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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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Help | More About 21CFR
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER B--FOOD FOR HUMAN CONSUMPTION (CONTINUED)
 
PART 173SECONDARY 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 fromRhizopus niveus.
   § 173.115 - Alpha-acetolactate decarboxylase ([alpha]-ALDC) enzyme preparation derived from a recombinant Bacillus subtilis.
   § 173.120 - Carbohydrase and cellulase derived fromAspergillus niger.
   § 173.130 - Carbohydrase derived fromRhizopus oryzae.
   § 173.135 - Catalase derived fromMicrococcus lysodeikticus.
   § 173.140 - Esterase-lipase derived fromMucor miehei.
   § 173.145 - Alpha-Galactosidase derived fromMortierella vinaceaevar.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.

Authority: 21 U.S.C. 321, 342, 348.
Source: 42 FR 14526, Mar. 15, 1977, unless otherwise noted.

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