 1.92 1.91
H L* 4.47 ± 0.04 d 4.71 ± 0.05 c 5.44 ± 0.05 b 6.30 ± 0.06 a 6.40 ± 0.06 a
a* 35.34 ± 0.35 a 35.11 ± 0.35 a 32.97 ± 0.33 b 30.29 ± 0.30 c 29.22 ± 0.29 d
b* 7.66 ± 0.08 d 8.03 ± 0.08 c 9.35 ± 0.09 b 10.81 ± 0.11 a 10.91 ± 0.11 a
ΔE - 0.50 3.07 6.23 7.19
AH1 L* 49.59 ± 0.50 c 50.76 ± 0.51 b c 51.81 ± 0.52 b 51.96 ± 0.52 b 53.48 ± 0.53 a
a* 57.98 ± 0.70 a 58.28 ± 0.58 a 56.95 ± 0.57 a 57.29 ± 0.57 a 55.16 ± 0.55 b
b* 10.04 ± 0.10 e 11.78 ± 0.12 d 14.48 ± 0.14 c 20.22 ± 0.20 b 33.77 ± 0.34 a
ΔE - 2.12 5.07 10.48 24.21
AH2 L* 33.35 ± 0.33 d 34.83 ± 0.35 c 34.84 ± 0.35 c 36.39 ± 0.36 b 38.55 ± 0.39 a
a* 60.05 ± 3.44 a 60.38 ± 0.60 a 55.27 ± 0.55 b 52.97 ± 0.53 b c 49.59 ± 0.50 c
b* 29.64 ± 0.30 e 32.33 ± 0.32 d 37.92 ± 0.38 c 46.04 ± 0.46 b 59.34 ± 0.59 a
ΔE - 3.09 9.68 18.12 31.92
AH3 L* 24.10 ± 0.24 c 24.29 ± 0.38 c 25.39 ± 0.25 b 26.39 ± 0.26 a 27.26 ± 0.27 a
a* 65.79 ± 0.66 a 65.28 ± 1.77 a 61.57 ± 0.62 b 62.30 ± 0.70 b 60.95 ± 0.71 b
b* 39.22 ± 0.39 d 39.31 ± 0.42 d 42.69 ± 0.42 c 44.91 ± 0.44 b 46.88 ± 0.46 a
ΔE - 0.55 5.61 7.06 9.60

a–e Means with the same letter did not differ significantly.