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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