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§173.70 食品添加劑氟甲基化胺基化苯乙烯-二乙烯苯樹脂(Chloromethylated aminated styrene-divinylbenzene resin)

   2011-07-11 中國食品網(wǎng)中食網(wǎng)12010

  § 173.70   Chloromethylated aminated styrene-pinylbenzene resin.

  Chloromethylated aminated styrene-pinylbenzene copolymer (CAS Reg. No. 60177–39–1) may be safely used in food in accordance with the following prescribed conditions:

  (a) The additive is an aqueous dispersion of styrene-pinylbenzene copolymers, first chloromethylated then aminated with trimethylamine, having an average particle size of not more than 2.0 microns.

 ?。╞) The additive shall contain no more than 3.0 percent nonvolatile, soluble extractives when tested as follows: One hundred grams of the additive is centrifuged at 17,000 r/min for 2 hours. The resulting clear supernatant is removed from the compacted solids and concentrated to approximately 10 grams on a steam bath. The 10-gram sample is again centrifuged at 17,000 r/min for 2 hours to remove any residual insoluble material. The supernatant from the second centrifugation is then removed from any compacted solids and dried to constant residual weight using a steam bath. The percent nonvolatile solubles is obtained by piding the weight of the dried residue by the weight of the solids in the original resin dispersion.

 ?。╟) The additive is used as a decolorizing and clarification agent for treatment of refinery sugar liquors and juices at levels not to exceed 500 parts of additive solids per million parts of sugar solids.

  [50 FR 29209, July 18, 1985]

  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(diǎn)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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