lesson 2 Flashcards
defineitoin of wine
the fermented juice of the grape used as a beverage
vitis vinifera, L
the main Eurasian species of the genus and the (basically) only one used to make wine
what’s up with grapes from American vines?
they are not used to make wine but most cultivated V. vinifera plants are grafted onto American rootstock
why is american rootstock used how it is?
the rootstock are resistant to Phylloxera
what is Phylloxera
a bug that attacks roots of the vine
importion point about exceptions in wine
almost everything in wine has exceptions
what color are pulps of grapes
clear
are all pulps of grapes the same color?
yes
what is red wine made with
red grades
what is white wine made with
red or white
pulp
water and sugar, tartaric acid and malic acid
are acids present in finished wine?
yes
what is the most abundant acid in pulp?
tartaric acid
seeds
contain tannins, high levels of bitter oils
stem
contains tannins, stems only available if handpicked (can make too bitter)