. 2017 Nov 4;55(1):42–51. doi: 10.1007/s13197-017-2761-y

Table 3.

Mineral composition (micro elements, mg/100 g) of yam chips, flakes and flour from selected markets in South West Nigeria

Samples	Fe	Zn	Co	Mn	Cu
Yam chips
Saki 1	7.61 ± 5.0^a	0.70 ± 0.2^a	0.002 ± 0.001a	0.21 ± 0.03^a	0.32 ± 0.06^bcde
Saki 2	11.49 ± 12.94^a	0.84 ± 0.2^a	0.002 ± 0.003^a	0.16 ± 0.04^a	0.37 ± 0.04^de
Mile12 1	9.37 ± 8.5^a	0.85 ± 0.4^a	0.01 ± 0.00^ab	0.12 ± 0.1a	0.36 ± 0.1^cde
Mile12 2	8.26 ± 5.4^a	0.83 ± 0.5^a	0.007 ± 0.00^ab	0.12 ± 0.03^a	0.33 ± 0.1^bcde
Bodija 1	7.88 ± 4.8^a	0.65 ± 0.1^a	0.005 ± 0.01^ab	0.13 ± 0^a	0.33 ± 0.1^bcde
Bodija 2	5.83 ± 3.1^a	0.82 ± 0.2^a	0.005 ± 0.01^ab	0.11 ± 0.02^a	0.34 ± 0.08^bcde
Yam flakes
Mile12 1	8.70 ± 1.5^a	5.53 ± 2.4^b	0.005 ± 0.01^ab	0.35 ± 0.04^ab	0.27 ± 0.04^abcd
Mile12 2	6.32 ± 3.5^a	2.37 ± 2.6^a	0.004 ± 0.01^ab	0.32 ± 0.15^ab	0.31 ± 0.03^bcde
Bodija 1	11.41 ± 6.6^a	0.91 ± 0.2^a	0.007 ± 0.0^ab	0.45 ± 0.2^abc	0.32 ± 0.1^bcde
Bodija 2	19.63 ± 14.5^a	1.80 ± 0.2^a	0.03 ± 0.04^b	0.92 ± 1.01^c	0.30 ± 0.05^bcde
Yam flour
Mile12 1	11.52 ± 5.8^a	1.55 ± 1.6^a	0.006 ± 0.01^ab	0.45 ± 0.03^abc	0.24 ± 0.1^ab
Mile12 2	60.15 ± 55.8^b	1.22 ± 0.8^a	0.006 ± 0.01^ab	0.79 ± 0.3^bc	0.31 ± 0.1^bcde
Lafenwa 1	13.90 ± 13.6^a	1.56 ± 1.4^a	0.006 ± 0.01^ab	0.38 ± 0.1^ab	0.25 ± 0.02^abc
Lafenwa 2	11.11 ± 5.1^a	0.61 ± 0.14^a	0.011 ± 0.01^ab	0.49 ± 0.2^abc	0.19 ± 0.1^a
Supermarket 1	4.09 ± 0.3^a	0.60 ± 0.133^a	0.008 ± 0.01^ab	0.10 ± 0.1^a	0.39 ± 0.01^e
Supermarket 2	5.92 ± 1.3^a	0.64 ± 0.08^a	0.0003 ± 0.00^a	0.10 ± 0.03^a	0.38 ± 0.1^de

Values are mean ± standard deviations of three measurements of samples collected in 3 batches (n = 3). Different superscript letters within columns are significantly different (p ≤ 0.05)