Other Liquid Adjuncts Flashcards
(16 cards)
What are liquid adjuncts in brewing?
Liquid adjuncts are used to provide novel flavours or help market the beer.
What is molasses?
Molasses is a by-product in the manufacturing of sugar from sugar cane or beet, containing higher concentrations of non-sugar components like minerals and vitamins.
What is the fermentable material percentage in molasses?
75% fermentable material.
What problems can iron in molasses cause in beer?
Iron can cause off-flavours and other problems with beer.
How is invert sugar made?
Invert sugar is made by heating a sucrose solution with an acid, causing hydrolysis to produce fructose and glucose.
What does ‘invert’ refer to in the context of invert sugar?
‘Invert’ refers to the change in rotation of light passed through the sugar as a result of hydrolysis.
What are the components of Belgian candi sugar?
Belgian candi sugar consists of solid crystals of sucrose coated with a coloured sugar product.
What is the process for producing candi sugar?
An 80% Brix sucrose solution is heated to 50°C until the appropriate amount of colour has formed, allowing crystals to form.
What is candi concentrate?
Candi concentrate is the coloured syrup left behind after removing the sucrose crystals during the production of candi sugar.
What is the difference between light and dark candi sugar?
Light candi sugar is at 225 EBC, while dark candi sugar is at 1900 EBC.
What is the composition of honey?
Honey contains 95% fermentable sugars, 38% fructose, 30% glucose, 8% various disaccharides, and 3% dextrins.
Why should honey be added after wort cooling?
To minimise the amount of honey aroma lost by evaporation.
What is melibiose?
Melibiose is a disaccharide of glucose and galactose that ale yeast cannot ferment, but lager yeast can.
What is a notable characteristic of agave nectar?
Agave nectar is derived from the plant used to make tequila.
Which syrup is mentioned as notable for adding attributes to beer flavour?
Maple syrup.
Fill in the blank: Molasses contains around _____ mg/kg of iron.
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