The enzymes in tenderizing powder denature the proteins in the meat, weakening the bonds that hold the muscle fibers together. That reduces the shear force required to cut or chew the meat, or, to put it another way, it makes the meat tenderer.
The enzymes in tenderizing powder denature the proteins in the meat, weakening the bonds that hold the muscle fibers together. That reduces the shear force required to cut or chew the meat, or, to put it another way, it makes the meat tenderer.