Level of heavy metals in sliced watermelon fruits in selected markets in Akure, Nigeria

Bulletin of the National Research Centre

Table 3 Concentration (mgkg⁻¹) of heavy metals in sliced watermelon fruits purchased from Oja-Oba market

Vendors	Nickel	Chromium	Copper	Lead	Cadmium
A	0.75 ± 0.01^b	0.08 ± 0.01^b	0.09 ± 0.01^ab	0.00 ± 0.00^a	0.00 ± 0.00^a
B	1.20 ± 0.05^c	0.00 ± 0.00^a	0.13 ± 0.03^b	0.00 ± 0.00^a	0.00 ± 0.00^a
C	1.42 ± 0.02^d	0.12 ± 0.02^c	0.10 ± 0.01^ab	0.00 ± 0.00^a	0.00 ± 0.00^a
D	0.32 ± 0.03^a	0.00 ± 0.00^a	0.07 ± 0.01^a	0.00 ± 0.00^a	0.00 ± 0.00^a
E	0.94 ± 0.03^c	0.00 ± 0.00^a	0.07 ± 0.01^a	0.00 ± 0.00^a	0.00 ± 0.00^a
F	0.23 ± 0.01^a	0.10 ± 0.02^bc	0.10 ± 0.02^ab	0.00 ± 0.00^a	0.00 ± 0.00^a
Control	0.27 ± 0.01^a	0.00 ± 0.00^a	0.08 ± 0.01^ab	0.00 ± 0.00^a	0.00 ± 0.00^a

Means having the same alphabet within the column are not significantly different from each other using ANOVA and Duncan’s test at α = 0.05