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Yeast > flavor compounds > Flashcards

flavor compounds Flashcards

1
Q

What are congeners?

A

Substances other than alcohol produced during fermentation

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2
Q

Name 3 flavor active compounds from yeast

A

Acids
Alcohols
Esters
Aldehydes
Ketones
Phenolics

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3
Q

What impact does zinc have on fermentation and flavor compounds?

A

Can bring our certain flavors and help sustain fermentation to prevent formation of off flavors

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4
Q

What flavor is iso-amyl-acetate?

A

Banana

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5
Q

What flavor is ethyl-acetate?

A

Solvent, acetone

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6
Q

What flavor is phenylethanol?

A

Roses, perfume

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7
Q

How many flavor compounds come from yeast?

A

At least 400

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8
Q

What flavors are fatty acids?

A

Sweaty feet, rancid

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9
Q

What affects ester production?

A

Yeast strain
Gravity of wort
Zinc
Low oxygen
Pitching rate
Fermenter pressure

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10
Q

What do organic acids taste like?

A

Sour or acidic

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11
Q

What are examples of organic acid?

A

Lactic
Pyruvic
Acetic

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Yeast (7 decks)

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