Jean-Louis Tu <[log in to unmask]> wrote:

>It's interesting that he doesn't shuns
>out butter, whereas some people avoid dairy products by principle: butter
>as, as far as I know, no inconvenients (no lactose, no casein).

Butter has both lactose and casein. It is low in both, but not free of
them. The dairy product that theoretically is free of them is ghee, or
clarified butter, which you can do yourself. Somewhere around here I have
insructions on how to clarify butter.

Don.