It's hard to imagine a world without chocolate milk, rocky road ice cream or double-fudge sundaes. But if present trends continue, cacao trees (Theobroma cacao), the source of cocoa and, ultimately, chocolate, could become extinct by midcentury.
Acid whey disposal used to be an issue. A ‘natural’ blue color wasn’t available. And dairy processors want to reduce sugars. Suppliers developed solutions to all of these concerns.