The aim of the work was to determine the mashing efficiency during obtaining of malt extracts in brewing industry. The materials used in this study were malting worts, obtained as a result of mashing of the mixture of malt with maize (com) grits or fine grits (10-80% of charge) and 5% addition of black malt. Unmalted raw material was or wasn't gelatinized. Mashing was differently carried out: without additives or with enzymatic preparation Ultraflo L addition. The colour ability of extracts from special malts were determined and described in the previous article 161. The materials used in the second study were malting worts, obtained as a result of mashing of the mixture of malt with maize grits or fine grits (40-80% of charge). Gelatinization of unmalted raw material was differently carried out: without additives or with enzymatic preparation Termamyl SC addition, whereas mashing - without additives or with preparation of Ceremix 6X MC or Ceremix Plus MC. In both studies was calculated mashing efficiency as a function of the volume and extract content in obtained worts. Mashing efficiency at /east at the level of all malt was achieved through mashing of the mixture of Pilsner type malt with 5% addition of black malt and with up to 50% addition of maize grits or up to 40% of fine grits in the presence of Ultraflo L preparation. The greatest efficiency of mashing of the mixture of Pilsner type malt with 40-80% addition of milled maize products was achieved through the addition of maize grits and fine grits gelatinized in the presence of Termamyl SC or mashing of the mixture in the presence of Ceremix preparation.
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