Reed is bromelin, which, ironically, is found in pineapple, his favorite food.
2.
Also, solutions of exogenous proteolytic enzymes ( papain, bromelin or ficin ) can be injected to augment the endogenous enzymes.
3.
It is notable that research published in the 1930s ( primarily by Bergmann ) used the term " catheptic enzymes " to refer to a broad family of proteases that included papain, bromelin, and cathepsin itself.