Profile: American Laboratories, Inc. manufactures and supplies many different types of enzymes. The two types of plant enzymes we offer are bromelain and papain. Both are protease enzymes and are derived from pineapples and papaya. Our product chymotrypsin is a sereine protelolytic enzyme. Our product pepsin is a proteolyitc enzyme product derived from porcine stomach linings. The products processed here are available in both powder and granular from. The diluent used can be lactose.