21 CFR 173

73, Subpart A: Color additives for direct food contact exempt from batch certification
74, Subpart A: Color additives for direct food contact subject to batch certification
170 Food additives
171 Food additive petitions
172 Food additives permitted for direct addition to food for human consumption
173 Secondary direct food additives permitted in food for human consumption
  PDF 173.5 Acrylate-acrylamide resins.
  PDF 173.10 Modified polyacrylamide resin.
  PDF 173.20 Ion-exchange membranes.
  PDF 173.21 Perfluorinated ion exchange membranes.
  PDF 173.25 Ion-exchange resins.
  PDF 173.40 Molecular sieve resins.
  PDF 173.45 Polymaleic acid and its sodium salt.
  PDF 173.50 Polyvinylpolypyrrolidone.
  PDF 173.55 Polyvinylpyrrolidone.
  PDF 173.60 Dimethylamine-epichlorohydrin copolymer.
  PDF 173.65 Divinylbenzene copolymer.
  PDF 173.70 Chloromethylated aminated styrene-divinylbenzene resin.
  PDF 173.73 Sodium polyacrylate.
  PDF 173.75 Sorbitan monooleate.
  PDF 173.110 Amyloglucosidase derived from Rhizopus niveus.
  PDF 173.115 Alpha-acetolactate decarboxylase (α-ALDC) enzyme preparation derived from a recombinant Bacillus subtilis.
  PDF 173.120 Carbohydrase and cellulase derived from Aspergillus niger.
  PDF 173.130 Carbohydrase derived from Rhizopus oryzae.
  PDF 173.135 Catalase derived from Micrococcus lysodeikticus.
  PDF 173.140 Esterase-lipase derived from Mucor miehei.
  PDF 173.145 Alpha-Galactosidase derived from Mortierella vinaceae var. raffinoseutilizer.
  PDF 173.150 Milk-clotting enzymes, microbial.
  PDF 173.160 Candida guilliermondii.
  PDF 173.165 Candida lipolytica.
  PDF 173.170 Aminoglycoside 3′-phospho&chyph;trans&chyph;ferase II.
  PDF 173.210 Acetone.
  PDF 173.220 1,3-Butylene glycol.
  PDF 173.228 Ethyl acetate.
  PDF 173.230 Ethylene dichloride.
  PDF 173.240 Isopropyl alcohol.
  PDF 173.250 Methyl alcohol residues.
  PDF 173.255 Methylene chloride.
  PDF 173.270 Hexane.
  PDF 173.275 Hydrogenated sperm oil.
  PDF 173.280 Solvent extraction process for citric acid.
  PDF 173.290 Trichloroethylene.
  PDF 173.300 Chlorine dioxide.
  PDF 173.310 Boiler water additives.
  PDF 173.315 Chemicals used in washing or to assist in the peeling of fruits and vegetables.
  PDF 173.320 Chemicals for controlling microorganisms in cane-sugar and beet-sugar mills.
  PDF 173.322 Chemicals used in delinting cottonseed.
  PDF 173.325 Acidified sodium chlorite solutions.
  PDF 173.340 Defoaming agents.
  PDF 173.342 Chlorofluorocarbon 113 and perfluorohexane.
  PDF 173.345 Chloropentafluoroethane.
  PDF 173.350 Combustion product gas.
  PDF 173.355 Dichlorodifluoromethane.
  PDF 173.357 Materials used as fixing agents in the immobilization of enzyme preparations.
  PDF 173.360 Octafluorocyclobutane.
  PDF 173.368 Ozone.
  PDF 173.370 Peroxyacids.
  PDF 173.375 Cetylpyridinium chloride.
  PDF 173.385 Sodium methyl sulfate.
  PDF 173.395 Trifluoromethane sulfonic acid.
  PDF 173.400 Dimethyldialkylammonium chloride.
174 Indirect food additives: General
175 Indirect food additives: Adhesives and components of coatings
176 Indirect food additives: Paper and paperboard components
177 Indirect food additives: Polymers
178 Indirect food additives: Adjuvants, production aids, and sanitizers
179 Irradiation in the production, processing and handling of food
180 Food additives permitted in food or in contact with food on an interim basis pending additional study
181 Prior-sanctioned food ingredients
182 Substances generally recognized as safe
184 Direct food substances affirmed as generally recognized as safe
186 Indirect food substances affirmed as generally recognized as safe
189 Substances prohibited from use in human food
190 Dietary supplements