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Question
What are the steps involved in wine making?
 Question Submitted By :: Chemical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
The essential steps in winemaking can be summarized as follows:
 Extract the flavor and aroma from the base ingredients by chopping, crushing, pressing, boiling or soaking them.
 Add sugar, acid, nutrients, and yeast to the fermentation media or liquor to achieve the proper ratio and ferment, covered, for 3 to 10 days in a primary fermentation vessel (crock, jar or polyethylene pail) at 70-75 degrees Fahrenheit.
 Strain off the liquid from the pulp, put it (the liquid) into a secondary fermentation vessel (a carboy or jug), fit a fermentation trap (airlock) on the mouth of the bottle, and allow fermentation to proceed at 60-65 degrees Fahrenheit until all bubbling ceases (after several weeks).
 Siphon the wine off the sediments (lees) into another clean secondary fermentation vessel. Reattach the fermentation trap. Repeat after another one or two months and again before bottling.
 When wine is clear and all fermentation has stopped, siphon into wine bottles and cork the bottles securely. Leave corked bottles upright for 3-5 days and then store them on their side at 55 degrees Fahrenheit for six months (white wine) to a year (red wine) before sampling. If not up to expectations, allow to age another year or more.
 
Is This Answer Correct ?    0 Yes 0 No
Priyankar Talukdar
 
Answer
# 2
In specification with grape wine first the grapes are
squashed into mash and then little yeast is added into it
and it is left for a minimum time at a specific temperature
for bacterial decomposition where yeast acts as a bacterial
catalyst and the chemical reaction converts it into grape
wine.
 
Is This Answer Correct ?    2 Yes 4 No
Nanda Kumar
 
 
 

 
 
 
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