Fig. 2

Structural characterization of ASPS-A1. (A) Molecular weight diagram of ASPS-A1; (B) ASPS-A1 monosaccharide composition diagram; (C) Infrared spectrogram of ASPS-A1; (D) Ultraviolet spectrogram of ASPS-A1; (E) Electron microscope image of ASPS-A1; (F) HPGPC assay of ASPS-A1; (G) HPGPC assay of ASPS-A1 after deesterification.