From: dimitar@pontix.com   
      
   Dear ram,   
      
   you can see the basic iodine reaction (amyloid, dextrenoid) with an iodine   
   tincture   
   if you have a good spore deposit. Put a drop of water as well to make sure   
   you   
   see a good difference, not just something that fools the eye.   
      
   You can take spores from any ascomyscete by laying it down. I rarely see a   
   good   
   spore deposit to see color and even that is not particularly useful.   
      
   90% of these checks make more sense if one can inspect the results   
   microscopically.   
      
           D.   
      
      
      
   "ram"  wrote in message   
   news:1174055205.238302.309790@b75g2000hsg.googlegroups.com...   
   >I was wondering about using "tincture of iodine" in place of Melzer's   
   > reagent for testing whether a  spore print is amyloid.  I would be   
   > examining the colour changes with the naked eye, and without a   
   > microscope.   
   >   
   > I have read  a few places that tincture of iodine can be subsituted   
   > but I have also read that it can "usually" be subsituted.  I wonder in   
   > what case could it or could it not be used?   
   >   
   > anyone?   
   >   
      
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