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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 21 - Food and Drugs |
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Chapter I - Food and Drug Administration, Department of Health and Human Services |
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SubChapter B - Food for Human Consumption |
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Part 173 - Secondary Direct Food Additives Permitted in Food for Human Consumption |
| Subpart A - Polymer Substances and Polymer Adjuvants for Food Treatment |
| § 173.5 - Acrylate-acrylamide resins. |
| § 173.10 - Modified polyacrylamide resin. |
| § 173.20 - Ion-exchange membranes. |
| § 173.21 - Perfluorinated ion exchange membranes. |
| § 173.25 - Ion-exchange resins. |
| § 173.40 - Molecular sieve resins. |
| § 173.45 - Polymaleic acid and its sodium salt. |
| § 173.50 - Polyvinylpolypyrrolidone. |
| § 173.55 - Polyvinylpyrrolidone. |
| § 173.60 - Dimethylamine-epichlorohydrin copolymer. |
| § 173.65 - Divinylbenzene copolymer. |
| § 173.70 - Chloromethylated aminated styrene-divinylbenzene resin. |
| § 173.73 - Sodium polyacrylate. |
| § 173.75 - Sorbitan monooleate. |
| Subpart B - Enzyme Preparations and Microorganisms |
| § 173.110 - Amyloglucosidase derived from Rhizopus niveus. |
| § 173.115 - Alpha-acetolactate decarboxylase (a-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. |
| Subpart C - Solvents, Lubricants, Release Agents and Related Substances |
| § 173.210 - Acetone. |
| § 173.220 - 1,3-Butylene glycol. |
| § 173.228 - Ethyl acetate. |
| § 173.230 - Ethylene dichloride. |
| § 173.240 - Isopropyl alcohol. |
| § 173.250 - Methyl alcohol residues. |
| § 173.255 - Methylene chloride. |
| § 173.270 - Hexane. |
| § 173.275 - Hydrogenated sperm oil. |
| § 173.280 - Solvent extraction process for citric acid. |
| § 173.290 - Trichloroethylene. |
| Subpart D - Specific Usage Additives |
| § 173.300 - Chlorine dioxide. |
| § 173.310 - Boiler water additives. |
| § 173.315 - Chemicals used in washing or to assist in the peeling of fruits and vegetables. |
| § 173.320 - Chemicals for controlling microorganisms in cane-sugar and beet-sugar mills. |
| § 173.322 - Chemicals used in delinting cottonseed. |
| § 173.325 - Acidified sodium chlorite solutions. |
| § 173.340 - Defoaming agents. |
| § 173.342 - Chlorofluorocarbon 113 and perfluorohexane. |
| § 173.345 - Chloropentafluoroethane. |
| § 173.350 - Combustion product gas. |
| § 173.355 - Dichlorodifluoromethane. |
| § 173.356 - Hydrogen peroxide. |
| § 173.357 - Materials used as fixing agents in the immobilization of enzyme preparations. |
| § 173.360 - Octafluorocyclobutane. |
| § 173.368 - Ozone. |
| § 173.370 - Peroxyacids. |
| § 173.375 - Cetylpyridinium chloride. |
| § 173.385 - Sodium methyl sulfate. |
| § 173.395 - Trifluoromethane sulfonic acid. |
| § 173.400 - Dimethyldialkylammonium chloride. |
| § 173.405 - Sodium dodecylbenzenesulfonate. |