Table 4 Mean, maximum (Max), minimum (Min) concentration (mg/kg) and standard error (SE) the elements determined in teff grains from three zones of Amhara Region, Ethiopia

234.9 ^a

3164.1^a

1909.5^b

1331.9^b

7.9^b

114.1^a

180.8^b

2.1^a

6.9 ^a

8.1^a

50.5^a

1.3^a

289.6

4850.2

2997.8

1714.7

17.7

337.4

272.2

9.9

15.6

16.7

111.9

4.1

196.6

2116.5

1391.7

1135

0.6

27

94.6

0.1

1.2

4.7

25.5

0

11

379.1

159.3

67.5

2.1

40.1

22.2

1.1

1.6

1.2

9

0.4

203.8 ^a

2452.9 ^a

2231.8 ^b

1338.1 ^b

2.3 ^a

93.9 ^a

241.9 ^b

1.2 ^a

3.1 ^a

5.6 ^a

59.1 ^a

0.6 ^a

248.7

3926.4

2369.1

1949

4.2

178.3

515.5

2.2

5.8

6.1

80.3

1.3

159.8

1746.9

2088.4

951.6

1.4

25.9

138.6

0.3

1.2

5 .00

41.7

0.1

11.6

293.9

43.1

131.9

0.4

21.2

49.5

0.2

0.6

0.2

5.1

0.2

223.6 ^a

2679.7^a

2723.9 ^a

2614.7 ^a

4.6 ^a

223.9^b

662.9 ^a

1.2 ^a

5.2 ^a

5.6 ^a

102.9 ^b

0.3 ^a

291.6

3823.7

3403.1

2985.5

6.3

272.7

900

2.6

7.9

6.6

187.3

1

172.8

1865.3

2087.5

2031.7

3.1

178.9

376.8

0.5

3.7

4.7

62.3

0

18.7

261.1

173.3

121.1

0.4

11.6

63.9

0.27

0.5

0.2

15.5

0.1