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56 Cards in this Set

  • Front
  • Back

Adjuncts

Alternative sources of sugar

Reinheitsgebot

German beer purity law enacted in 1516 that stated the only ingredients allowed in pure beer are malt barley, hops, yeast, and water

Aleurone

3 cells deep, surrounds endosperm, role is to make enzymes that degrade starch


Husk (hull)

Used as a filter bed to filter the wort

Acrospire

shoot that grows under the husk during modification

Brewery Bottling Rate (bottles and cans)

1200 bottles/minute or 2500 cans/minute

Trub (From Reading) What is it?/How is it removed?

Insoluble precipitate of proteins after boiling the wort, causes haziness if not removed. Removed through whirlpool

HMS Menestheus

In 1944 converted from a British Royal Navy mine layer to an amenities ship with an onboard brewery. Capable of desalinating sea water to use for beer.

Extract

Amount of sugar in wort measured by specific gravity

Hydrometer

measures the strength of the wort

Fusarium

mold that can contaminate grain in cold regions, gushes beer, produces vomitoxen

What is the lowest cost contributor to beer?

Hops

Alpha Acids

Ultimate source of bitterness, found in resin of hops

Isomerization

converting of resin (alpha acid to iso alpha acid) happens during boiling

Late Hopping

hold off some hops for later in the brewing process

Dry Hopping

add hops to finished beer, creates more hoppy aroma

When were hop extracts first proposed?

In 1820. They were extracted with lime, alcohol, and ether. Currently, they are extracted using liquid CO2

What brewing town has the hardest water?

Burton

What brewing town has the softest water?

Pilsen

What is the typical pH of beer?

4 - 4.5

How do you determine the age of a yeast cell?

Count the scars from budding additonal cells

What is an ale yeast?

Saccharomyces cerevisiae, top-fermenting

What is a lager yeast?

Saccharomyces patorianus, bottom-fermenting

Why is zinc sometimes added during fermentation?

It is an essential nutrient for the yeast

What is methylene blue used for?

Determines viability of yeast. Living yeast cells remove the blue

What is the pitching rate?

We want 1,000,000 viable cells per mL of wort per degree Plato

What is a hemocytometer used for?

Determines the number of yeast cells

What can capacitance be used to measure?

Determines the number of living yeast cells

Gelatinization

Breaking down of granule so enzymes can break them down

Gelatinization Temperature

65C or 149F

Rate of Liquid Flow Equation

pressure*area*permeability/(bed depth * viscosity)

High gravity brewing

Increases yield by brewing beer to a higher specific gravity and then watering it down

What does oxygen due to beer?

Causes beer to go stale

What are isinglass finings

Swim bladder of a fish that is used to remove yeast from beer

What is PET?

Polyethylene Tetraphtalate


Used as one of the first plastic bottles for beer. Had problems with high gas permeability (CO2 out and O2 in)

What country produces the most beer?

China

What country consumes the most beer?

Czech Republic

What is the world's leading brand of beer?

Snow (Chinese market only)

What is the number 1 US beer?

Bud Light

What is 3-2 beer?

3.2% alcohol by weight (4.0% abv) For some states this is the highest proof that may be sold in grocery stores

What happended to the HMS Menestheus?

In 1944 converted from a British Royal Navy mine layer to an amenities ship with an onboard brewery. Capable of desalinating sea water to use for beer.

Who edits JASBC?

JASBC stands for the Journal of the American Society of Brewing Chemists. Charles Banforth has been editor in chief since 2000

What is alt?

A german ale, comparable to English pale ale

What's in a Michelada

A mexican drink made with beer, lime juice, spices, and peppers served in a salt rimmed glass

What is Marzen?

Style designed due to lack of refrigeration. Made to be stored over summer for Oktoberfest

What is Hefeweizen?

Beer that's made with > 50% wheat?

What did Dan Gordon also invent?

Garlic Fries

Max production to be considered a craft brewery

Less than 6 million barrels per year

Brewing Industry job types

Logistics, Brewmaster, maintenance, packaging

What accounts for half the cost of beer?

Shipping and materials

How far in advance are material typically ordered

4 months before reaching the customer

When are hops harvested?

August/September

How much of beer is water

92%

When did the craft brewing industry start to take off?

1970s

What recent decade saw the fewest breweries in the nation?

1970s

What is the most popular kind of hops in the US

Cascade, popularized by Sierra Nevada