§ 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:

　?。╝） The additive is the product of the reaction between equimolar amounts of zinc sulfate and DL-methionine in purified water.

　?。╞） 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]

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