更多關于已證實屬于一般公認為安全（GRAS）的可直接加入食品中的物質種類，請點擊美國FDA 21 CFR 第184部分已證實屬于一般公認為安全（GRAS）的可直接加入食品中的物質種類匯總
§ 184.1011 Alginic acid.
（a） Alginic acid is a colloidal, hydrophilic polysaccharide obtained from certain brown algae by alkaline extraction.
（b） The ingredient meets the specifications of the Food Chemicals Codex, 3d Ed. （1981）, p. 13, 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) | Functional use |
| Soup and soup mixes, §170.3(n) (40) of this chapter | Not to exceed current good manufacturing practice | Emulsifier, emulsifier salt, §170.3(o)(8) of this chapter; formulation aid, §170.3(o)(14) of this chapter; stabilizer, thickener, §170.3(o)(28) of this chapter. |
