The acid present in tomatoes (citric acid?) is very dilute and nowhere close to the hydrochloric acid generated in the stomach. So why is she bothered by tomato sauce? Is there an easy way ro neutralize the acid present in tomato products? Vinegar (acetic acid0 doesn’t seem to bother her-why is this? Ditto for apples (malic acid0.
Red sauce gives me heartburn fairly often. The best I have found that seems to have very low acidity is Trader Joe’s marinara. Never had a problem with it.
Found this, FWIW.
She might have a food allergy. Raw vegetables, or their juice, can give me bad stomach cramps.
When I was getting a lot of heart burn, my Doctor instructed me to stay away from Tomatoes among other things. Apparently the acid is enough to screw up the balance if your stomach is already acting up.
Jim