Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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 |