Ice Wine

Ice Wine - Food Science 470 Wine Late Harvest Ice Wine...

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Food Science 470 Wine Appreciati on Dr. Christian E. BUTZKE Associate Professor of Enology Department of Food Science [email protected]    765.494.6500    FS Room 1261
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Dessert Wines   Ice Wine    Late Harvest Wine  Passito
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Ice Wine USA legal definition: ATF Ruling 78-4, 1978 C.B. 61,  allows use of the term "ice wine"  for wine made from grapes  that were “partially frozen on the vine”.
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Ice Wine What’s “frozen”?  Grapes starting to freeze:  <32°F  Grapes frozen solid: <12°F  Optimum ice wine pressing: 16-20°F  Canadian definition:    18°F (-8°C)
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Ice Wine Vidal Blanc
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Ice Wine After the first night frost
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Harvest  time Ice Wine
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CEB 
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Ice Wine Harvest  time
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Ice Wine Frozen cluster BEFORE pressing
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Ice Wine What’s “frozen”?
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Ice Wine Whole Cluster Pressing of frozen grapes
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Ice Wine Condensation on wine press
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Ice Wine Pressed ice wine juice
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Ice Wine I don’t know but I’ve been told ice wine juice is mighty cold … ca. 20°F
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Ice Wine Frozen cluster AFTER pressing
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sugar-less “snow” remaining Ice Wine After pressing:
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This note was uploaded on 05/07/2010 for the course FS 470 taught by Professor Christianbutzke during the Spring '10 term at Purdue.

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Ice Wine - Food Science 470 Wine Late Harvest Ice Wine...

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