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，请点击美国FDA 21 CFR 第184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总
§ 184.1563 Ozone.
（a） Ozone （O3, CAS Reg. No. 10028–15–6） is an unstable blue gas with a pungent, characteristic odor, which occurs freely in nature, It is produced commercially by passing electrical discharges or ionizing radiation through air or oxygen.
（b） The ingredient must be of a purity suitable for its intended use in accordance with §170.30（h）（1） of this chapter.
（c） In accordance with §184.1（b）（2）, the ingredient is used to treat food only within the following specific limitations:
| Category of food | Maximum treatment level in food | Functional use |
| Bottled water that prior to ozonation meets the microbiological, physical, chemical, and radiological quality standards of §165.110 (b)(2) through (b)(5) of this chapter | Not to exceed current good manufacturing practice. Current good manufacturing practice results in a maximum residual level at the time of bottling of 0.4 milligram of ozone per liter of bottled water | Antimicrobial agent, §170.3 (o)(2) of this chapter. |
[47 FR 50210, Nov. 5, 1982, as amended at 60 FR 57130, Nov. 13, 1995]
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