CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 172—FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION > SUBPART D—Special Dietary and Nutritional Additives (§172.310 to §172.399) > 172.399—Zinc methionine sulfate.

172.399—Zinc methionine sulfate.

Zinc methionine sulfate, CAS Reg. No. 56329-42-1, may be safely used in accordance with the following prescribed conditions:
(a) The additive is the product of the reaction between equimolar amounts of zinc sulfate and DL-methionine in purified water.
(b) The additive meets the following specifications:
Zinc content—19 to 22 percent.
C5H11NO2S “DL-methionine”—46 to 50 percent.
Cadmium—not more than 0.05 part per million.
(c) The additive is used in tablet form as a source of dietary zinc.

Code of Federal Regulations

[46 FR 58297, Dec. 1, 1981]