Table 2 Color parameters of the powders.

Sample	Storage Time	L*	a*	b*	Hue Angle	Chroma	ΔE
G1	0	22.64 ± 0.36^aA	18.58 ± 0.13^bA	− 1.72 ± 0.08^aA	359.91 ± 0.01^aA	18.66 ± 0.04^bA	–
	14	22.49 ± 0.38^aA	18.81 ± 0.26^abA	–1.47 ± 0.06^aA	359.92 ± 0.01^aA	18.87 ± 0.05^abA	0.37 ± 0.04^bA
	28	22.43 ± 0.40^aA	19.32 ± 0.30^aA	− 1.28 ± 0.06^aA	359.93 ± 0.02^aA	19.36 ± 0.07^aA	0.89 ± 0.04^aA
G2	0	21.54 ± 0.32^aB	17.95 ± 0.17^bB	− 0.98 ± 0.07^aB	359.94 ± 0.01^aA	17.98 ± 0.06^bB	–
	14	21.16 ± 0.30^aB	18.14 ± 0.19^abB	–0.88 ± 0.06^aB	359.95 ± 0.01^aA	18.16 ± 0.06^abB	0.44 ± 0.04^bA
	28	20.81 ± 0.29^bB	18.51 ± 0.22^aB	− 0.82 ± 0.05^aB	359.96 ± 0.02^aA	18.53 ± 0.07^aB	0.93 ± 0.05^aA

Values with distinct lowercase letters indicate a statistically significant difference among each color parameter and storage duration(p<0.05). Values with distinct superscript uppercase letters indicate a significant difference among each color parameter and powdervariant (p<0.05).

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