Day 1 Flashcards

(40 cards)

1
Q

Mention 4 ingredients in beer

A

Water, Barley Malt, Adjuncts, Hops

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2
Q

Why do we mill the malt?

A

To open the husk and break down some f the starch and protein structure

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3
Q

2 different mills for lauter tun, and advandeces

A

Dry milling, wet milling

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4
Q

Mention 2 types of mashing

A

INfusion mashing, and decoction mashing

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5
Q

Describe 4 steps in lautering process

A

first wort, sparging, lust running, spent grain removal

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6
Q

How long does the wort boil and amout of evapuration

A

60 min, 4-10% evap.

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7
Q

What does the wor pool?

A

The wort is moved in circular rotation, wich will make the teacup effect and the solids will gather in the middle

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8
Q

How does we cool the wort?

A

Plate heat exchanger

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9
Q

Why do we aerate the wort?

A

To provide oxygen for the yeast

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10
Q

Top fermenting yest, type and temp.?

A

Ale, higher temp. (14-18 grader)

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11
Q

Bottom fermenting yeast, type and temp.

A

Lager, lower temp (10-14 degrease)

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12
Q

How to get rid of haze, mention 4 methods

A

Kieselghr, membrane filter, coolcrash, PVPP and sillicagel

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13
Q

What does high gravity beer mean?

A

Brew strong beer to dilute later

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14
Q

Mention 4 importent inventions

A

Isolation of yeast, Frindge (cooling system). pasterastion, sacchrometer

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15
Q

What is importen to consider when milling the malt?

A

Too fine grains will make a to compact grainbed in th elauter tun and the water and wort will have a hard tme running througt. To big will make the starch less availeble.

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16
Q

What type of water weere used for pilsner

A

Soft water

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17
Q

What type of water is used for hoppy pale ales

A

Hard water but nonalkaline

18
Q

What do we do today to create consisdency and good quality

A

revershed osmosis

19
Q

What is the different between surface an municipalti water

A

The amount of microorganisms, and more alkaline in surface water beacause of agricultre

20
Q

Why use hops?

A

bitternes, essential olies, tastestbility, antimicrobial

21
Q

What conditions do hops need?

A

min. 13 hour daylight between 25- 30 deagrese

22
Q

What country grows the most hops

A

USA, Germany and China

23
Q

4 ways to add hop

A

Natrual hopleafs, Hoppellets, Hop extracts, Isomerized hop extract

24
Q

What creates suns struck flavour?

A

Iso alpha acids is convertedinto 3-methyl 2- buthen-1-thiol. when struck by the sun

25
Typical hop flavour
linalool
26
Where are the bitter and aroma compounds loacated?
In the hop cone in the lupulin glands. Only in female hop bines
27
mention 3 types of hoping
kettel hoping, late hoping, dry hoping
28
How does hop grow?
up and always clockwise
29
Mention 3 types of carbohydrates in malt
maltose, matriose, sucrose, fructose, glucose
30
Enzymes and their job?
alfa amylase: cleaves starch. beta amylase: cutts maltose
31
Categories of barley
2 rows, Spring, malt barley
32
Where is the starch located and where is the enzymes located in barley?
starch in endosperm, enzymes in embroy
33
mention the 3 steps in malting process
1. steeping, 2. germanation, 3. kilning
34
Describe steeping
barley is covered in water in 24-48 hours, in around 14-18 degrease. water content on 44-46%
35
Describe germanation
barley is spread out th germinat, 3-7 days, 14-20 degrease, aeration
36
Descibe kilning
barley is dryed, 12-48 hours, 45-85 degrease, ventilation. also roasting if necsarry
37
Hoe is malt color measured?
EBC
38
Why add adjuncts?
taste stability, degree of fermentation, price, energy savings, traditions
39
what does the gelations tempeture mean? and what is the udfordring?
it is the tempeture where the starch takes up water, this is sometimes not the same as for barlay wich can make it difficult
40