[pct-l] Dehydrating/Freeze dried

[Diane Soini of Santa Barbara Hikes]

I think I read somewhere that it is frozen, then heated to stimulate  
the release of water, then frozen again etc etc. They do this very  
quickly using a heated surface and extremely low temperatures.

On Apr 18, 2013, at 10:00 AM, pct-l-request at backcountry.net wrote:

> From: surferskir at aol.com
> Subject: [pct-l] Dehydrating/Freeze dried
> To: pct-l at backcountry.net
>
>
> I am an avid at-home dehydrator.  I love taking different dried  
> foods on the trail.
> However, many of the things that I see in the sporting stores are  
> 'FREEZE DRIED".
>
> How do they freeze dry foods?  What is the process(es)?  Is it  
> something that one could do at home?
>
> --Dennis--