Химия Вина Flashcards
Соединения, связанные с серой
Тиолы
= меркаптаны
Гераниол
Аромат
Розы
Терпены
Цветочные
Линалоол
Ландыши
Лилия
Лаванда
Альфа-терпениол
Сирень
Бета-ионон
Фиалка
Альфа-пинен
Эвкалипт
Гаррига
Можжевельник
Розмарин
Гексаналь
Альдегид
Трава, томатный лист
Бензальдегид
Миндаль
Марципан
Фурфураль
Сухое дерево
Карамель
Изоамил ацетат
Этил ацетат
Груша
Леденцы
Банан
Сотолон
Карри, орехи, тосты
Гуйаколь
Smoky
Фурфурол
Ароматы
Ржаной хлеб и миндаль
Эвгенол
Гвоздика
The spoilage compound 4-Ethylcatechol (4-EC) (Brett) is associated with what flavors?
sweaty, horsy aromas
Which ester is associated with the aroma of nail-polish remover?
Ethyl Acetate
-Ethyl acetate’s aroma of nail-polish remover typically accompanies—but is not necessarily an indicator of—volatile acidity.
Ethyl Acetate is associated with what aroma?
nail-polish remover
-Ethyl acetate’s aroma of nail-polish remover typically accompanies—but is not necessarily an indicator of—volatile acidity.
Gluconobacter oxydans and Acetobacter aceti are associated with which wine “flaw”?
Volatile Acidity
-Two species of Acetic acid bacteria that are responsible for the production of acetic acid during and after fermentation. Essentially, such organisms spoil wine by turning it to vinegar
What 2 vintages in what two regions were affected by the the orange Asian ladybug?
2004 vintage in Burgundy
2001 vintage in Ontario
-“Ladybug taint”—an off-flavor charitably described as “green” and less tolerantly as smelling like rancid peanut butter
Sweaty, horsy aromas are associated with which spoilage compound of Brettanomyces bruxellensis?
4-Ethylcatechol (4-EC)
In addition to the three spoilage compounds produced by Brettanomyces bruxellensis what two acids are produced?
acetic acid
isovaleric acid—a volatile fatty acid marked by sour aromas of barnyard and bile
*tetrahydropyridine compounds, the source of “mousy” odors in wine.
Which ester is associated with the aroma of nail-polish remover?
Ethyl Acetate
-Ethyl acetate’s aroma of nail-polish remover typically accompanies—but is not necessarily an indicator of—volatile acidity.
What is Ethyl Acetate?
An ester of acetic acid and ethanol which is associated with nail-polish remover aromas.
-An ester that has been found to be a useful solvent in nail polish remover, model paint, and model airplane glue.
What are the two haloanisoles that have been identified as principal causes of the musty off-odors associated with “cork taint”?
2,4,6-trichloroanisole (TCA)
2,4,6-tribromoanisole (TBA)
-TCA and TBA are haloanisoles, containing chlorine and bromine atoms, respectively, produced by the degradation of halophenols by fungi and bacteria.
The spoilage compound 4-Ethylcatechol (4-EC) (Brett) is associated with what flavors?
sweaty, horsy aromas
Which compound is produced by Brettanomyces and contributes medicinal and barnyard aromas to wine?
Ethylphenol
4 ММP
Аромат
4меркапто 4 метилпентан 2он
Аромат чёрной смородины
Октолактон
Кокос
Укроп
От американского дуба