In the second week of September 2008, the Commission was made aware that high levels of melamine were found in infant milk and other milk products in China. (ec.europa.eu)
Specifically, the standards set certain minimum percentages for the use of casein content from liquid milks, as opposed to casein content from other milk products. (dairyreporter.com)
If you're new to lighter cooking, you may not know that even though you can boil cream just fine, the same is not true for other milk products, which will curdle. (cookinglight.com)