BrewingTechniques


Table I: Relative FAN utilization rates.
Wort Type Fermentation
Time (h)
Itital FAN
(mg/L)
Utilized FAN
(mg/L)
FAN Utilized
(%)
Standard all-malt wort 51 220 178 81
Fastest fermenting
extract wort
45 317 154 49
Medium fermenting
extract wort
75 210 46 22
Slowest fermenting
extract wort
173 80 15 19

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Table II: Carbohydrate profiles of malt extracts tested.
Group Class Samples Labeling Carbohydrates
1 1 14 pure malt extract similar to reference wort
1 2 6 pure malt extract high d-glucose content
1 3 1 pure malt extract nearly entirely d-glucose
2 1 4 barley syrup matched literature values
2 2 11 barley syrup + malt matched literature values
3 1 2 malt + corn syrup matched literature values
3 2 1 malt + invert syrup apparently extra sucrose
3 3 5 malt + sugar as expected

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