>
> >Benz or Butyric are in what commercial products?


Jamie, benzaldehyde is the odorant in fresh peach leaf buds, oil of
almonds, amaretto liqueur, and almond cookies.  I just checked and find
that it is no longer readily available, perhaps because it can be used as a
precursor in the manufacture of an illicit drug.  Bummer!

Butyric acid, or its precursor, butyric anhydride are still sold, sometimes
with a masking scent.  Butyric acid is the odorant in rancid butter and
aged cheeses--folk with less refined taste may find the odor disagreeable.

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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