Genetic diversity of Aspergillus flavus and occurrence of aflatoxin contamination in stored maize across three agro-ecological zones in Kenya

Table 2 Mean aflatoxin levels calculated on basis of the legal limit of 10 µg/kg

Sample site	AEZ	N	Aflatoxin contaminated samples	Mean* (µg/kg)	Range (µg/kg) (min–max)	Frequency of contaminated samples
Kitui	Semi-humid–semiarid	30	3	0.68^a	< 2–13	< 10 µg/kg 29/30 (97%)
						> 10 µg/kg 1/30 (3%)
Kitale	Sub-humid–semi-humid	40	23	9.70^b	< 2–72	< 10 µg/kg 28/40 (70%)
						> 10 µg/kg 12/40 (30%)
Nakuru	Semi-humid	60	50	4.20^a	<2–13	< 10 µg/kg 58/60 (97%)
						> 10 µg/kg 2/60 (3%)

N, sample size
*Means within a column with different superscripts are significantly different (p < 0.05

ISSN: 2048-7010