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Skrobię ziemniaczaną o wilgotności 25% poddano ekstruzji w jednoślimakowym ekstruderze laboratoryjnym w temperaturze 60-70-80°C w celu wytworzenia nośnika do immobilizacji komórek drożdżowych. Uzyskany nośnik wprowadzono do gęstwy drożdżowej na 48 godzin, a następnie przemyto wodą i poddano pilotażowej fermentacji etanolowej. Podczas trwania fermentacji co 2 dni pobierano nośnik do badań. Oznaczano...
In the presented work the effects of 3-year own investigations relative to technological usability of potato tubers of parental cultivar and its genetically-modified clones were recapitulated. Potato tubers of cultivar Irga were transformed with viral genome sequences in order to improve their resistance to a necrotic strain of potato virus Y (PVYN) at the Institute of Biochemistry and Biophysics,...
Research was conducted to recognize interrelations between morphology and mechanical properties of starch. Microscopic examination, determination of particle size distribution, as well as direct shear and uniaxial compression testing were performed on five types of starch extracted out of: potato, wheat, corn, tapioca and amaranth. Regarding geometrical features (morphology) of granules, three distinct...
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