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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
§ 184.1724 Sodium alginate.
（a） Sodium alginate （CAS Reg. No. 9005–38–3） is the sodium salt of alginic acid, a natural polyuronide constituent of certain brown algae. Sodium alginate is prepared by the neutralization of purified alginic acid with appropriate pH control agents.
（b） The ingredient meets the specifications of the Food Chemicals Codex, 3d Ed. （1981）, p. 274, which is incorporated by reference. Copies are available from the National Academy Press, 2101 Constitution Ave. NW., Washington, DC 20418, or available for inspection at the National Archives and Records Administration （NARA）. For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
（c） In accordance with §184.1（b）（2）, the ingredient is used in food only within the following specific limitations:
| Category of food | Maximum level of use in food (as served) (percent) | Functional use |
| Condiments and relishes, §170.3(n)(8) of this chapter, except pimento ribbon for stuffed olives | 1.0 | Texturizer, §170.3(o)(32) of this chapter, formulation aid §170.3(o)(14) of this chapter, stabilizer, thickener, §170.3(o)(28) of this chapter. |
| Pimento ribbon for stuffed olives | 6.0 | Do. |
| Confections and frostings, §170.3(n)(9) of this chapter | 0.3 | Stabilizer, thickener, §170.3(o)(28) of this chapter. |
| Gelatins and puddings, §170.3(n)(22) of this chapter | 4.0 | Firming agent, §170.3(o)(10) of this chapter; flavor adjuvant, §170.3(o)(12) of this chapter; stabilizer, thickener, §170.3(o)(28) of this chapter. |
| Hard candy, §170.3(n)(25) of this chapter | 10.0 | Stabilizer, thickener, §170.3(o)(28) of this chapter. |
| Processed fruits and fruit juices, §170.3(n)(35) of this chapter | 2.0 | Formulation aid, §170.3(o)(14) of this chapter; texturizer, §170.3(o)(32) of this chapter. |
| All other food categories | 1.0 | Emulsifier, §170.3(o)(8) of this chapter; firming agent, §170.3(o)(10) of this chapter; flavor enhancer, §170.3(o)(11) of this chapter; flavor adjuvant, §170.3(o)(12) of this chapter; processing aid, §170.3(o)(24) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter; surface active agent, §170.3(o)(29) of this chapter. |
（d） Prior sanctions for sodium alginate different from the uses established in this section do not exist or have been waived.
[47 FR 29951, July 9, 1982, as amended at 48 FR 52448, Nov. 18, 1983]
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