更多關(guān)于已證實屬于一般公認(rèn)為安全（GRAS）的可直接加入食品中的物質(zhì)種類，請點擊美國FDA 21 CFR 第184部分已證實屬于一般公認(rèn)為安全（GRAS）的可直接加入食品中的物質(zhì)種類匯總
§ 184.1848 Starter distillate.
?。╝） Starter distillate （butter starter distillate） is a steam distillate of the culture of any or all of the following species of bacteria grown on a medium consisting of skim milk usually fortified with about 0.1 percent citric acid: Streptococcus lactis, S. cremoris, S. lactis subsp. diacetylactis, Leuconostoc citrovorum, and L. dextranicum. The ingredient contains more than 98 percent water, and the remainder is a mixture of butterlike flavor compounds. Diacetyl is the major flavor component, constituting as much as 80 to 90 percent of the mixture of organic flavor compounds. Besides diacetyl, starter distillate contains minor amounts of acetaldehyde, ethyl formate, ethyl acetate, acetone, ethyl alcohol, 2-butanone, acetic acid, and acetoin.
（b） The ingredient must be of a purity suitable for its intended use.
?。╟） 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:
?。?） The ingredient is used as a flavoring agent and adjuvant as defined in §170.3（o）（12） of this chapter.
（2） The ingredient is used in food at levels not to exceed current good manufacturing practice.
?。╠） Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[48 FR 51907, Nov. 15, 1983, as amended at 73 FR 8608, Feb. 14, 2008]
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編輯：foodfagui