> >Not only that, but even some very groovy vegetarian type ones (without
MSG) do have hydrolized >vegetable protein, which contains casein.  I
unknowingly fed this to my child for almost a year before I >finally made
the connection of why my soups were making him sick.  UGGHH!  Dale Robin
Lockman

Which plant?, or could it be not casein but gluten (likely derived from
some common grains)?
Gluten and casein are as I understand it almost identical proteins.

-martinf.