[Table/Fig-5]:

Pair wise comparison of main groups (1, 2 and 3) and sub groups (A and B) with respect to optical density at 1^st day by Tukey’s multiple post hoc procedures.

Main groups		Group 1		Group 2		Group 3
Sub groups		Sub group A	Sub group B	Sub group A	Sub group B	Sub group A	Sub group B
Mean		0.2649	0.1940	0.1402	0.1112	0.1931	0.1567
SD		0.0112	0.0035	0.0021	0.0063	0.0067	0.0063
Group 1	Sub group 1	-
	Sub group 2	0.0002*	-
Group 2	Sub group 1	0.0002*	0.0002*	-
	Sub group 2	0.0002*	0.0002*	0.0002*	-
Group 3	Sub group 1	0.0002*	0.9998	0.0002*	0.0002*	-
	Sub group 2	0.0002*	0.0002*	0.0271*	0.0002*	0.0002*	-

*p<0.05