Technical content surrounding brewing Malt
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| What is malt? | Malt is any grain that has been "tricked" into sprouting, converting starches into sugars.
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| Name two major categories of malt used in brewing. | 1) Base Malt
2) Specialty Malts
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| What are base malts? | Base malts make up the bulk of the fermentable mash. Consider this the foundation of the beer being brewed.
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| Name two types of base malts. | 1) 2 row barley
2) 6 row barley
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| What kind of base malt is North America typically associated with? | 6 row barley
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| What are Specialty Malts? | Malts used to add specific color and/or flavors.
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| What is another name for Specialty Malts? | Character Malts
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| Name three types of Specialty Malts: | - Crystal Malt
- Peated Malt
- Black Malt
- Biscuit Malt
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| What is the Acrospire? | The sprout at the end of a seed when it begins to germinate.
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| Why is 6 row barley harder to brew with? | Higher protein content results in greater amount of protein-polyphenol complexes during wort boiling & cooling, as well as increased problems with haze in the beer. The husk of the malt is high in tannins that contribute to haze, and astringent tastes.
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| How are the weaknesses of 6 row barley tempered? | With the use of adjuncts, rice and corn typically.
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| Why is the Endosperm of the Malt important? | It provides the starches and proteins used to provide energy to the Acrospire.
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| Briefly describe the malting process. | Grains are steeped for 2-3 days. Germinated for 6 - 10 days. Dried to inhibit further growth. Kilned to achieve color and flavor.
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| Name the contents of malt. | - Sugar & Starches
- Enzymes
- Proteins
- Tannins
- Polyphenols, Cellulose
- Nitrogenous compounds
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| Name three types of enzymes found in malt. | - Diastatic
- Proteolytic
- Debranching
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| Name the two types of diastatic enzymes found in malt. | - Alpha Amylase
- Beta Amylase
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| What is the function of the diastatic enzymes? | It is an enzyme group that converts starches to sugars.
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| Name four categories of adjuncts. | - Unmalted grain
- Honey
- Sugars
- Fruits and Fruit Juices
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