<samp id="6oesk"><samp id="6oesk"></samp></samp>
<samp id="6oesk"><samp id="6oesk"></samp></samp>
<samp id="6oesk"><menu id="6oesk"></menu></samp>
<optgroup id="6oesk"><xmp id="6oesk">
<small id="6oesk"><xmp id="6oesk">
<xmp id="6oesk">
<menu id="6oesk"><sup id="6oesk"></sup></menu>
<xmp id="6oesk">
<xmp id="6oesk"><menu id="6oesk"></menu>
<xmp id="6oesk">
<code id="6oesk"></code>
<tt id="6oesk"></tt>
客戶端
食品晚九點
國際食品
最新搜索:
 
 
當前位置: 首頁 » 食品資訊 » 外訊導讀 » 美國FDA擬制定一種新的方法測定食品中亞硫酸鹽

美國FDA擬制定一種新的方法測定食品中亞硫酸鹽

放大字體  縮小字體 時間:2019-09-18 10:45 來源:食品伙伴網 作者: 可心   
核心提示:據美國聯邦公報消息,2019年9月17日,美國食品藥品監督管理局(FDA)發布2019-19862號文件,擬制定一種新的方法測定食品中亞硫酸鹽。
  食品伙伴網訊  據美國聯邦公報消息,2019年9月17日,美國食品藥品監督管理局FDA)發布2019-19862號文件,擬制定一種新的方法測定食品中亞硫酸鹽。
 
  據了解,相關意見需在2019年10月17日之前提交。
 
  部分原文報道如下:
 
  Our regulations at §§?101.100(a)(4) and 130.9(a) specify the analytical method that FDA uses for determining sulfite concentrations in food. Both of these regulations establish the method of analysis in two steps. The first step incorporates by reference §§?20.123-20.125, “Total Sulfurous Acid,” in “Official Methods of Analysis of the Association of Official Analytical Chemists,” 14th Ed. (1984); this method is known as the Monier-Williams method. The second step refines the Start Printed Page 48812Monier-Williams method to improve accuracy and reproducibility and make the method suitable for detecting sulfite concentrations as low as 10 ppm; the modifications are included in Appendix A to Part 101. Collectively, the Monier-Williams method with the Appendix A to Part 101 modifications is referred to as the “optimized Monier-Williams method.” After we incorporated by reference the Monier-Williams method and implemented the modifications to that method in Appendix A to Part 101, the AOAC amended the Official Methods of Analysis to include “Official Method 990.28, Optimized Monier-Williams Method,” which is the same as the two-step process in FDA's regulations; i.e, the Monier-Williams method and the refinements to the Monier-Williams method in Appendix A to Part 101. As such, this portion of the proposed rule would modernize our regulations to reflect the citation to the current AOAC method for determining sulfite concentrations in food, but would not result in a change in FDA methodology. We are, therefore, proposing to amend §§?101.100(a)(4) and 130.9(a) to replac the existing incorporation by reference with “AOAC Official Method 990.28, Sulfites in Foods, Optimized Monier-Williams Method,” (Final Action 1994), Section 47.3.43, Official Methods of Analysis of AOAC INTERNATIONAL, 21st Edition (2019), and to remove Appendix A to Part 101.
 
  本文由食品伙伴網食品資訊中心編輯,供網友參考,歡迎轉載,轉載請注明出處!有任何疑問,請聯系news@foodmate.net。
日期:2019-09-18
 
 
[ 食品資訊搜索 ]  [ 加入收藏 ]  [ 告訴好友 ]  [ 打印本文 ]  [ 關閉窗口 ]

 

 
 
行業相關食品資訊
 
地區相關食品資訊
 
推薦圖文
食品伙伴網資訊部  電話:0535-2122172  傳真:0535-2129828   郵箱:news@foodmate.net   QQ:點擊這里給我發消息
魯公網安備 37060202000128號
 
国产免费人人看视频人人,日本丰满少妇高潮呻吟,乌克兰丰满女人A级毛片,东北妇女肥胖BBWBBwBBw ,国产免费无码一区二区视频 日本丰满少妇高潮呻吟| 欧美丰满熟妇XXXX公交车爱爱| 亚洲精品国产精品乱码卡| 成年人在线视频| 国产精品乱码一区二区三区| 国产精品视频无码中出| 国内精品久久久久久久999| 黑人巨大XXXX娇小| 成年网站免费视频a在线双飞| 少妇私密会所按摩到高潮呻吟| 日日摸夜夜爽无码毛片精选| 亚洲综合另类小说色区色噜噜| 高清卡一卡2卡三卡4| 人妻 丝袜美腿 中文字幕| 乌克兰精品无码av毛片| 黑人巨大娇小6一12XXXX | 人妻互换一二三区激情视频| 51精品国产人成在线观看| 少妇仑乱A毛片| 东北妇女精品BBwBBw| 快添捏我奶头我快受不了了动态图| 日日摸夜夜添夜夜添毛片性色av| 亚洲国产AV一区二区三区四区| 乌克兰精品无码av毛片| 国 产 黄 色 A 片 免 费 看| 欧美大片18禁AAA片免费| 亚洲国产精品久久人人爱| 久久999精品久久久久久| 国产免费无码一区二区视频| 国产精品乱码一区二区三区| H高潮娇喘抽搐喷水视频| 大J8黑人BBW巨大888二区| A级A片少妇高潮喷水片| 粉嫩极品国产在线无码网站| 51精品国产人成在线观看| 欧美丰满熟妇XXXX公交车爱爱| 精品日产一卡2卡三卡4卡| 极品尤物旗袍自慰喷白浆|