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Lecture 20:

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:

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  1. Lecture 20: Wine Complexity and Quality

  2. Many definitions of wine “Quality” center on “Complexity” How does one define “harmonious”?

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

  4. Wine Flavor/Aroma Families • Food: Plant • Food: Non-Plant • Non-Food

  5. 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

  6. 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

  7. Vegetation Wood Paper/Cardboard Solvent Soil/Musty Animal/Barnyard Metallic Pharmaceutical Complex Sulfur (burnt match,rubber) Complex Ester (perfume, soap, plastic) NON-FOOD

  8. Harmonious Complexity vs. Complexity Cherries, Strawberries, Butter, Citrus, Paper, Solvent and Wet Dog: complex, but is it harmonious?

  9. Source of Flavor/Aroma Compounds • Grape • Microorganisms • Aging (Time) • Addition: Oak, Fining, Aeration • Removal: Fining, Aeration

  10. Factors Affecting Wine Characters • Volatilization • Chemical Reactivity • Chemical Stability • Metabolism • Downstream Processing: fining; oxygen • Sensitivity to Dilution

  11. 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.

  12. 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.

  13. French vs. American Breeding vs. Personality Harmony vs. Complexity

  14. Personality: Inherent Genetic Factors Influenced by Environment

  15. Breeding: Inherent Genetic Factors Influenced by Environment Is Only the Beginning . . .

  16. This concludes the Wine Production course. Life is too short to make or drink bad wine!

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