Table 1.

Color values and particle size of solutions containing sodium copper chlorophyllin (SCC) + stabilizers at pH = 3.5.

Type of stabilizer	Particle size (Z average) (nm)	Polydispersity index (PDI)	Color features
			L*	a*	b*	ΔE
Control (pH = 7)	–	–	2.83 ± 0.04g	−2.40 ± 0.06 e	1.68 ± 0.27b	–
Control (pH = 3.5)	1462 ± 226 a	2.36 ± 0.96 a	3.64 ± 0.07f	−2.42 ± 0.06 e	0.71 ± 0.08 de	1.34 ± 0.04f
Gum Arabic-SCC	464 ± 26c	0.18 ± 0.03c	5.16 ± 0.12b	−3.63 ± 0.13b	1.77 ± 0.15c	2.74 ± 0.04b
Xanthan gum-SCC	605 ± 71c	0.22 ± 0.04c	4.75 ± 0.13c	−3.27 ± 0.07c	0.86 ± 0.07 d	2.33 ± 0.1c
CMC-SCC	852 ± 54b	0.92 ± 0.07 a	4.17 ± 0.03 d	−2.80 ± 0.25 d	0.55 ± 0.06 ef	1.87 ± 0.01 d
Pectin-SCC	703 ± 97 bc	0.34 ± 0.11 bc	3.80 ± 0.07 e	−2.56 ± 0.19 e	0.35 ± 0.10f	1.71 ± 0.02 e
Polysorbate 80-SCC	196 ± 19 d	0.35 ± 0.03 bc	6.64 ± 0.03 a	−5.45 ± 0.21 a	2.44 ± 0.03 a	5.43 ± 0.1 a

Control was a model solution containing SCC at pH = 7 or 3.5. Values with different letters within columns means significantly different (P < 0.05).