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Aug 2, 2022 at 20:12 comment added Confused Based on this, though quite rigid in a molecular sense, it seems you could expect xanthan gum's anionic nature to trap some calcium as well and function like citrate, but calcium could just act as a cross-linker and prevent the gum from doing any good. At a pH around 6, the tiny citrate is doubly anionic, which matches the doubly cationic nature of calcium--at pH 8, mostly triply anionic.
Aug 1, 2022 at 22:32 vote accept Confused
Jul 31, 2022 at 2:18 history answered borkymcfood CC BY-SA 4.0