## 3 Results and Discussion
### Analysis of Phenolic Compounds
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline
**No.** & **Compounds (ppm)** & **[M-H]–(m/z)** & **MS2** & **R\({}_{\text{t}}\) (min)** & **UV-Vis (nm)** & **EBT** & **EBF** & **EPT** & **EFF** \\ \hline
1 & Sagerinic acid isomer & 719 & 359; 197; 135 & 3.1 & 320 & 352.3 & 273.8 & 294.5 & 266.4 \\  & Aromadendrin-6-C-\(\beta\)-D- & & & & & & & & \\
2 & glucopyranosyl-7-O-[\(\beta\)-D- & & & & & & & & & \\  & apiofuranosyl-(1\(\rightarrow\)2)]-O-\(\beta\)- & 743 & 371; 209 & 4.2 & 320 & 453.6 & 415.0 & 317.7 & 325.1 \\  & Dglucopyranoside & 367 & 367; 190 & 4.8 & 320 & 235.4 & 233.0 & 197.8 & 189.7 \\  & Aromadendrin-6-C-\(\beta\)-D- & & & & & & & & \\  & glucopyranosyl-7-O-[\(\beta\)-D- & & & & & & & & \\  & apiofuranosyl-(1\(\rightarrow\)2)]-O-\(\beta\)- & 743 & 371; 209 & 5.3 & 320 & 682.1 & 622.2 & 405.6 & 437.9 \\  & Dglucopyranoside & 385 & 367; 223; 129 & 5.7 & 320 & 147.8 & 143.5 & 270.6 & 350.7 \\  & 4-Feruloyl-5-caffeoylquinic acid & 367 & 367; 190 & 6.1 & 320 & 406.9 & 365.2 & 228.6 & 317.1 \\  & Dimeric caffeoylquinic acid & 707 & 353; 190 & 6.6 & 320 & 2169.2 & 1929.9 & 752.8 & 1093.0 \\  & w unknown metabolite & 771 & 385 & 7.8 & 320 & 497.1 & 425.8 & 481.2 & 818.8 \\  & Galloyl paenofilorin & 399 & 380; 205; 129 & 8.1 & 320 & 208.3 & 183.8 & n.d. & 189.5 \\  & Apigenin-6.8-di-C-glycos & 593 & 575; 503; 473; & & & & & & \\  & 593 & 383; 352; 297 & & & & & & & \\  & Quercetin-3-O-glucosyltrutinoside & 771 & 625; 447; 301 & 8.8 & 360 & n.d. & n.d. & 278.0 & 111.1 \\  & Acetyl-diferuloyl sucrose & 735 & 367; 190 & 9.2 & 320 & 858.8 & 738.4 & 218.4 & 540.0 \\  & Kaempfer-O-r- rhamnoside & 755 & 575; 489; 393; & & & & & & \\  & & 327; 285 & & & & & & & \\  & kaempfer1 3-O-(2\({}^{\prime\prime}\)-O- & & & & & & & & \\  & hexosyl]hexoside-7-O-r-thranmoside & 755 & 609, 285 & 9.7 & 360 & n.d. & n.d. & 226.2 & 164.2 \\  & Kaempfer-rutinoside/Kaempfer & 593 & 447; 285 & 10.5 & 360 & 375.7 & 339.8 & 122.7 & 90.6 \\  & Quercetin-3-O-hexoside-7-O- & 609 & 447; 301 & 10.8 & 360 & 241.3 & 116.0 & 604.4 & 1092.7 \\  & Latocell hexoside & & & & & & & & & \\  & hexoside/Quercetin & 609 & 343; 301 & 10.9 & 360 & 308.0 & 186.4 & 190.4 & 545.6 \\  & 3-O-(6\({}^{\prime\prime}\)-O-r-hramosyl)glucose & (Rutin) & & & & & & & & \\  & Kaempfer 3,7-di-O-hexoside & 609 & 285 & 11 & 360 & n.d. & n.d. & 473.4 & n.d. \\
1 & Catelcin dimer & 579 & 289; 245; 203 & 11.3 & 360 & n.d. & n.d. & 248.4 & 178.4 \\  & Kaempfer derivative & 635 & 489; 431; 285 & 11.4 & 360 & 417.5 & 397.9 & n.d. & n.d. \\  & Kaempfer-r-hamnose- & 739 & 593; 431; 285 & 11.8 & 360 & n.d. & n.d. & 378.3 & 782.2 \\  & Hammose & 521 & 359; 197 & 12.4 & 320 & 275.8 & n.d. & 327.9 & 395.6 \\  & Kaempfer-rutinoside/Luteolin-7- & & & & & & & & & \\  & O-rutinoside & 593 & 285 & 12.9 & 360 & n.d. & n.d. & n.d. \\
2 & Ellagic acid-O-deoxyhexoside & 447 & 301 & 13 & 360 & 342.1 & 329.0 & 424.5 & 555.2 \\  & Kaempfer derivative & 781 & 635; 593; 431; & & & & & & & \\  & 1,4-di-O-caffeoylquinic acid & 515 & 353; 299; 255; & & & & & & \\  & acid/3,5-Di-O-caffeoylquinic acid & 173 & 14.1 & 320 & 246.1 & 171.8 & n.d. & n.d. \\
2 & Kaempfer-O-3-O-caffeoylhexoside & 489 & 285 & 14.4 & 360 & 180.6 & 165.6 & 242.8 & 232.7 \\  & Sagerinic acid isomer & 719 & 359 & 14.8 & 320 & 3093.9 & 3890.2 & 185.2 & 791.5 \\
2 & Rosmarinic acid glucuronide & 535 & 359; 197 & 14.9 & 320 & 221.8 & 165.3 & 135.6 & 217.1 \\
3 & Kaempfer-3-O-hammoside & 431 & 285 & 15 & 360 & n.d. & n.d. & n.d. \\
3 & Methylellagic acid acetyl hexocyte & 519 & 315; 357 & 15.1 & 360 & 201.4 & 379.9 & n.d. \\
3 & unknown metabolite & 747 & 373 & 17.9 & 360 & 610.6 & 163.2 & n.d. & n.d. \\
3 & Kaempfer-5-O-mhamoside & 431 & 285 & 18.6 & 360 & n.d. & n.d. & n.d. \\
3 & Kaempfer-r-hamnose-hexose- & 739 & 593; 435; 285 & 23.3 & 360 & 256.6 & 126.7 & n.d. & 463.3 \\  & Hammose & & & & & & & & & \\ \hline \hline \end{tabular}
* EBF: _E. billardieri_ flowers; EBT: _E. billardieri_ thorns; EPF: _E. planning_ flowers; EPT: _E. planning_ thoms; R\({}_{\text{t}}\) = Retention time; n.d.: not detected.  
\end{table}