Fig. 11From: Effect of Lonicera edulis polysaccharide on reducing oral dyeing of lonicera edulis juiceThe effect of pH on the coloring phenomenon The pH values of the polysaccharide group, pectin group, and casein group a–f were 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, respectivelyBack to article page