Figure 3

The UPLC-PDA coupled with HR-QTOF ESI-MS analysis. Different epothilone A glycosides presenting their respective mass in reference to the aglycon mass [EpoA + H]⁺m/z⁺ ~ 494.2576 are as follows: (A) Epothilone A 7-O-β-D-glucoside [EpoA_Glc + H]⁺ m/z⁺ ~ 656.3079, (B) Epothilone A 7-O-β-D-2-deoxyglucoside [EpoA_2-deoxyglc + H]⁺m/z⁺ ~ 640.3226, (C) Epothilone A 7-O-β-D-galactoside [EpoA_Gal + H]⁺m/z⁺ ~ 656.3265, (D) Epothilone A 3, 7-O-β-D-digalactoside [EpoA_Digal + H]⁺m/z⁺ ~ 818.3639, (E), Epothilone A 7-O-β-D-fucoside [EpoA_fuc + H]⁺m/z⁺ ~ 640.3170 and (F) Epothilone A 7-O-β-D-rhamnoside [EpoA_rhm + H]⁺m/z⁺ ~ 640.3147.