Adjuncts Preface Flashcards
What role have adjuncts played in brewing?
Adjuncts have played an important role in brewing, with some brewers seeing them as a cheap and inferior sugar source, while others use them to enhance beer quality and diversity.
What is the German Reinheitsgebot?
A purity law introduced in 1516 that allows only the use of water, malted barley, and hops to produce beer.
What is an adjunct?
A supplementary raw material other than malted barley that provides a source of fermentable sugars.
Why are adjuncts often used in brewing?
Adjuncts are often cheaper than malted barley and offer several benefits.
What are the two classifications of adjuncts?
Mash adjuncts and kettle/post kettle adjuncts.
Where are mash adjuncts added in the brewing process?
They are added to the mashing vessel.
What happens to starch in mash adjuncts?
The starch is converted into sugar.
When can kettle/post kettle adjuncts be added?
They can be added either to the kettle or later on in the brewing process.
What are basic cereal adjuncts?
Unmalted barley and wheat that can be milled as a very small proportion of the malted barley grist.
What problems can occur with excessive basic cereal adjuncts?
More than a very small percentage will cause wort separation and beer filtration problems.
What are raw grits and what do they require?
Raw grits are maize, rice, or sorghum that require cereal cooking due to high gelatinisation temperature.
What is the difference between flakes and raw grits?
Flakes have their starch gelatinised during flaking, while raw grits do not.
What happens to starch during the processes of torrefaction and micronisation?
Starch is gelatinised.
What are flour/starch adjuncts?
Raw products from maize, wheat, rice, and sorghum that require cereal cooking.
What are syrup adjuncts?
Fully converted products made from maize, wheat, barley, and sucrose, with no starch present.
Fill in the blank: An adjunct is a _______ raw material other than malted barley.
[supplementary]
True or False: Brewers outside of Germany are restricted by the Reinheitsgebot.
False
