Azadirachta indica Mediated Bioactive Lyocell Yarn: Chemical and Colour Characterization

Table 3

Color coordinates of lyocell yarn dyed with water and methanol extracts of Azadirachta indica leaves.

Dye	Process	Mordant	Color coordinates
			𝐿^∗	𝑎^∗	𝑏^∗
Methanol extract	Control	—	57.43	−11.69	32.52
	Premordanting	TKP	75.315	−0.556	19.145
		Harad	68.715	−1.761	22.951
		FeSO4	68.005	1.295	17.089
		Al2(SO4)3	78.858	−2.803	20.986
	Postmordanting	TKP	69.385	−2.994	20.235
		Harad	75.333	0.688	20.088
		FeSO4	63.070	0.422	11.019
		Al2(SO4)3	78.068	−4.826	17.641
Water extract	Control	—	72.261	−1.124	14.724
	Premordanting	TKP	70.639	2.471	12.500
		Harad	71.408	0.586	19.211
		FeSO4	65.727	−1.677	16.361
		Al2(SO4)3	79.441	−1.711	17.532
	Postmordanting	TKP	75.756	−2.627	19.338
		Harad	73.648	0.048	20.04
		FeSO4	63.408	1.943	13.946
		Al2(SO4)3	79.441	−1.711	17.532

Note: Concentration of dye 10% owf.