... 4.White or almost white crystalline powder Trypsin-Chymotrypsin 1000 compare to 1000Source Porcine (Bovine) pancreasGeneral descriptionTrypsin-Chymotrypsin ... .0Microbial limits Pseudomonas aeruginosaAbsentUSP33Salmonella AbsentUSP33Staphylococcus aureusAbsentUSP33E ColiAbsentUSP33AssayTrypsin 1000~1100USP units/mg powderChymotrypsin 1000~1100USPunits/mg powderEnterprise standardStorage Sealed, Dark, ...