# The Effect of Selected Herbal Extracts on Lactic Acid Bacteria Activity
## 3 Results
### Qualitative Analysis of Plant Extracts

Table 8: Compounds identified in the ribwort plantain (_Plantago lancelata_ L.) extract using UHPLC-QTOF-MS/MS. Compound numbers correspond to those indicated in Figure 2.  
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Peak** & \begin{tabular}{c} **RT** \\ **[min]** \\ \end{tabular}  & \begin{tabular}{c} **Molecular Ion** \\ **[M-H]\({}^{-}\)** \\ \end{tabular}  & \begin{tabular}{c} **Ion** \\ **Mode** \\ \end{tabular}  & \ \begin{tabular}{c} **MS/MS** \\ **Fragments** \\ \end{tabular}  & **Formula** & \begin{tabular}{c} **Error** \\ **[ppm]** \\ \end{tabular}  & **mSigma** & **Tentative Identification** \\ \hline
1 & 1.4 & 326.1246 & - & \ \begin{tabular}{c} 164(100), 236(26), \\ 147(20) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{15}\)H\({}_{20}\)NO\({}_{7}\) \\ \end{tabular}  & \(-0.2\) & 16.1 & phenylalanyl-hexoside \\ \hline
2 & 2.5 & 417.1043 & - & 417(100), 152(8) & \begin{tabular}{c} C\({}_{17}\)H\({}_{21}\)O\({}_{12}\) \\ \end{tabular}  & \(-1.0\) & 4.6 & gentisic acid-dipentoside \\ \hline
3 & 2.8 & \begin{tabular}{c} 179.0357 \\ 361.0966 \\ \end{tabular}  & - & \ \begin{tabular}{c} 179(100), 135(62) \\ 361(100), 281(13), \\ 171(7) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{9}\)H\({}_{7}\)O\({}_{4}\) \\ \end{tabular}  & \(-4.1\) & 41.7 & caffeic acid \\ \hline
4 & 3.5 & 227.0568 & - & \ \begin{tabular}{c} 227(100), 139(22), \\ 165(9) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{10}\)H\({}_{11}\)O\({}_{6}\) \\ \end{tabular}  & \(-3.1\) & 9.2 & unidentified \\ \hline
5 & 3.7 & 623.0037 & - & \ \begin{tabular}{c} C\({}_{17}\)H\({}_{9}\)O\({}_{23}\)S \\ 178(36), 191(10) \\ \end{tabular}  & \begin{tabular}{c} 1.0 \\ C\({}_{10}\)H\({}_{9}\)O\({}_{4}\) \\ \end{tabular}  & 8.3 & 9.7 & scopoletin isomer \\ \hline
7 & 5.2 & 425.0562 & - & \ \begin{tabular}{c} 425(100), 297(88), \\ 315(86), 241(75), \\ 327(73) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{14}\)H\({}_{17}\)O\({}_{15}\) \\ \end{tabular}  & 2.5 & 38.1 & unidentified \\ \hline
8 & 5.9 & 636.9843 & - & \begin{tabular}{c} C\({}_{17}\)H\({}_{16}\)O\({}_{24}\)S \\ \end{tabular}  & \(-1.7\) & 12.3 & flavonoid sulfo-glycoside \\ \hline
9 & 6.1 & 733.0950 & - & \begin{tabular}{c} C\({}_{28}\)H\({}_{29}\)O\({}_{21}\)S \\ \end{tabular}  & \(-3.1\) & 37.4 & flavonoid sulfo-glycoside \\ \hline
10 & 6.3 & 541.0317 & - & \ \begin{tabular}{c} 254(100), 285(33), \\ 175(9) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{21}\)H\({}_{17}\)O\({}_{15}\)S \\ \end{tabular}  & \(-4.3\) & 12.5 & theograndin I isomer \\ \hline
11 & 6.4 & 433.1521 & - & \ \begin{tabular}{c} 433(100), 403(86), \\ 311(76), 299(58) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{22}\)H\({}_{25}\)O\({}_{9}\) \\ \end{tabular}  & \(-3.9\) & 5.5 & unidentified \\ \hline
12 & 6.7 & 527.0522 & - & \ \begin{tabular}{c} 285(100), 527(4), \\ 213(4), 447(4) \\ 301(100), 371(25), \\ 299(24), 459(22) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{21}\)H\({}_{9}\)O\({}_{14}\)S \\ \end{tabular}  & \(-4.1\) & 40.7 & unidentified \\ \hline
13 & 7.2 & 524.2881 & - & \ \begin{tabular}{c} 524(100), 362(50) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{27}\)H\({}_{29}\)NO\({}_{9}\) \\ \end{tabular}  & \(-3.1\) & 25.3 & unidentified \\ \hline
14 & 7.3 & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} \\ \hline
15 & 7.6 & 557.0266 & - & \ \begin{tabular}{c} 301(100), 254(77), \\ 315(58), 271(42) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{21}\)H\({}_{17}\)O\({}_{16}\)S \\ \end{tabular}  & \(-4.2\) & 21.0 & theograndin II isomer \\ \hline
16 & 8.5 & 555.0464 & \begin{tabular}{c} 254(100), 284(30), \\ 299(24), 175(7) \\ \end{tabular}  & \ \begin{tabular}{c} C\({}_{22}\)H\({}_{9}\)O\({}_{15}\)S \\ \end{tabular}  & \(-2.5\) & 9.6 & \begin{tabular}{c} flavonoid sulfo-oxyhexoside \\ \end{tabular}  \\ \hline
17 & 8.9 & 541.0672 & - & \ \begin{tabular}{c} 299(100), 284(68), \\ 461(6) \\ \end{tabular}  & \begin{tabular}{c} C\({}_{22}\)H\({}_{21}\)O\({}_{4}\)S \\ \end{tabular}