据美国食品药品管理局（FDA）消息，3月18日美国FDA发布《关于牛源性材料用于食品及化妆品终期条例》，禁止部分牛组织材料用于食品、膳食补充剂、化妆品，以降低牛海绵状脑病，也称作疯牛病的风险。这些牛组织材料包括：30月龄及其以上牛的脑、头骨、眼睛、三叉神经节、脊髓、脊柱等，所有牛的扁桃腺和小肠的回肠末端；含回肠末端的小肠；不能走动残疾牛的组织材料；未经检疫牛的组织材料。
部分原文报道如下：
The U.S. Food and Drug Administration today issued a rule finalizing three previously-issued interim final rules designed to further reduce the potential risk of bovine spongiform encephalopathy （BSE）， sometimes referred to as “mad cow disease,” in human food.
The final rule provides definitions for prohibited cattle materials and prohibits their use in human food, dietary supplements, and cosmetics, to address the potential risk of BSE. These materials include:
原文链接：http://www.fda.gov/Food/NewsEvents/ConstituentUpdates/ucm490542.htm
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