關於FDA的三聚氰氨標準

還好，網友們將FDA新聞稿給挖了出來，
替我們澄清了被媒體壟斷後的錯誤訊息：

三聚氰氨並非以2.5ppm為下架標準，
而是只要含有三聚氰氨者，一律不准販售。

原文如下：
In food products other than infant formula, the FDA concludes that levels of melamine and melamine-related compounds below 2.5 parts per million (ppm) do not raise concerns. This conclusion assumes a worst case exposure scenario in which 50% of the diet is contaminated at this level, and applies a 10-fold safety factor to the Tolerable Daily Intake (TDI) to account for any uncertainties. The TDI is an estimate of the maximum amount of an agent to which an individual could be exposed on a daily basis over the course of a lifetime without an appreciable health risk.

FDA continues to screen products, collaborate with foreign governments and their regulatory agencies, and monitor reports of contamination from international sources to help ensure that potentially contaminated products from foreign sources are examined if imported into the United States. If products are adulterated because they contain melamine and/or a melamine-related compound, the agency will take appropriate actions to prevent the products from entering commerce.

當然，微量的三聚氰氨似乎早已存在於多數的食物或熱食包裝中，但普遍並不意味著沒有問題，反倒應以進一步排除有毒物質作為我們努力的方向。