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Cream of Tartar from Wine Lees
Cream of tartar is potassium bitartrate, a by-product of winemaking. It forms naturally in grapes and, because it dissolves poorly, it crystallises in wine casks during fermentation and settles with the lees, the sediment left when the young wine is racked off. Its solubility rises steeply with temperature, so the lees are dissolved in hot water, filtered, and cooled: the potassium bitartrate crystallises out and is filtered off again. Purified, it is the white, odourless, acidic powder used in cooking.
Oqalayo
1–2 days
Imiyalelo
1
1
Collect the lees
Collect the lees
After fermentation, rack the wine off and keep the sediment, the lees.
Izinto zokwakha zalesi sinyathelo:
Inzika yewayini1 as required2
2
Dissolve hot and filter
Dissolve hot and filter
Dissolve the lees in hot water and filter out the solids.
Izinto zokwakha zalesi sinyathelo:
Amanzi1 as requiredAmathuluzi adingekayo:
Ibhodwe Elikhulu Lomhluzi
Indwangu kashizi3
3
Cool and crystallise
Cool and crystallise
Let the filtered solution cool. As it cools the potassium bitartrate crystallises out; collect the crystals by filtering again.
Amathuluzi adingekayo:
Indwangu kashizi4
4
Dry and powder
Dry and powder
Dry the crystals; the purified salt is a white, odourless, acidic powder.
Amathuluzi Adingekayo
2- Isibambeli
- Isibambeli
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