Ascorbic acid (vit. C synthetic)
Yeast / Yeast
Caution
May cause symptoms in more sensitive people. Track your own reaction.
Live yeast is a powerful histamine liberator. Yeast cells stimulate mast cells to release histamine. Fresh yeast in the dough is problematic - well-baked bread is slightly better tolerated.
Safer alternatives
Suitable
cornstarch
Low in histamine, usually well tolerated.emulsifier (E 471)