Table 2 Color parameters (L*, a*, b*, ΔE, H*ab, C* (lightness, redness, yellowness, total color difference, hue angle, and chroma, respectively)) and visual aspect (pictures) of different pectin power.

From: Optimization of sunflower head pectin extraction by ammonium oxalate and the effect of drying conditions on properties

 

Sigma commercial pectin

SFHP

DSHP

Visual aspect

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L*

81.23 ± 0.25

75.88 ± 0.38

51.99 ± 0.52

a*

4.01 ± 0.07

4.14 ± 0.13

2.86 ± 0.24

b*

14.88 ± 0.17

10.73 ± 0.20

5.17 ± 0.38

H*ab

15.06 ± 0.12

21.11 ± 0.17

28.94 ± 0.42

C*

15.41 ± 0.18

11.50 ± 0.23

5.91 ± 0.45

ΔE*

 

6.77 ± 0.21

30.83 ± 0.48