Process & Ingredients: Hops

Question 1

What are the two subsets of hops?

Answer 1

Aroma and bittering

Question 2

What are the finest aroma hops referred to, given their prized aromatic and subtle bittering properties?

Answer 2

Noble hops

Question 3

Name three (3) varieties of noble hops.

Answer 3

Saaz, Spalt, Tettnanger, Hallertauer, and Mittelfruh

Question 4

What variety of hops are higher in alpha acid content, but flavor and aroma characteristics are less refinded?

Answer 4

Bittering hops

Question 5

When did use of hops become widespread in beer making?

Answer 5

16th century (required in German Beer Purity Law of 1516)

Question 6

What is the simplest way to measure the bitterness of hops? This method is the weight of hops in ounces, times the alpha-acid content, and is expressed as a percent.

Answer 6

Alpha Acid Unit (AAU) or Homebrew Bittering Unit (HBU)

Question 7

What parts of the brewing water affect the perception of bitterness?

Answer 7

Carbonate and sulfate levels

Question 8

Bittering hops are most efficient with how many minutes of vigorous boil?

Answer 8

60 to 90 minutes

Question 9

Hops boiled for 10 to 40 minutes known as what? They contribute less bitterness, but retain some essentials oils.

Answer 9

Flavor hops

Question 10

What is the name for hops added during or after fermentation, which contribute a fresh hop aroma?

Answer 10

Dry hops

Question 11

British native hop variety: earthy, peppery and lemon-like character

Answer 11

Golding

Question 12

British native hop variety: earthy, with cedar, tobacco and floral notes

Answer 12

Fuggles

Question 13

British native hop variety: tea-like earthiness with light citrus notes

Answer 13

Challenger

Question 14

What continential hops provide a slightly peppery or woody spiciness, often with a soft floral or light citrus character?

Answer 14

Noble hops

Question 15

American native hop varieties: grapefruit and floral notes

Answer 15

Cascade and Centennial

Question 16

American native hop varieties: assertive pine-like or pine resin character, along with herbal and light citrus notes

Answer 16

Columbus and Chinook

Question 17

New-world hop variety: orange-blossom notes

Answer 17

Amarillo

Question 18

New-world hop variety: orangey or orange-rind character, often accompanied by tropical fruit notes such as mango, passion fruit and pineapple

Answer 18

Citra

Question 19

New-world hop variety: notes of grapefruit, pine and tropical fruit

Answer 19

Simcoe

Question 20

New-world hop variety: distinctive blueberry-like aroma, along with notes of tangerine, pineapple and ripe peaches

Answer 20

Mosaic