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. 2015 Dec 29;53(4):1766–1783. doi: 10.1007/s13197-015-2133-4

Table 3.

Color parameters of LDPE films with different thickness and number of layers

		L*	a*	b*	∆E
Thickness (μm)	7.5	16.53 ± 4.1^c	0.03 ± 0.01^a	−2.17 ± 0.50^a	–
	15	18.18 ± 0.5^bc	−0.01 ± 0.00^a	−3.35 ± 0.30^ab	48.24 ± 0.50^bc
	30	25.16 ± 2.8^ab	−0.10 ± 0.04^ab	−3.46 ± 0.70^ab	41.30 ± 2.70^cd
	45	25.79 ± 0.80^a	−0.19 ± 0.03^b	−5.81 ± 0.40^c	40.43 ± 0.80^cd
Number of layers	1	16.53 ± 4.10^c	0.03 ± 0.01^a	−2.17 ± 0.50^a	–
	2	20.34 ± 1.10^abc	0.02 ± 0.00^a	−3.51 ± 0.20^b	46.07 ± 1.00^ab
	3	22.69 ± 0.80^abc	−0.03 ± 0.00^a	−4.22 ± 0.10^b	43.65 ± 0.80^bc
	4	26.73 ± 1.00^a	−0.05 ± 0.00^a	−4.53 ± 0.50^bc	39.61 ± 0.90^d

Different letters within the columns indicate significant difference (P < 0.05)