David, I'm sure you will learn promptly that a lot of fruits have acid in them. Bananas, Oranges & their cousin grapefruits, Apples plus a couple more and most of the fruit and veggie juices. Good luck with that tongue today.

Since posting this. UPMC, Pittsburgh, Oct 2011 until Jan. I averaged about 2 to 3 surgeries a week there. w Can't have jaw made as bone is deteroriating steaily that is left in jaw. Mersa is to blame. Feeding tube . Had trach for 4mos. Got it out April.
--- Passed away 5/14/14, will be greatly missed by everyone here