[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.399]
[Page 53]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 172_FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR
HUMAN CONSUMPTION--Table of Contents
Subpart D_Special Dietary and Nutritional Additives
Sec. 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.
[46 FR 58297, Dec. 1, 1981]