§ 173.170   Aminoglycoside 3′-phosphotransferase II.

　　The food additive aminoglycoside 3′-phosphotransferase II may be safely used in the development of genetically modified cotton, oilseed rape, and tomatoes in accordance with the following prescribed conditions:

　?。╝） The food additive is the enzyme aminoglycoside 3′-phosphotransferase II （CAS Reg. No. 58943–39–8） which catalyzes the phosphorylation of certain aminoglycoside antibiotics, including kanamycin, neomycin, and gentamicin.

　?。╞） Aminoglycoside 3′-phosphotransferase II is encoded by the kan rgene originally isolated from transposon Tn5of the bacterium Escherichia coli.

　?。╟） The level of the additive does not exceed the amount reasonably required for selection of plant cells carrying the kan rgene along with the genetic material of interest.

　　[59 FR 26711, May 23, 1994]

　　更多關(guān)于美國 FDA 可直接加入食品中的輔助性食品添加劑的種類法規(guī)，請點擊美國FDA 21 CFR 第173部分可直接加入食品中的輔助性食品添加劑種類匯總

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編輯：foodfagui