Vineyard Science
Fermentation & Chemistry
Industry & Health
100

The grape species responsible for about 90% of global wine production is known as what?

Vitis vinifera

100

This microorganism converts sugar into alcohol.

Yeast

100

The U.S. wine industry contributes approximately this amount in total activity.


$323.55 billion

200

About how many grapes does it take to produce one bottle of wine?

600–800 grapes

200

Fermentation converts glucose into these two products.

ethanol and carbon dioxide

200

The industry supports approximately this many U.S. jobs.


1.75 million jobs

300

As grapes ripen, photosynthesis increases the production of this compound.


Sugar

300

Alcoholic fermentation occurs in this type of environment.

Anaerobic

300

Moderate wine consumption is defined as this amount per day for men.

2 drinks per day

400

There are approximately this many types of grapes used to make wine.


10,000 types

400

This secondary process converts malic acid into lactic acid.


Malolactic Fermentation

400

Excessive alcohol consumption can lead to this liver disease.

cirrhosis

500

White wine differs from red wine because the juice is separated from the skins before this process.

Fermentation 

500

Tannins create this sensory experience in red wine.


a dry, puckering sensation

500

This antioxidant in red wine is associated with reduced oxidative stress.


resveratrol

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