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Table 1 Color and pH of hydrolysates at different temperatures

From: Physical and functional properties of tunicate (Styela clava) hydrolysate obtained from pressurized hydrothermal process

Conditions (°C) Color pH
L* a* b*
Control (25) 41.26 ± 0.14d 1.20 ± 0.08f 5.94 ± 1.23d 6.38 ± 1.21d
125 42.39 ± 0.67d 1.27 ± 0.13f 6.45 ± 0.20d 6.45 ± 0.07d
150 50.21 ± 0.92a -0.28 ± 0.07g 12.31 ± 0.06c 5.51 ± 0.01e
175 49.30 ± 0.04b 1.83 ± 0.05e 21.47 ± 0.07b 5.35 ± 0.03f
200 36.72 ± 0.28d 7.28 ± 0.02d 14.03 ± 0.24c 5.04 ± 0.01g
225 35.20 ± 0.37f 9.59 ± 0.12a 12.05 ± 0.35c 6.74 ± 0.03c
250 47.32 ± 0.10c 9.22 ± 0.09b 28.29 ± 0.08a 8.58 ± 0.00b
275 50.09 ± 0.15ab 8.44 ± 0.06c 28.82 ± 0.72a 8.96 ± 0.02a
  1. Values are mean ± SD. Values with different superscript letters within rows indicate statistical significant difference (P ≤ 0.05) as determined by Duncan’s multiple range test