Pineapples bite back

21st March 2003 at 00:00
Ever noticed an intense tingling sensationin your mouth and throat when you eat a pineapple? It's because of bromelain, a digestive enzyme found in pineapples that breaks down protein. The tingling sensation is caused by the cells and tissues of your mouth being "digested" by the pineapple's protein-splitting enzyme. Bromelain is used in meat tenderisers and as a digestive agent and anti-inflammatory in medicine. Experiments that can be conducted with pineapples to show protein being 'digested' in this way can be found in 100

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