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美国齐格拉(Zeglar)兄弟有限公司最近宣布,该公司已获得美国食品和药物管理局的许可,在其生产的颗粒饲料中使用一种名为AsPP的维生素C。这种维生素C的结构比较稳定,不容易
The United States Zeglar Brothers Ltd. recently announced that it has obtained permission from the U.S. Food and Drug Administration to use a vitamin C called AsPP in its pellet feed. The structure of this vitamin C is relatively stable, not easy