"Rob A" > wrote in message
...
> Hello, I've been ghosting this list for several months now and thought I
> should say Hi. Hello!
>
> Light of short wavelengths ie blue, violet, and UV have the ability to
> dislodge electrons from atoms and molecules. This can cause one molecule
to
> split into two or more or make a new molecule by addition of a atom, ion
or
> the like. The reason for the colours to be in the blue range is that they
> carry enough energy to kick that electron out of its natural state
changing
> the bonding tendencies of a given compond. This is also the reason why UV
> gives us cancer, it changes our DNA (creates G dimers). With out getting
> into to much quantum physics I can safely say that you can shine as much
> red light on wine, as long as it does not change the temperature, and no
> "artifical aging" will occur because of the red light exposure.
>
> As for the bottle colour, you could have a clear bottle that will block
> 100% UVA and UVB light (UVC has to be artificially created since very
> little makes it to earth). So I would say that the best bottle would be
> made out of a UV absorbing (I believe boro-silicate glass is one, Pyrex)
> with colourants that will absorb/reflect the blues and violets ie a blue
> bottle. Now the price for such a bottle would be very high and it is not
> very necessary as long as the wine is kept in a dark place. That said you
> do not want to start spraying the room walls with a UV absorber and
> painting the bottles with a UV Scatterer (titanium dioxide) because it
will
> slow your aging dramaticly, as the saying goes everying in moderation. Now
> all we have to do is decide what moderation means!!
>
> well thats my two cents worth.
>
> Rob

Thanks for a great post Rob.