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28 Cards in this Set

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Purpose of cold maceration/soaking?

Extract flavour and colour (not tannins)

Red wine fermentation temp range

20 - 32 degrees

What is rack and return?

Drain fermenting juice into another vessel. Pumped back over the cap

What is press wine?

After maceration free wine is drawn off - remaining mass and skins pressed creating press wine

Requirement of grapes for whole bunch fermentation

Fully ripe grape stems

Describe intracellular fermentation

Whole bunches of grapes in oxygen free vat. Berries crate alcohol in cells without yeast

Describe carbonic maceration

-Whole uncrushed grapes into vat


- Fill with co2 (intracellular fermentation)


- alcohol level reaches 2% - skins split and release juice


- grapes pressed to release juice


- yeast complete fermentation off skins

5 stages

Benefits of cm and flavours given?

Extracts colour and flavour but not tannin


Kirsch, banana, bubble gum, cinnamon spice

Benefits of cm and flavours given?

Extracts colour and flavour but not tannin


Kirsch, banana, bubble gum, cinnamon spice

Describe semi carbonic maceration

- vats filled with whole bunches (no co2)


- grapes at bottom crush and some juice released


- ambient yeast ferments juice


- fermentation releases co2


- remaining berries undergo carbonic maceration


- skins split, release juice


- grapes are pressed and yeast off skins completes fermentation

Describe whole bunch with crushed fruit fermentation

- whole bunches submerged but crushed grapes - no oxygen


- whole bunches start intercellular fermentation


- whole bunches crush during fermentation by pinching down


= more ‘carbonic’ characters achieved by more whole bunch at start of fermentation

3 stages

Reasons for blending red wines

Enhance/balance colour, body, tannin, acidity, flavour

4

Reasons for blending red wines

Enhance/balance colour, body, tannin, acidity, flavour

4

What type of acid is used to raise the acidity in high volume wine?

Tartaric acid

What type of acid is used to raise the acidity in high volume wine?

Tartaric acid

What kind yeast is used for high volume red?

Commercial yeast

What type of acid is used to raise the acidity in high volume wine?

Tartaric acid

What kind yeast is used for high volume red?

Commercial yeast

What temperature range is used to ferment grapes at for HV wines?

22 - 25

Wines used for carbonic maceration or SC maceration?

Grenache or basic Beaujolais

Processes used for HV red wine?

- light cap management


- macerate small about of wine then blend


- CM or SCM


- SS vats


- 2nd / 3rd fill barrels / oak staves/chips


- stabilised, fined and filtered

6

Processes for premium Cabernet Sauvignon

- destem and crushed


- pre fermentation maceration


- ferment between 26-30 degrees


- post fermentation maceration


- new oak maturation and bottle ageing

Processes used for high quality merlot

2 approaches -


1) late harvest, concentrated ripe fruit flavours, soft tannins, new oaks (new world/south France)


2) early harvest, med alcohol/body, higher acidity, fresh fruit flavours, leafy notes. (Bordeaux style)


- destem and crushed


- pre fermentation maceration


- less rigorous extraction needed than CS


- 12-18 months new oak ageing

Processes used for high quality merlot

2 approaches -


1) late harvest, concentrated ripe fruit flavours, soft tannins, new oaks (new world/south France)


2) early harvest, med alcohol/body, higher acidity, fresh fruit flavours, leafy notes. (Bordeaux style)


- destem and crushed


- pre fermentation maceration


- less rigorous extraction needed than CS


- 12-18 months new oak ageing

3 types of rose making

- direct pressing


- short maceration


- blending

Processes used for Pinot noir

- destem and crush


- pre fermentation maceration


- whole bunch fermentation


- fermentation above 30 degrees


- 12 - 24 months old oak ageing


- bottle age

6

Techniques used for Syrah

- cap management


- new / old oak


- hot climates - harvest grapes earlier / less cap management / whole bunch fermentation


- post fermentation maceration

Wine processes used for Grenache

- Destemed and crushed


- pre fermentation maceration


- whole bunch fermentation


- gentle cap management


- post fermentation maceration


- old oak ageing

6