As soon as we eat something, the liver and pancreas begin to produce these juices and deliver them to the papilla. These juices contain the same agents as the laundry detergent and dish soap you can buy from any supermarket: digestive enzymes and fat solvents. Laundry detergent is effective in removing stains because it “digests out” any fatty, protein-rich, or sugary substances from your laundry, with a little help from the movement of the washing-machine drum, leaving these substances free to be rinsed down the drain with the dirty water.
