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更多关于已证实属于一般公认为安全（GRAS）的可直接加入食品中的物质种类，请点出a href="//www.sqrdapp.com/law/dongtai/172262.html">美国FDA 21 CFR ?84部分已证实属于一般公认为安全（GRAS）的可直接加入食品中的物质种类汇怺/font>
184.1261 Copper sulfate.
（a Copper sulfate （cupric sulfate, CuSO45H2O, CAS Reg. No. 7758C98C7 usually is used in the pentahydrate form. This form occurs as large, deep blue or ultramarine, triclinic crystals; as blue granules, or as a light blue powder. The ingredient is prepared by the reaction of sulfuric acid with cupric oxide or with copper metal.
（b The ingredient must be of a purity suitable for its intended use.
（c In accordance with184.1（b）（1? the ingredient is used in food with no limitation other thancurrent good manufacturing practice. The affirmation of this ingredient as generally recognized as safe （GRAS as a direct human food ingredient is based upon the following current good manufacturing practice conditions of use:
? The ingredient is used as a nutrient supplement as defined in170.3（o）（20 of this chapter and as a processing aid as defined in 170.3（o）（24 of this chapter.
? The ingredient is used in food at levels not to exceed current good manufacturing practice. Copper sulfate may be used in infant formula in accordance with section 412（g of theFederal Food, Drug, and Cosmetic Act（the Act or with regulations promulgated under section 412（a）（2 of the Act.
（d Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[49 FR 24119, June 12, 1984, as amended at 73 FR 8607, Feb. 14, 2008]
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