Fig. 1.

Physicochemical properties of MOLP and DMOLPs (A). A schematic diagram of the sample preparation procedure; (B). Changes in the colour of MOLP and DMOLP-3 induced by UV/H₂O₂ treatment; (C). Changes in the solubility of MOLP induced by UV/H₂O₂ treatment; (D). Changes in the solubilities of DMOLP-3 induced by UV/H₂O₂ treatment; (E). Changes in the pH of MOLP and DMOLP-3 induced by UV/H₂O₂ treatment; (F). Changes in the ultraviolet spectrum of MOLP and DMOLP-3 induced by UV/H₂O₂ treatment; (G). The phenol content of MOLP and DMOLP-3.