Table 4.

Mean level of NSE, MFO and GST activity in An. gambiae s.l. tested population

	Kisumu		Ehania-V1		p value
	N	Mean	N	Mean
α-Naphthyl acetate (μmol α-naphthol/min/mg protein)	49	0.081 ± 0.032	50	0.187 ± 0.129	<0.001*
β-Naphthyl acetate (μmol β-naphthol/min/mg protein)	45	0.084 ± 0.071	47	0.175 ± 0.120	<0.001*
MFO (nmol P450 unit/mg protein)	47	0.074 ± 0.041	50	0.119 ± 0.113	0.277
GST (μmol GSH conj/min/mg protein)	36	0.226 ± 0.143	44	1.778 ± 1.669	<0.001*

NSE α activity with substrate alpha-naphthyl acetate (µmol α-naphthol produced/min/mg protein), NSE β level with substrate beta-naphthyl acetate (µmol β-naphthol produced/min/mg protein), MFO multiple function oxidase level (nmol equivalent unit of cytochrome P450/mg protein), GST GST level (nmol GST conjugated/min/mg protein), N number of An. gambiae s.l. tested

* Indicated that enzyme activity or quantity was significantly difference compared with the Kisumu reference susceptible strain (p < 0.001)