Heavy metal(ppm) |
Control biscuits |
Biscuits -10% KF |
Biscuits -15% KF |
Al |
10.05 ± 2.05 |
31.90 ± 7.92 |
31.90 ± 7.92 |
Be |
0.00 ± 0.00 |
9.05 ± 0.78 |
9.25 ± 0.78 |
Cu |
6.25 ± 0.50 |
5.30 ± 0.00 |
6.55 ± 0.21 |
Fe |
26.45 ± 2.76 |
47.95 ± 1.91 |
231.65 ± 17.04 |
Ni |
0.90 ± 0.57 |
0.85 ± 0.21 |
0.95 ± 0.21 |
Zn |
10.95 ± 3.46 |
231.65 ± 17.04 |
229.70 ± 1.13 |
|
Means ± standard deviation in each raw with the different lowercase superscript letters are significantly different (p<0.05). KF:Kohila Flour. Determination was done in duplicate. |
Table 4: The Heavy Metal Content in Biscuit Samples. |