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Lecture 20:. Wine Complexity and Quality. Many definitions of wine “Quality” center on “Complexity” How does one define “harmonious”?. Harmonious Complexity : The flavors and aromas present meld well, so well that they become difficult to distinguish. Wine Flavor/Aroma Families. Food: Plant

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lecture 20
Lecture 20:

Wine Complexity and Quality

slide2

Many definitions of wine “Quality” center on “Complexity”

How does one define “harmonious”?

slide3

Harmonious Complexity: The flavors and aromas present meld well, so well that they become difficult to distinguish.

wine flavor aroma families
Wine Flavor/Aroma Families
  • Food: Plant
  • Food: Non-Plant
  • Non-Food
food plant
Vegetable

Herbal

Floral

Spice

Processed Plant (olive,tea,coffee,)

Fermented Plant (pickled,vinegar)

Tropical Fruit

Citrus Fruit

Non-Berry Tree Fruit

Red Fruit

Purple Fruit

Dried Fruit

Nut

FOOD: PLANT
food non plant
Meat

Beef

Salami

Bologna

Dairy

Cheese

Cream

Butter

Butterscotch

Sea Food

Yeasty

Fungal

Soy

Mushroom

Other

Cotton Candy

Rotten Egg

Chocolate

Caramel

FOOD: NON-PLANT
non food
Vegetation

Wood

Paper/Cardboard

Solvent

Soil/Musty

Animal/Barnyard

Metallic

Pharmaceutical

Complex Sulfur (burnt match,rubber)

Complex Ester (perfume, soap, plastic)

NON-FOOD
harmonious complexity vs complexity
Harmonious Complexity vs. Complexity

Cherries, Strawberries, Butter, Citrus, Paper, Solvent and Wet Dog: complex, but is it harmonious?

source of flavor aroma compounds
Source of Flavor/Aroma Compounds
  • Grape
  • Microorganisms
  • Aging (Time)
  • Addition: Oak, Fining, Aeration
  • Removal: Fining, Aeration
factors affecting wine characters
Factors Affecting Wine Characters
  • Volatilization
  • Chemical Reactivity
  • Chemical Stability
  • Metabolism
  • Downstream Processing: fining; oxygen
  • Sensitivity to Dilution
slide11

Most wine characters are derived from or are metabolites of compounds present originally in the grape.

Grape composition is critical in the production of a quality wine.

slide12

Wine production processes have a strong impact on the metabolites produced and characters remaining in the wine at the time of bottling.

Winemaking practices are critical for production of a quality wine.

slide13

French vs. American

Breeding vs. Personality

Harmony vs. Complexity

slide14

Personality:

Inherent Genetic Factors

Influenced by Environment

slide15

Breeding:

Inherent Genetic Factors

Influenced by Environment

Is Only the Beginning . . .

slide16

This concludes the Wine Production course.

Life is too short to make or drink bad wine!

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