Higher-end detergents contain at least three digestive enzymes: amylase to break down starchy stains, protease for proteins, and lipase for greasy stains {not just edible fats but body oils like sebum}. Laundry detergent is essentially a digestive tract in a box. Ditto dishwashing detergent: protease and lipase eat the food your dinner guests didn't. Credit
( Mary Roach )
[ Gulp: Adventures on the ]
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