Wine Composition And Chemistry Flashcards
Which statement is false
The tart or sours and Sensation of acidity comes to us most strongly at the rear of our tongues
Which is these sugars is unfermentable
Rhannose
All wine has some residual sugar
T
In a fine wine
Hi acid wines may benefit from a higher level of residual sugar for balance
To create a wine with a substantial level of residual sugar
All the above
Wine Sweetened with unfermented grape juice taste less sweet than wine in which the winemaker leaves residual sugar by arresting fermentation
T
The average detection threshold for sugar and wine is 1%
F
Which statement about acids is false
Grape acids include tartaric Malik and lactic
Tartaric acid is
Rarely found in fruits other than grapes
Which statement is true
The lower the pH the stronger the acidity
The acudity of wine kills most bacteria
T
Which is not a form of alcohol
Phenol
Legs and tears in a wine glass are mostly alcohol
F
Phenolic compounds
All the above
Which statement about red wines is true
The more acidic the wine the redder it is
High Tannin wines
May derive tannin in both from grapes in from Oak aging
Which group is the most Tanic
Cabernet sauvignon
Which statement is false
A tight grained oak imparts more tannin than a wide grained oak
Which statement is true
None of the above
Yeast fermentation causes bio chemical esters to form during the winemaking process
T
Which statement about esters is correct
As acids link with alcohol is the perception of wine acidity diminishes even though the total acidity remains constant
Lactic acid
Is created by yaest during the first fermentation
