Fig. 4

Visual appearance of the freeze-dried microgreen kangkong extract microcapsules prepared with different maltodextrin-gum arabic ratios: 60:40 (a), 50:50 (b), 40:60 (c), and 20:80 (d).

Visual appearance of the freeze-dried microgreen kangkong extract microcapsules prepared with different maltodextrin-gum arabic ratios: 60:40 (a), 50:50 (b), 40:60 (c), and 20:80 (d).