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QA23 Dry Wine Yeast
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Description

Portuguese isolate used for production of fresh, fruity, white wines. Enhances the aroma of terpenic varietals like Muscat, Sauvignon blanc and Gewurztraminer, through Beta-glucosidase activity. QA23 will not give structure to a wine, but it truly excels at focusing the fruit either alone or as part of a blend. Strong fermentation rate, alcohol tolerant to 16% and optimum fermentation from 50 to 90 degrees. QA23 has low nutrient requirements and will ferment clarified juice with low solids content.

Click here for a PDF of the MoreWine Manual on re-hydrating wine yeast.

Click here for a PDF of the MoreWine Yeast and Grape Pairing Guide.

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Community Q&A

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Browse 1 question Browse 1 question and 14 answers
Why did you choose this?
MoreFlavor Store
Success with the last two vintages using this yeast
Larry M on Sep 14, 2018
Have used in the past.
Judy L on Aug 21, 2018
Success with the last two vintages using this yeast
Larry M on Sep 14, 2018
Its ability to unbind thiols and terpenes. Using for Sauv Blanc, Albariño and Cab Franc
Alex R on Sep 3, 2018
Have used in the past.
Judy L on Aug 21, 2018
Riesling
Craig V on Aug 18, 2018
liked
Maricor S on Aug 16, 2018
Lovely floral notes
Mark F on Aug 10, 2018
For cider yeast trials based on Scott’s Lab documents on characteristic
David M on Aug 8, 2018
excellent cold fermented white wine
Rick S on Jul 17, 2018
intend to make a fruit forward white and want low SO2 production during fermetation.
Dean T on Jul 11, 2018
It's a low maintenance fermentor that brings out passion fruit and guava notes.
Michael F W on Jul 7, 2018
Good for fruit forward white wines
Vine 2 W on Jul 7, 2018
Good reliable ferment.Also very good for malolactic fermentation.
robert f on Apr 24, 2018
Because of your yeast guide
Christopher A on Apr 13, 2018
Replacing an old yeast pack in a mead kit
Craig M on Jan 25, 2018
Its ability to unbind thiols and terpenes. Using for Sauv Blanc, Albariño and Cab Franc
Alex R on Sep 3, 2018
Riesling
Craig V on Aug 18, 2018
Reviews

4.0 / 5.0
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A very nice yeast for many white wines.
We've used QA23 for many different white wines over the years. Always good results.
April 9, 2018
Purchased
9 months ago
QA23 with Suavignon Blanc
With Sauvignon Blanc the yeast does what its description says it does in bringing out the passion fruit characteristics of the varietal. However, the net result is a bit one-dimensional and a little heavy on in terms of mouthfeel. I think that this yeast could best be used with Sauvignon Blanc when blended with other Sauvignon Blanc that has been fermented with a yeast that produces a lighter and brighter wine. I have not yet tried this yeast with Chardonnay, but am about to. I struggled as whether to give this yeast a three or four star rating. I think that the result on its own is solid and ok, but lacks a wow factor, which is why I ultimately settled on a three star rating.
April 30, 2015