Margalit PQR

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MargalitPQR

• BUS 416

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Quality Control

• Assure that a product meets certain
  specifications
• A screening stage through which only those items
  that meet specs pass through
• Anybody see a problem with that????

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Why Quality

• Maintain consistency
• Big wineries can blend
• Small ones have fewer options
• Do wineries trade wine??

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Why Quality

• Government Regulations
• Alcohol
• Sulfur Dioxide
• Volatile acidity
• Instability
• Cloudiness
• Oxidation
• sediment

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Stop!

• Dont bottle it unless you have measured
• Alcohol
• Total acidity
• pH
• Volatile acidity
• Residual sugar
• Sulfur dioxide
• Dry extract
• sterility

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After Bottling

• Check for aesthetic appearance
• Inspect with direct light for particles
• What is missing here???

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Missing

• Quality in the vineyard
• Chemicals
• Irrigation
• Pruning
• Records
• Software?
• Tasting notes
• Environmental conditions

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Organic Wine

• Is this the wave of the future?
• Unpredictable

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Q. Wine Spoilage -
Microbiological

• Refermentation
• Spritz, explode
• Brettanamyces yeastfrom wine equipment
• Acetobactor if surface is exposed to air, it
  consumes alcohol

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Chemical Disorders

• Sulfide
• Oxygen
• Over-filtering
• Over-fining
• Over-racking
• Over-barrel-aging

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R. Basic Analysis

• Sugar
• Acidity
• Alcohol
• Sulfur dioxide
• Residual Sugar
• Tannins and Pigments
• Havent I seen this all before.Quality