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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>
184.1540 Nitrogen.
（a Nitrogen （empirical formula N2, CAS Reg. No. 7727C37C9 is a colorless, odorless, flavorless gas that is produced commercially by the fractionation of liquid air.
（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 limitations 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 propellant, aerating agent, and gas as defined in170.3（o）（25 of this chapter.
? The ingredient is used in food at levels not to exceed current good manufacturing practice.
（d Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[48 FR 57270, Dec. 29, 1983, as amended at 73 FR 8607, Feb. 14, 2008]
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