{"data":{"id":"us/21-cfr-184.1724","jurisdiction":"us","citation":"21 CFR 184.1724","heading":"Sodium alginate.","body":"(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.\n(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.\n(c) In accordance with § 184.1(b)(2), the ingredient is used in food only within the following specific limitations:\nCategory of food Maximum level of use in food (as served) (percent) Functional use\nCondiments 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.\nPimento ribbon for stuffed olives 6.0 Do.\nConfections and frostings, § 170.3(n)(9) of this chapter 0.3 Stabilizer, thickener, § 170.3(o)(28) of this chapter.\nGelatins 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.\nHard candy, § 170.3(n)(25) of this chapter 10.0 Stabilizer, thickener, § 170.3(o)(28) of this chapter.\nProcessed 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.\nAll 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.\n(d) Prior sanctions for sodium alginate different from the uses established in this section do not exist or have been waived.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 184—DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE","Subpart B—Listing of Specific Substances Affirmed as GRAS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"1cf2e7decc3fbd0dbd6cd314e47d059083c934df5bdd28bdc619eaa46e973c58","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-184.1721","next":"us/21-cfr-184.1733"},"notice":"GroundRules: Original legal text. Not legal advice."}