From: snidelyd@netscape.com   
      
   John Schilling  wrote:   
      
   [...]   
   > It's not that easy, alas.  Not all foods retain everything that used to   
   > make them nutritious and palatable through a freeze/thaw cycle, at least   
   > using known freezing and thawing processes, and I'm not aware of any   
   > successful attempt at providing a healthy long-term diet using only those   
   > foods known to freeze well.   
      
   Vitamins in particular tend to degrade, although some of these can be   
   stored for a couple years in tablet form.  1-A-Day Brand might not be a   
   good choice -- the pill might end up too big to swallow  ;-)   
   >   
   >   
   >> Maintaining the good qualities of those meals but getting rid of the   
   >> water mass, not so easy.   
   >   
   > Getting rid of most of the water would be a plus, but *all* of the known   
   > preservation methods - freezing, canning, dehydrating, and the rest -   
   > have limits.   
      
   Didn't Henry point out that you're going to need the water anyway*?   
   What's the difference between carrying it in the freezer and carrying it   
   in the tank?  The value of dehyrdated foods is in "instant meals" (or   
   snacks), such as cups of soup or noodles, and in suitpacks for short trips   
   away from base camp.   
      
   *water for reconstitution, of course, and also for making ou for ELCSS   
   losses.   
      
   /dps   
      
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