North American Fruit Explorers mailing list at ibiblio

["Bob Kelly" <Bkelly66@bellsouth.net>]

http://www.quackwatch.org/01QuackeryRelatedTopics/DSH/resveratrol.html

Grape Expectations:
The Resveratrol StoryMelissa Q.B. McElderry, M.S., R.D.
(snip)
The resveratrol content of wine is related to the length of time the grape
skins are present during the fermentation process. Thus the concentration is
significantly higher in red wine than in white wine, because the skins are
removed earlier during white-wine production, lessening the amount that is
extracted [3]. Grape juice, which is not a fermented beverage, is not a
significant source of resveratrol. A fluid ounce of red wine averages 160 µg
of resveratrol, compared to peanuts, which average 73 µg per ounce [6].
Since wine is the most notable dietary source, it is the object of much
speculation and research.

(snip)

----- Original Message ----- 
From: "Tom Olenio" <tolenio@sentex.net>
To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
Sent: Tuesday, August 26, 2003 12:27 PM
Subject: Re: [NAFEX] Study shows red wine molecule may extend life


> Hi,
>
> Maybe there will a resurgence for Concord grape juice made by Welches,
instead of "grape cocktail".
>
> Does anyone know what heating of juice does to resveratrol levels?
>
> Does anyone know what converting raw juice to wine does to resveratrol
levels?
>
> Now I just need to learn how to make a better labrusca wine.
>
> Later,
> Tom
>
> Joe Hecksel wrote:
>
> > Let's see if this works!
> >
> > Resveratrol levels of berries and leaves of selected grape clones.
> > V. riparia (native Wisc grape) with colored flesh slam-dunk the other
> > berries.
> >
> > Berry Resveratrol (RESVERBY)
> > http://www.ars-grin.gov/cgi-bin/npgs/html/obvalue.pl?174029
> > and
> >
> > Leaf Resveratrol of GRAPE
> > http://www.ars-grin.gov/cgi-bin/npgs/html/codes.pl?174026
> >
> > >
> > > On Tuesday, August 26, 2003, at 08:15 AM, Bob Kelly wrote:
> > >
> > > > Anyone have a reference for  red wines highest in the particular
> > > > polyphenols
> > > > believed to be effective??
> > > > I have been using mostly CA cabernets, but hear that grapes from
> > colder
> > > > climes may be better?
> > > >
> > >
> > >
> > > That's the part of the article I like best, about stressing the
> > grapes.
> > >   That seems to be the easiest aspect of growing grapes in WI ...
> > >
> > > mIEKAL
> > >
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> > --
> > Joe Hecksel
> > Personal Webpage http://my.voyager.net/~jhecksel
> >
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> --
> Thomas Olenio
> Ontario, Canada
> Hardiness Zone 5b
>
>
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