§ 172.775 Methacrylic acid-pinylbenzene copolymer.
Methacrylic acid-pinylbenzene copolymer may be safely used in food in accordance with the following prescribed conditions:
（a） The additive is produced by the polymerization of methacrylic acid and pinylbenzene. The pinylbenzene functions as a cross-linking agent and constitutes a minimum of 4 percent of the polymer.
（b） Aqueous extractives from the additive do not exceed 2 percent （dry basis） after 24 hours at 25 °C.
（c） The additive is used as a carrier of vitamin B12 in foods for special dietary use.
更多关于美国 FDA 已批准的直接用于人类食品的添加剂种类法规，请点击美国FDA 21 CFR 第172部分已批准的直接用于人类食品的添加剂种类汇总
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