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High temperature extrusion cooking of rye was compared to conventional pressure cooking and cold liquefaction with commercial hemicellulase addition to improve the efficiency of ethanol fermentation. The influence of saccharification with added hemicellulases on non-starchy carbohydrates of rye as well as on some quality factors of mashes and stillages were examined. Laboratory experiments showed...
Comparison between ethanol producing bacteria Zymomonas mobilis (strain CCM 3881 and CCM 3883) and commercial yeast (D2, Bc-16a) was made using glucose medium. While the differences between bacteria and yeasts in low glucose medium (85.5 g/dcm3) were not of statistical importance, ethanol yield and sugars utilization were higher for Z. mobilis on medium with high concentration of glucose (150-250...
There was developed a little-work-consuming and non-expensive microdiffu- sion method of carboxyhaemoglobin determination in bloody in low range concentration. It can be used in the assessment of passive smokers' exposure to carbon monoxide. The amount of blood neccessary for the determination was 0.15 ml. An average precision of the developed method of the carbon monoxide determination (converting...
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