§172.399 食品添加剂硫酸锌蛋氨�?Zinc methionine sulfate)

　　�� 172.399 Zinc methionine sulfate.

　　Zinc methionine sulfate, CAS Reg. No. 56329�C42�C1, 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]

　　更多关于美国 FDA 已批准的直接用于人类食品的添加剂种类法规，请点击美国FDA 21 CFR �?72部分已批准的直接用于人类食品的添加剂种类汇怺�/a>