Specifications for Brewing Malts Flashcards
What institutions develop and govern the methods for malt quality analyses?
IoB, EBC, and ASBC
What does the parameter ‘Moisture’ indicate in malt specifications?
The percentage of water content in the malt
What is the range of moisture percentage for two-row barley?
3.6-4.2%
Fill in the blank: The total nitrogen percentage for malt is measured in _______.
[IoB] / [EBC]
What is the significance of the Soluble Nitrogen Ratio (Kolbach Index)?
It indicates the amount of soluble nitrogen available for fermentation
What is the typical diastatic power range for six-row barley?
145-175 ˚Lintner
True or False: High β-glucan in malt can negatively affect wort separation and beer filtration.
True
What does ‘Friability’ refer to in malt analysis?
The ability of malt to break apart easily during the brewing process
What is the acceptable range for β-glucan in two-row barley?
75-125 mg/L
What does the term ‘Extract’ refer to in malt specifications?
The amount of fermentable sugars that can be extracted from the malt
What is the maximum color value (EBC) for malt?
4.5
What does the parameter ‘Diastatic Power’ measure?
The enzymatic activity of malt to convert starches into sugars
Fill in the blank: The parameter ‘Total Soluble Nitrogen’ is measured in _______.
[IoB] / [EBC]
What is the range of total protein percentage for six-row barley?
12.0-13.5%
What does a high Free Amino Nitrogen (FAN) level indicate?
A higher availability of nutrients for yeast during fermentation
What is the significance of the ‘Kolbach Index’ in malt analysis?
It indicates the quality of protein in malt
What is the acceptable turbidity level for malt?
<15 NTU
What does the parameter ‘Viscosity’ measure in malt?
The thickness of the wort during the brewing process
What is the maximum acceptable percentage of screenings < 2.2 mm for malt?
2%
What does the ‘Hot Water Extract’ parameter indicate?
The efficiency of starch conversion during mashing
Fill in the blank: The ‘Fine-coarse difference’ is measured in _______.
[%]
What does the term ‘Homogeneity’ refer to in malt specifications?
The uniformity of malt composition
What is the minimum diastatic power for malt according to the specifications?
45 ˚Lintner
