Figure 2.
LC-MS monitoring of preparation of starting materials from E3-fraction of E. kansui extract. (a) TIC spectrum of E3-fraction in positive mode; (b) TIC spectrum of E3-fraction after deacylation in positive mode;(c) SIM chromatogram (m/z 297) of E3-fraction in positive mode; (d) SIM chromatograms (m/z 297) of E3-fraction after deacylation in positive mode; (e) SIM chromatogram (m/z 313) of E3-fraction in positive mode; (f) SIM chromatogram (m/z 313) of E3-fraction after deacylation in positive mode; (g) SIM chromatogram (m/z 329) of E3-fraction in positive mode; (h) SIM chromatogram (m/z 329) of E3-fraction after deacylation in positive mode.