https://www.waters.com/nextgen/dk/en/library/application-notes/2018/improved-spe-for-lc-ms-determination-of-ractopamine-and-zilpaterol-in-bovine-liver-the-oasis-prime-mcx-method.html
This technology brief demonstrates a simple, rapid, and effective cleanup strategy to remove phospholipids from bovine liver extracts.
improvedspelcmsdetermination
https://www.waters.com/nextgen/pt/pt/library/application-notes/2021/improved-spe-for-lc-ms-determination-of-ractopamine-in-porcine-and-bovine-liver-the-oasis-mcx-method-using-otto-specialis.html
This application brief describes a simple, rapid, and effective cleanup strategy to remove co-extractives from porcine and bovine liver extracts.
improvedspelcmsdetermination
https://nutritionfacts.org/es/video/ractopamine-in-pork/
One in five samples of retail pork tested positive for the growth-promoting drug ractopamine. The latest nutrition research.
ractopamineresiduespork
https://www.foodsafetynews.com/2012/12/fda-petitioned-to-lower-ractopamine-limits-for-meat-review-animal-health-impact/
Animal rights and food safety groups are petitioning the U.S. Food and Drug Administration to immediately lower the allowed residue limits for ractopamine
fdapetitionedlowerractopaminelimits