Developing an in-house colorimetric method for detecting organophosphate and carbamate residue using cricket cholinesterase

Chemical and Biological Technologies in Agriculture

Table 3 Result of ChE activity in the 6 levels (%V/V) of MeOH in PBS pH 8.0

	MeOH in PBS (%)
	5	4	3	2	1	0
ChE activity (mean ± SD)	41.80 ± 1.45^a	42.04 ± 0.66^a	42.44 ± 0.59^a	42.15 ± 1.15^a	40.40 ± 1.20^a	40.05 ± 1.36^a

Means followed by the same letter are not significantly different (P > 0.05; One-Way ANOVA; post Hoc Bonferroni Multiple Comparisons)
Note: According to the table, there were no significant differences in cholinesterase levels within 0% to 5% of the methanol percentage in PBS, as indicated by the same letter (a), indicating that the methanol percentage in PBS can be increased to 5% without affecting the test
ChE Cholinesterase, MeOH Methanol, PBS Phosphate Buffered Saline
^aThere were no significant differences in cholinesterase levels within 0% to 5% of the methanol percentage in PBS, (a) indicating that the methanol percentage in PBS can be increased to 5% without affecting the test.