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lec5a - From Classical to Renaissance 2000 AD 0 BCE 2000 BC...

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FS 430 From Classical to Renaissance Glass Corks Wood Sprays Additives FS 430 0 BCE 2000 BC 4000 BC 6000 BC 2000 AD Caucasia Mesopotania Egypt Greece Roman Champagne 1 2 Timeline for Wine History 1600 1700 1800 1900 2000 AD 8,000 Years 400 Years Chemical Science Perception Champagne Development Sugar as chemical Hydrometer Microscope Alchemy FS 430 FS 430 Roman 1630 - 1740 FS 430 FS 430 Cork Oak Trees in Portugal 40 years to mature
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FS 430 Cork Taint Ruins 10% of corked wine production Cl Cl Cl OCH 3 2,4,6,-trichloroanisole • fungicides • chlorination musty smell TCA FS 430 FS 430 Ancient Sulfur Applicator Cordero de Montezemolo FS 430 Sulfur - Brimstone First Fungicide - 200 B.C. First Food Additive - 1,000 A.D. Sulfur Dioxide FS 430 Preservation Acree 00 Wine Burning sulfur Sulfur dioxide vapor Sulfur dioxide in solution Vinegar years FS 430 Off odors during fermentation Sulfur (solid particles) Yeast (glutathione) H 2 S Mercaptans (reacts w/ Hg) carbonyls
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FS 430 Heavy metals React with H 2 S & mercaptans …to eliminate odor.
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