At a recent tasting, a quarts de chaume with 200gms(per litre) of residual sugar. Is my calculation of 20% residual sugar correct?
Another wine, a coteaux du layon had over 400gms of sugar per litre, but I think that was before fermentation. this wine poured like 10 weight motor oil in a Maine winter.
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M
Michael Pronay
Yup.
400g/L of RS after fermentation are perfectly possible.
M.
S
Santiago
Michael Pronay wrote in news: snipped-for-privacy@pronay.com:
Michael,
I remember having several Coteaux du Layon and Quarts du Chaume that are typically in the 100 grams/litre of residual sugar. While 400g/l can be possible, I do not think it is the norm in either zone.
I remember a visit to Patrick Baudoin (in Anjou), who makes one of the best sweet wines I have ever tasted (Mary Juby 2002) and he gave me a tiny bottle of a wine (not a wine, actually) called Les Sens du Chenin 1997 (Or, perhaps, L'essence du Chenin, I do not remember properly) that had an impressive amount of residual sugar (about 350gr/l?). To the point that it seldomly fermented (I think it was less than
1% vol.)
Perhaps Mike could jump in and give us some more insight directly from Patrick.When I poured the, errr, juice, it was more like a syrup than a liquid. However, it was balanced for a high acidity. Very interesting.
Best,
S
M
Mike Tommasi
Ah yes, Essence du Chenin, a clear allusion to Eszencia, only made by Patrick a couple of times, around 700g/l of residual sugar... and huge acidity to balance yes.
L
Luk
700 g/l of sugar means 42° pf potential alcool! Just potential because I suppose few yeats families (Zygosaccharomyces f.i.) could (hardly) fermentate such syrup.
Luk
M
Mike Tommasi
It only ferments to about 2°, and it takes about a year to do so. Yes sugar in concentration at that level or higher is indeed toxic for yeast (that's why honey needs no preservatives!).
cheers Luk (PS I am flying out of Genova next tuesday morning, I am thinking of spending the monday evening around there, whadya say, are you around?).
G
gerald
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