Ch 2 - Wine Faults Flashcards
Potential wine fault(s) relating to Sulfur
Mercaptan
Potential wine fault(s) relating to Bacteria
acetic acid, ascensence, butyric acid, geranium
Potential wine fault(s) relating to yeast
pronounced odor of lees, brettanomyces
Potential wine fault(s) relating to mold
cork taint
Potential wine fault(s) relating to oxidation
acetaldehyde, browning
root cause of cork taint
2,4,6 TCA
What does “corked” wine smell like?
musty, moldy, like a dank basement
what can cause wine to smell like rancid butter?
butyric acid
what does incomplete malolactic fermentation smell like?
geranium
what is the term used to describe when wine has a cooked or baked odor?
Maderized
what wine fault is caused by high amounts of acetic acid and ethyl acetate
ascensence, or volatile acidity
what specific terms can describe a wine with an excess of Brett
sweaty, horsy, band-aid, or medicinal
what substance can cause a wine to smell like onions or garlic
mercaptan (ethyl mercaptan)
what aroma can be caused by an abundance of ethyl acetate
nail polish remover
what wine fault can have the smell of burnt matches
sulfur dioxide
what wine fault smells like rotten eggs?
hydrogen sulfide
what off-odor is caused by acetic acid
vinegar
what odor can occur from prolonged contact with dead yeast?
Leesy
what wine fault can occur from sulfur compounds?
mercaptan
what odors are a result of excessive Brett
sweaty or horsy odor
what aroma is from ethyl acetate?
nail polish remover
what wine fault is from incomplete MLF
geranium
TCA is noticeable at _____ concentrations, with it being detectable by most people at a level of ________
Low; 2 to 7 parts per trillion
what wine fault can lead to a smell of rotten eggs
hydrogen sulfide
