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Aromas in White Wine Making

Primary/ Varietal Aromas

• Methoxypirazines
• Terpanols
  
• Thiols
  

Secondary/ Fermentation Aromas

• Esters
• Fusels
  

Tertiary/ Aging Aromas

• Furfuryl Thiols (wood)
• Yeasty Aromas
• Oxidative Notes
  

Preserving Aromas at Picking

• SO2 at Crusher
  
• Absorbic Acid
• Gallic Tannins
  

Extracting and Preserving Precursors

• Enzymes for Pressing
  
• JUICE Settling/ Fining
  

Expressing Aromas

• Yeasts, Nutrients
• Enzymes
• Managing Oxygen and Temperature
  

Preserving Aromas During Aging and Bottling

• Manage Temperature, SO2, O2
• Glutathione
• Fining, Stabilization