U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 21Chapter IPart 173Subpart B - Subpart B—Enzyme Preparations and Microorganisms
§ 173.110 - Amyloglucosidase derived from Rhizopus niveus.
§ 173.115 - Alpha-acetolactate decarboxylase (α-ALDC) enzyme preparation derived from a recombinant Bacillus subtilis.
§ 173.120 - Carbohydrase and cellulase derived from Aspergillus niger.
§ 173.130 - Carbohydrase derived from Rhizopus oryzae.
§ 173.135 - Catalase derived from Micrococcus lysodeikticus.
§ 173.140 - Esterase-lipase derived from Mucor miehei.
§ 173.145 - Alpha-Galactosidase derived from Mortierella vinaceae var. raffinoseutilizer.
§ 173.150 - Milk-clotting enzymes, microbial.
§ 173.160 - Candida guilliermondii.
§ 173.165 - Candida lipolytica.
§ 173.170 - Aminoglycoside 3′-phosphotransferase II.
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