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

　　§ 184.1804   Sodium potassium tartrate.

　?。╝） Sodium potassium tartrate （C4H4KNaO6·4H2O, CAS Reg. No. 304–59–6） is the sodium potassium salt ofl?（+）?tartaric acid and is also called the Rochelle salt. It occurs as colorless crystals or as a white, crystalline powder and has a cooling saline taste. It is obtained as a byproduct of wine manufacture.

　　（b） The ingredient meets the specifications of the Food Chemicals Codex, 3d Ed. （1981）, p. 296, 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.

　?。╟） In accordance with §184.1（b）（1）, the ingredient is used in food with no limitation other than current 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:

　　（1） The ingredient is used as an emulsifier as defined in §170.3（o）（8） of this chapter and as a pH control agent as defined in §170.3（o）（23） of this chapter.

　　（2） The ingredient is used in the following foods at levels not to exceed current good manufacturing practice: cheeses as defined in §170.3（n）（5） of this chapter and jams and jellies as defined in §170.3（n）（28） of this chapter.

　?。╠） Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.

　　[48 FR 52447, Nov. 18, 1983]

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編輯：foodfagui