Sake Production: Filtration and Bottling Flashcards

Identify the final production steps and optional interventions before bottling. (13 cards)

1
Q

What is the primary purpose of filtration in sake production?

A

To remove solids and clarify the sake.

Filtration helps achieve the desired clarity and stability in the final product by removing rice particles and yeast lees. All sake must, according to the law, be filtered.

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2
Q

Fill in the blank:

After filtration, sake is often ______ to stabilize it before bottling.

A

Pasteurized

Pasteurization is used to kill bacteria and deactivate enzymes, thus preventing spoilage, maintaining quality, and preventing faulty aromas from developing.

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3
Q

Fill in the blank:

An unpasteurized sake is referred to as _____.

A

Nama

Nama sake requires refrigeration to maintain its fresh and lively flavors, as it has not undergone pasteurization.

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4
Q

What effect does pasteurization have on sake?

A

It stabilizes the sake by killing bacteria and deactivating enzymes.

Pasteurization helps prevent faulty aromas from developing.

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5
Q

What is ‘Nigori’ sake known for?

A
  • Cloudy appearance
  • (due to) Coarse filtration

Nigori sake is intentionally left with rice particles, giving it a milky and cloudy appearance.

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6
Q

List two optional interventions that may occur before bottling sake.

A
  1. Carbonation
  2. Dilution

Carbonation can add a sparkling quality, while dilution with water can adjust alcohol levels and flavor balance.

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7
Q

Fill in the blanks:

Dilution with water in sake production is primarily done to adjust ______ ______.

A

Alcohol content

Dilution with water can lower the alcohol percentage from 20% to 15-17%.

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8
Q

What is the typical alcohol content range for sake after dilution?

A

15-17% ABV

Dilution helps in achieving this range, which is standard for most sake varieties, providing a balanced taste.

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9
Q

Why might a sake producer choose to carbonate their product?

A

To create a sparkling sake.

Carbonation can add a refreshing effervescence that appeals to consumers seeking a different sensory experience.

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10
Q

True or False:

Nigori sake is fully filtered for maximum clarity.

A

False

Nigori sake is only coarsely filtered, retaining some rice solids for a cloudy appearance.

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11
Q

True or False:

Sake must be consumed immediately after bottling to maintain quality.

A

False

Sake can be stored for a period if kept under appropriate conditions.

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12
Q

Fill in the blank:

The final step before bottling sake is ______.

A

Filtration

Filtration clarifies the sake, removing any remaining solids and impurities, ensuring a clear final product.

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13
Q

High-strength distilled alcohol is sometimes added to the sake before or after filtration?

What does this addition of distilled alcohol do to the sake?

A

Before filtration.

This helps to extract flavors trapped in the rice solids.

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