## 3 Results and Discussion
### Determination of Nitrogenous Ions, and Chlorides
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Type**} & \multirow{2}{*}{**Chemical Element**} & \multicolumn{4}{c}{**Treatment**} \\ \cline{3-6}  & & **Control** & **KIO\({}_{3}\)** & **8-OH-7-I-5 QSA** & **5-Cl-7-I-8-Q** \\ \hline \multirow{7}{*}{\
\begin{tabular}{} \end{tabular} } & Aluminium (AI) & 42.83 \({}^{\text{b}}\)\(\pm\) 9.47 & 32.58 \({}^{\text{a}}\)\(\pm\) 6.33 & 30.42 \({}^{\text{a}}\)\(\pm\) 3.52 & 23.47 \({}^{\text{a}}\)\(\pm\) 4.27 \\ \cline{2-6}  & Boron (B) & 2.72 \({}^{\text{a}}\)\(\pm\) 0.05 & 2.80 \({}^{\text{a}}\)\(\pm\) 0.53 & 2.42 \({}^{\text{a}}\)\(\pm\) 0.33 & 3.35 \({}^{\text{b}}\)\(\pm\) 0.88 \\ \cline{2-6}  & Copper (Cu) & 8.00 \({}^{\text{a}}\)\(\pm\) 0.61 & 9.38 \({}^{\text{b}}\)\(\pm\) 0.59 & 8.61 \({}^{\text{a}}\)\(\pm\) 0.31 & 8.55 \({}^{\text{a}}\)\(\pm\) 0.42 \\ \cline{2-6}  & Iron (Fe) & 62.35 \({}^{\text{b}}\)\(\pm\) 22.95 & 49.25 \({}^{\text{a}}\)\(\pm\) 11.30 & 41.27 \({}^{\text{a}}\)\(\pm\) 1.88 & 32.81 \({}^{\text{a}}\)\(\pm\) 10.53 \\ \cline{2-6}  & Manganese (Mn) & 8.16 \({}^{\text{a}}\)\(\pm\) 0.74 & 9.48 \({}^{\text{b}}\)\(\pm\) 0.51 & 8.66 \({}^{\text{a}}\)\(\pm\) 0.29 & 8.44 \({}^{\text{a}}\)\(\pm\) 0.33 \\ \cline{2-6}  & Zinc (Zn) & 19.88 \({}^{\text{a}}\)\(\pm\) 1.08 & 25.01 \({}^{\text{b}}\)\(\pm\) 1.76 & 21.92 \({}^{\text{a}}\)\(\pm\) 1.98 & 21.70 \({}^{\text{a}}\)\(\pm\) 1.72 \\ \cline{2-6}  & Molybdenum (Mo) & 0.63 \({}^{\text{b}}\)\(\pm\) 0.11 & 0.49 \({}^{\text{a}}\)\(\pm\) 0.04 & 0.51 \({}^{\text{a}}\)\(\pm\) 0.02 & 0.51 \({}^{\text{a}}\)\(\pm\) 0.03 \\ \hline \multirow{7}{*}{
\begin{tabular}{} \end{tabular} } & Nickel (Ni) & 182.11 \({}^{\text{b}}\)\(\pm\) 43.61 & 129.23 \({}^{\text{a}}\)\(\pm\) 67.69 & 77.12 \({}^{\text{a}}\)\(\pm\) 5.15 & 69.99 \({}^{\text{a}}\)\(\pm\) 4.05 \\  & Silver (Ag) & 5.61 \({}^{\text{b}}\)\(\pm\) 1.54 & 4.21 \({}^{\text{a}}\)\(\pm\) 1.43 & 3.75 \({}^{\text{a}}\)\(\pm\) 0.68 & 2.85 \({}^{\text{a}}\)\(\pm\) 0.41 \\ \cline{1-1} \cline{2-6}  & Arsenic (As) & 31.56 \({}^{\text{a}}\)\(\pm\) 2.67 & 29.60 \({}^{\text{a}}\)\(\pm\) 1.47 & 26.79 \({}^{\text{a}}\)\(\pm\) 3.48 & 22.39 \({}^{\text{a}}\)\(\pm\) 10.72 \\ \cline{1-1} \cline{2-6}  & Cadmium (Cd) & 433.20 \({}^{\text{a}}\)\(\pm\) 16.39 & 426.44 \({}^{\text{a}}\)\(\pm\) 34.73 & 402.21 \({}^{\text{a}}\)\(\pm\) 35.08 & 41.103 \({}^{\text{a}}\)\(\pm\) 27.80 \\ \cline{1-1} \cline{2-6}  & Lead (Pb) & 217.02 \({}^{\text{c}}\)\(\pm\) 19.12 & 144.25 \({}^{\text{b}}\)\(\pm\) 9.21 & 132.11 \({}^{\text{a}}\)\(\pm\) 14.11 & 113.18 \({}^{\text{a}}\)\(\pm\) 22.38 \\ \cline{1-1} \cline{2-6}  & Antimony (Sb) & 8.80 \({}^{\text{b}}\)\(\pm\) 0.35 & 7.20 \({}^{\text{a}}\)\(\pm\) 1.93 & 5.87 \({}^{\text{a}}\)\(\pm\) 0.84 & 5.27 \({}^{\text{a}}\)\(\pm\) 1.53 \\ \cline{1-1} \cline{2-6}  & Thallium (TI) & 3.99 \({}^{\text{b}}\)\(\pm\) 0.26 & 1.96 \({}^{\text{a}}\)\(\pm\) 0.20 & 1.93 \({}^{\text{a}}\)\(\pm\) 0.36 & 1.76 \({}^{\text{a}}\)\(\pm\) 0.41 \\ \hline \hline \end{tabular}  
* Results are shown as mean \(\pm\) standard deviation (SD); \(n=4\); means followed by the same letter are not significantly different (\(p<0.05\)); d.w. dry weight.  
\end{table} 
Table 3: _Cont._ions and increased the content of nitrate(V), in contrast to KIO\({}_{3}\). However, in our study, the nitrate content of the tubers was at a relatively low level, rising from 3.81 after KIO\({}_{3}\) application to 6.43 in the 5-Cl-7-I-8-Q treatment. Nitrate(V) is among the compounds found in food products. The main sources of Nitrate(V) in the daily human diet are vegetables and their preparations, and potatoes. Many factors are considered to influence the nitrate(V) levels, including the species, cultivar, whether the plant is fertilised with nitrogen compounds, the soil and climatic conditions during the growing season, the harvest date, storage conditions and time, and technological processes. Nitrate(V) is not directly harmful to humans or animals, but when it is reduced to nitrate(III), it may pose a health risk.