These alkaloids act as reversible inhibitors of monoamine oxydase (MAO) enzymes, which dissolve DMT during the human intestine. Because of this the alkaloids while in the caapi vine empower orally eaten DMT to remain intact, pass in the bloodstream, and reach the brain.books.google.com/books?id=b_z8CAAAQBAJ&pg=PT117&lpg=PT117&dq=%22one+of+the+simp