chapter five: fermentation/still wine production Flashcards
breaking the skins of the grapes
crushing
separating the grape juice from the skins and other solids
pressing
contact between grape skins and juice prior to the start of fermentation
cold soak
grape juice - or a mixture of juice and solids - destined for fermentation
must
the first - and the finest - juice from the grapes
free run
adding sugar prior to fermentation
chaptalization
french term for juice settling
debourbage
number of gallons in a 225-liter barrel
60
typical strain of commercial yeast used in winemaking
saccharomyces cerevisiae
secondary fermentation, initiated by bacteria
malolactic fermentation
buttery-scented chemical created via mlf
diacetyl
expired yeast cells (in a newly fermented wine)
lees
stirring dead yeast cells and other solid matter in a recently-fermented wine
batonnage (lees stirring)
clarification via gravity
racking
allowing a newly fermented wine to remain in contact with the expired yeast cells
sur lie aging
clarification via a substance such as gelatin or bentonite
fining
clarification via straining wine through a barrier
filtration
clarification via laboratory equipment and accelerated gravity
centrifuge
clarification to prevent tartrate crystals
cold stabilization
managing the cap via moving juice from the bottom of the tank and spraying it over the top
pumping over
manage the cap by physically pushing the cap down into the fermenting juice
punching down
french term for punching down
pigeage
french term for rack and return
délestage
alternative method of red wine production using whole, i crushed grapes
carbonic maceration
“bleeding” method used to produce red wines and rose
saignée
production method for very pale rose, such as those made in provence
direct press
vineyard mold that shrivels grapes for use in sweet wines such as sauternes
botrytis cinerea