Table 6.

Effect of storage on the k and t_1/2 values of anthocyanin degradation kinetics of Roselle extracted with DES.

Temperature (°C)	3 Days		6 Days		9 Days		12 Days		15 Days		18 Days
	k	t1/2	k	t1/2	k	t1/2	k	t1/2	K	t1/2	k	t1/2
20	4.34 × 10−7 ± 5.34 × 10−8a	1.61 × 106 ± 1.92 × 105b	7.41 × 10−7 ± 3.29 × 10−8a	0.94 × 106 ± 0.43 × 105c	4.59 × 10−7 ± 1.55 × 10−8a	1.51 × 106 ± 0.50 × 105b	4.34 × 10−7 ± 1.22 × 10−8a	1.60 × 106 ± 0.45 × 105c	3.95 × 10−7 ± 3.01 × 10−9a	1.87 × 106 ± 1.75 × 105b	2.73 × 10−7 ± 1.72 × 10−8a	2.31 × 106 ± 2.54 × 105b
4	2.63 × 10−7 ± 0.96 × 10−8b	2.63 × 106 ± 0.98 × 105a	3.31 × 10−7 ± 2.82 × 10−8b	1.11 × 106 ± 1.85 × 105b	1.51 × 10−7 ± 2.82 × 10−8b	4.65 × 106 ± 5.34 × 105a	2.00 × 10−7 ± 7.31 × 10−9b	3.47 × 106 ± 1.28 × 105b	1.65 × 10−7 ± 2.14 × 10−8b	4.25 × 106 ± 5.72 × 105a	1.47 × 10−7 ± 2.34 × 10−8b	4.49 × 106 ± 8.12 × 105a
−20	2.52 × 10−7 ± 3.33 × 10−8b	2.78 × 106 ± 3.69 × 105a	2.38 × 10−7 ± 3.52 × 10−8c	2.96 × 106 ± 4.43 × 105a	1.29 × 10−7 ± 1.15 × 10−8b	5.39 × 106 ± 0.81 × 105a	1.41 × 10−7 ± 2.72 × 10−8c	5.05 × 106 ± 10.91 × 105a	1.57 × 10−7 ± 1.01 × 10−8b	4.42 × 106 ± 2.92 × 105a	1.38 × 10−7 ± 1.01 × 10−8b	5.06 × 106 ± 3.55 × 105a

Different letters (a, b, c) in the same column indicate statistical differences (p < 0.05). k (s⁻¹) and t_1/2 (s).