Why does eating fresh pineapple make my teeth REALLY sore??
Copied from somewhere in Yahoo Answers: Dietary effects Pineapple contains a proteolytic enzyme bromelain, which digests food by breaking down protein. Pineapple juice can thus be used as a marinade and tenderizer for meat. The enzymes in pineapples can interfere with the preparation of some foods, such as jelly or other gelatin-based desserts. There is significant evidence pointing to the anti-inflamatory benefits of bromelain. Some have claimed that pineapple has benefits for some intestinal disorders while others claim that it helps to induce childbirth when a baby is overdue. These enzymes can be hazardous to someone suffering from certain protein deficiencies or disorders, such as Ehlers-danlos. It can also be used in savory dishes to enhance digestion. Pineapple is a good source of manganese, as well as containing significant amounts of Vitamin C and Vitamin B1. [This might answer your question – the problem probably has to do with the bromelain and your sensitivity to it. Fresh