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Effect of Enzymes on the Quality of Beer/Wort Developed from Proportions of Sorghum Adjuncts

By Olu Malomo, Olugbenga Adebanjo, Ben Ogunmoyela, Solakunmi Omotunde Oluwajoba and Oluwadare Olumuyiwa Adekoyeni

Abstract

The effect of commercial enzymes on quality of wort developed from replacement of malted barley (100%) with sor-ghum as adjunct 50%, 60%, 70%, and 80 % was investigated for pH, colour, filteration rate, extract asin, dry extract, viscosity, total soluble nitrogen and free amino nitrogen. The wort pH (5.6- 6.0) is relatively stable with no significant changes at all levels of replacements. The colour is lighter with increment in proportion of the sorghum as it appears as colour diluents. Wort filteration rate is reduced with the sorghum replacement and the wort produced tends to be turbid which affects the utilization of the wort. The total soluble nitrogen and free amino nitrogen value increased with the use of commercial enzymes while the viscosity decreases with enzymes. The use of ceremix and cereflo have been found to be relatively more effective in the preparation of beer wort as observed for the result obtained in proportions of sorghum and malt barley. The use of high percentage sorghum as adjunct with commercial enzymes are found to be useful in production of high quality wort with low cost and profitability

Topics: Wort, Commercial Enzymes, Saccharification, Free Amino Nitrogen, Gelatinization
Year: 2012
DOI identifier: 10.4236/aim.2012.24057
OAI identifier: oai:CiteSeerX.psu:10.1.1.920.8651
Provided by: CiteSeerX
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