## 3 Results
### Tests for Surface Disinfection by EN 13697:2015

Table 8: The results of disinfection testing of preparation from _B. pendula_. \begin{table}
\begin{tabular}{l c c c c c c} \hline \hline  & & \multicolumn{6}{c}{**Phase II, Stage II**} \\ \hline \multirow{3}{*}{**Birch Preparation**} & \multirow{3}{*}{**Contact time**} & \multicolumn{2}{c}{_Staphylococcus aureus_ ATCC 15442_} & \multicolumn{2}{c}{_Pseudomonas coli_ ATCC 15442_} & \multicolumn{2}{c}{_Enterococcus_ ATCC 10544_} & \multicolumn{2}{c}{_Candidia_ _ATCC 10231_} \\  & & & **ATCC** & **ATCC** & **ATCC** & **ATCC** & **ATCC** \\ \hline LR/\%R & \multicolumn{2}{c}{_Staphylococcus aureus_ ATCC 15442_} & \multicolumn{2}{c}{_Pseudomonas cerevisiae_ ATCC 15442_} \\  & & & & & & & \\ \hline \multirow{3}{*}{C\({}_{\text{P}}\) = 0.6 g/100 mL} & \multirow{3}{*}{60 \(\pm\) 10 s} & 1.47/ & 1.43/ & 1.46/ & 1.37/ & \textless{}0.41/ & \textless{} \begin{table}
\begin{tabular}{c c c c} \hline \hline  & \multicolumn{3}{c}{**Phase II, Stage II**} \\ \hline
**Birch** & **Contact Time** & _Staphylococcus aureus_ & _Pseudomonas aeruginosa_ \\
**CTC 6538** & **ATCC 15442** \\ \hline \multirow{4}{*}{\(\mathrm{C_{P}=20\,g/100\,mL}\)} & \multirow{4}{*}{**Contact Time**} & \multirow{4}{*}{**\(\mathrm{10^{-0}}\): \(>\)330; \(>\)330} \\  & & \(10^{-1}\): 161; 153 & \(10^{-1}\): 211; 193 \\ \cline{1-1}  & & \(10^{-2}\): \(10\): 9 & \(10^{-2}\): \(11\); 13 \\ \cline{1-1}  & & Nd: 4.20 & Nd: 4.31 \\ \cline{1-1}  & & Nts: \(>\)100 & Nts: \(>\)100 \\ \cline{1-1}  & & R: 2.94 & R: 2.82 \\ \hline \multirow{4}{*}{\(\mathrm{C_{P}=30\,g/100\,mL}\)} & \multirow{4}{*}{**\(\mathrm{10^{-0}}\): \(245,237\)**} & \(10^{-0}\): \(254,269\) \\ \cline{1-1}  & & \(10^{-1}\): 123; 122 & \(10^{-1}\): 172; 181 \\ \cline{1-1}  & & \(10^{-2}\): \(24\): \(91\) & \(10^{-2}\): \(94\); 61 \\ \cline{1-1}  & & Nd: 4.09 & Nd: 4.25 \\ \cline{1-1}  & & Nts: 100 & Nts: 90 \\ \cline{1-1}  & & R: 3.05 & R: 2.88 \\ \hline \multirow{4}{*}{\(\mathrm{C_{P}=40\,g/100\,mL}\)} & \multirow{4}{*}{\(\mathrm{60\pm 10\,s}\)} & \(10^{-0}\): \(115,98\) & \(10^{-0}\): \(138,146\) \\ \cline{1-1}  & & \(10^{-1}\): \(49,58\) & \(10^{-1}\): \(13,11\) \\ \cline{1-1}  & & \(10^{-2}\): \(5,7\) & \(10^{-2}\): \(0,0\) \\ \cline{1-1}  & & Nd: 3.03 & Nd: 3.15 \\ \cline{1-1}  & & Nts: 90 & Nts: 0 \\ \cline{1-1}  & & R: 4.11 & R: 3.98 \\ \hline \multirow{4}{*}{\(\mathrm{C_{P}=50\,g/100\,mL}\)} & \multirow{4}{*}{\(\mathrm{10^{-0}}\): \(74,59\)} & \(10^{-0}\): \(72,83\) \\ \cline{1-1}  & & \(10^{-1}\): \(18,23\) & \(10^{-1}\): \(4,6\) \\ \cline{1-1}  & & \(10^{-2}\): \(0,0\) & \(10^{-2}\): \(0,0\) \\ \cline{1-1}  & & Nd: 2.89 \\ \cline{1-1}  & & Nts: 0 & Nts: 0 \\ \cline{1-1}  & & R: 4.32 & R: 4.24 \\ \hline \multirow{4}{*}{\(\mathrm{C_{P}=60\,g/100\,mL}\)} & \multirow{4}{*}{\(\mathrm{10^{-0}}\): \(8,5\)} & \(10^{-0}\): \(1,2\) \\ \cline{1-1}  & & \(10^{-1}\): \(0,0\) & \(10^{-1}\): \(0,0\) \\ \cline{1-1}  & & \(10^{-2}\): \(0,0\) & \(10^{-2}\): \(0,0\) \\ \cline{1-1}  & & Nd: \(<\)0.10 & Nd: \(<\)0.10 \\ \cline{1-1}  & & Nts: 0 & Nts: 0 \\ \cline{1-1}  & & R: \(>\)7.04 & R: \(>\)7.03 \\ \hline \hline \end{tabular}
\end{table} 
Table 11: The results of disinfection tests of the preparation from _B. pendula_ by the standard EN 13697:2015.