Papain-Catalyzed Hydrolysis of Nα‑Benzoyl–arginine–p‑nitroanilide in an Aqueous–Organic Medium - Jitnapa Sirirak; Poomipat Tamdee; Phanuphong Sawatthitileat; Jiraphon Thaithong; Nichanun Sirasunthorn (ACS Omega)