Figure 2

HILIC HPLC chromatogram of cPOS (Top) and cPOS-t (Bottom) at 235 nm. 6,7-dihydromonotropein (a), deacetylasperulsidic acid (b) and monotropein (c).

HILIC HPLC chromatogram of cPOS (Top) and cPOS-t (Bottom) at 235 nm. 6,7-dihydromonotropein (a), deacetylasperulsidic acid (b) and monotropein (c).