Table 2.

The change of ΔL, Δa, Δb, and ΔE in the process of jujube blacking

时间/hr	ΔL	Δa	Δb	ΔE
0	−0.43	−1.95	−0.69	2.12
12	−1.69	−9.68	−2.07	10.04
24	−1.47	−9.45	−2.01	9.77
36	−1.01	−8.76	−1.87	9.02
48	−1.55	−9.69	−1.96	10.01
60	−1.70	−10.41	−2.16	10.77
72	−1.53	−10.02	−2.14	10.36
84	−0.74	−8.20	−1.85	8.44
96	−0.96	−8.84	−1.92	9.10