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更多關于美國 FDA 21 CFR 第 73 部分的內容，請詳見美國FDA 21 CFR 第73部分關于免除產品證書的食品用著色劑種類匯總
§ 73.315 Corn endosperm oil.
?。╝） Identity. （1） The color additive corn endosperm oil is a reddish-brown liquid composed chiefly of glycerides, fatty acids, sitosterols, and carotenoid pigments obtained by isopropyl alcohol and hexane extraction from the gluten fraction of yellow corn grain. The definition of corn endosperm oil in this paragraph is for the purpose of definition as a color additive only and shall not be construed as a food standard of identity under section 401 of the act.
（2） Color additive mixtures for food use made with corn endosperm oil may contain only those diluents listed in this subpart as safe and suitable in color additive mixtures for coloring foods.
?。╞） Specifications. Corn endosperm oil conforms to the following specifications:
Total fatty acids, not less than 85 percent.
Iodine value, 118 to 134.
Saponification value, 165 to 185.
Unsaponifiable matter, not more than 14 percent.
Hexane, not more than 25 narts per millimn.
Isopropyl alcohol, not more than 100 parts per million.
?。╟） Uses and restrictions. The color additive corn endosperm oil may be safely used in chicken feed in accordance with the following prescribed conditions:
（1） The color additive is used to enhance the yellow color of chicken skin and eggs.
?。?） The quantity of the color additive incorporated in the feed is such that the finished feed is supplemented sufficiently with xanthophyll and associated carotenoids so as to accomplish the intended effect described in paragraph （c）（1） of this section.
（d） Labeling requirements. The label of the color additive and any premixes prepared therefrom shall bear, in addition to the information required by §70.25 of this chapter, a statement of the concentration of xanthophyll contained therein.
?。╡） Exemption from certification. Certification of this color additive is not necessary for the protection of the public health, and therefore batches thereof are exempt from the certification requirements of section 721（c） of the act.
§73.315 玉米胚乳油
（a）特性：
?。?）玉米胚乳油系紅棕色液體，其主要組成為各種甘油酯、脂肪酸、谷甾醇和類胡蘿卜素色素，它是由黃玉米粒的谷蛋白部分用異丙醇和己烷提取而得。本欄所指的玉米胚乳油僅供著色劑使用，不同于法規(guī)第401節(jié)中所指的。
?。?）用玉米胚乳油配制成的食用著色劑混合物，只能選用本分部所列的可安全和適用于食品著色的著色劑混合物稀釋劑。
（b）質量規(guī)格：玉米胚乳油應符合下列質量指標：
總脂肪酸，不低于85%。
碘值，118～134。
皂化值，165～185。
不皂化物，不超過14%。
己烷，不超過25mg/kg。
異丙醇，不超過100mg/kg。
?。╟）使用和限制條件：著色劑玉米胚乳油可安全地用于雞飼料，但應符合下列規(guī)定條件：
?。?）本著色劑用做加深雞皮和雞蛋的黃色。
?。?）這種著色劑在飼料中的用量，是作為葉黃素和類胡蘿卜素的增補料，使飼料成品能達到本節(jié)（c）（1）規(guī)定的效果。
（d）標簽標注方式：本著色劑和任何混有本著色劑的預混合物，其標簽除本章§70.25中所需標明的資料外，還應標明其中所含葉黃素的濃度。
（e）免除產品證書：本著色劑免除產品證書以保護公眾健康。所生產的每一批產品也免除按法規(guī)§721（c）中所規(guī)定需要產品證書。
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編輯：foodfagui