The key factors in most good marinades are fat, salt, acid, flavorings, or aromatics, plus time for these to work their magic on the meat. In much the same way as vinegar or lemon juice, the acidic nature of the ginger beer ( Fever-Tree Premium Ginger Beer, for example, has a pH level between 3.0 and 3.5, per findings from McGill University's Office for Science and Society) will tenderize the pork chops by breaking down meat proteins.