I'm never eating any kind of fruit bread again.
I had some apple bread and I got some sort of heart burn like reaction...but it wasn't all gross acid liquid coming up feeling. It was just pain. Every time I swallowed I would get consumed with such intense pain in my chest (so bad that I could feel it in my back and lower jaw too) that I couldn't sit still and had to walk it off, howling my agony into the night.
Now I know how Carcaroth felt after he swallowed the silmaril.