On Sun, 15 Jul 2012 13:44:21 +1000, "Farm1" >
wrote:

>Does anyone know how compressed yeast (in a cake form and bought fresh from
>a refrigerated cabinet) is made?
>
>The reason why I am asking is that a lot of the old books dating from the
>19th C and the early 20th C which I own, give recipes that describe boiling
>unpeeled potatoes with hops as a way of making yeast. I am curious if that
>old method of making yeast is/was in any way similar to how modern
>compressed fresh yeast is made.
>
>I've tried doing a google search but failed miserably to turn up anything
>informative ont he subject.
>

Here is the story
http://www.redstaryeast.com/science-...acturing-yeast
Janet US