The Salt
Originally published on Fri November 9, 2012 7:52 am
If you've ever checked the ingredient list on a PowerBar or a high-protein smoothie, you probably have stumbled across these words: "Whey protein concentrate." You'll find it in a growing number of prepared foods.
This mysterious ingredient is derived from one of the oldest of human foods — milk. But capturing it requires huge factories that look more like oil refineries than farms.
Read more