Table 1. Metabolites of IBP in P. australis Were Tentatively Identified by Mass Spectrometry.
| tissues |
liquid
phase |
||||||
|---|---|---|---|---|---|---|---|
| metabolism | enzyme | selected intermediates | formula | roots and rhizomes | stem and leaves | treated groups | blank groups |
| phase I | P450 | hydroxy-IBP | C13H18O3 | √ | √ | √ | √ |
| 1,2-dihydroxy-IBP | C13H18O4 | √ | √ | √ | √ | ||
| carboxy-IBP | C13H16O4 | √ | ND | ND | ND | ||
| phase II | GT | glucopyranosyloxy-IBP | C19H28O7 | ND | ND | ND | ND |
| glucopyranosyloxy-hydroxy-IBP | C19H28O8 | √ | ND | ND | ND | ||
| glucopyranosyloxy-carboxy-IBP | C19H27O10 | ND | ND | ND | ND | ||
| GST | IBP-glutathione conjugate | C23H33N3O8S | ND | ND | ND | ND | |