Now showing items 39-58 of 163

    • Derivatives of undecan-x-ones (x 2-6) synthesis and spectral data 

      Gibka, Julia; Gliński, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2006)
      Undecan-x-ones (x = 2-6) have been used as starting materials in the synthesis of ethylene and propylene acetals, undecan-x-ols and their acetates. Acetals were prepared in the reaction between ketones and ethane-1,2-diol ...
    • Determination of chromium in cocoa products 

      Turek, Monika; Sykuła, Anna; Jabłońska, Aneta; Pilo, Maria Itria; Noce, Antonia; Spanu, Francesco (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Tematyka tej pracy koncentruje się głównie na właściwościach fizyko-chemicznych chromu, toksyczności oraz jego zawartości w kakao. Została opisana również krótka historia odkrycia ziaren kakao i ich właściwości. Wykonano ...
    • Determination of nickel in tea by using dimethylglyoxime method 

      Sykuła, Anna; Turek, Monika; Mohit, Philip Mathew; Patai, Ferenc; Horvat, Martina; Jabłońska, Joanna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Tea is one of the most popular beverages in the world. Recent studies have shown that it contains concentrations of heavy metals such as nickel. Heavy metals are known to be toxic and there have been many studies on their ...
    • The determination of potentially allergenicity of selected herbs 

      Aninowski, Mateusz; Leszczyńska, Joanna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology Press, 2019)
      The aim of the research was to compare the content of allergens in herbs from the Lamiaceae (basil, oregano) and Apiaceae (cumin, fennel, parsley, anise, coriander) family. Herbal plants from conventional and organic crops ...
    • Determination of total contents of transition metals in selected granular black teas marketed in Poland 

      Sykuła, Anna; Brodowska, Katarzyna; Więdłocha, Marzenna (Wydawnictwa Politechniki ŁódzkiejLodz University of Technology. Press, 2014)
      The total contents of metals in three granulated black tea samples marketed in Poland were determined. Four elements consisting transition metals (Ni, Cu, Zn and Fe) were analyzed using flame atomic absorption spectrophotometry ...
    • Determination of total contents of transition metals in selected granular black teas marketed in Poland 

      Sykuła, Anna; Brodowska, Katarzyna; Więdłocha, Marzenna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2014)
      The total contents of metals in three granulated black tea samples marketed in Poland were determined. Four elements consisting transition metals (Ni, Cu, Zn and Fe) were analyzed using flame atomic absorption spectrophotometry ...
    • Development Directions of the Raw Material Base of the Paper Industry with regard to the Sustainable Development Concept 

      Przybysz, Piotr; Buzała, Kamila (Institute of Biopolymers and Chemical FibresInstytut Biopolimerów i Włókien Chemicznych, 2014)
      Paper is one of the most common mass products used nowadays. Present paper consumption has reached almost 400 million metric tons globally. Such a huge volume of production requires stable and continuous supply of raw ...
    • Distribution of nitrogen compounds in important sections of sugar beets 

      Bąk, Paulina; Antczak-Chrobot, Aneta; Wojtczak, Maciej (Lodz University of Technology PressWydawnictwa Politechniki Łódzkiej, 2016)
      In literature the beet is often described as consisting of the following technologically important sections: crown, root and tail. The aim of the study was to determine the distribution of nitrogen compounds in the ...
    • Economic analysis for biogas plant working at sugar factory 

      Ogrodowczyk, Dominika; Olejnik, Tomasz P.; Kaźmierczak, Marta; Brzeziński, Stanisław (Lodz University of Technology PressWydawnictwa Politechniki Łódzkiej, 2016)
      Biogas is produced by the biological processes of anaerobic methane fermentation. It is a mixture of methane, carbon dioxide and trace amounts of other gases. By-products of the sugar industry are an efficient source of ...
    • The effect of immobilization in the PVA films on the fluorescence and phosphorescence lifetime of indole and its dervatives 

      Kowalska-Baron, Agnieszka; Choudhary, Preeti; Montes, Denise (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2011)
      This work is devoted to study how immobilization in the PVA films affects the fluorescence and phosphorescence lifetime of indole and its derivatives. The obtained results indicated that immobilization of the studied indoles ...
    • Effect of nitrogen sources on fermentation process and formation of hydrogen sulfide and ethyl carbamate by wine yeast 

      Nowak, Agnieszka; Koch-Wilk, Magdalena; Pogorzelski, Eugeniusz; Czyżowska, Agata (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2013)
      The addition of nitrogen compounds during winemaking is required for the fermentation process to be conducted properly. These compounds are known to be essential to the vinification process, not only because they influence ...
    • Effect of process cooking on dietary fiber content in lentil (Lens culinaris) from Poland 

      Rachwał-Rosiak, Danuta; Nebesny, Ewa; Budryn, Grażyna (Lodz University of Technology PressWydawnictwa Politechniki Łódzkiej, 2015)
      Legumes, including lentils are characterized by a high nutritional value, but their importance in Poland is low. Leading producers of lentils are Canada, India, Turkey and the United States [1]. In Poland, only recently ...
    • The effect of thyme and tea tree oils on morphology and metabolism of Candida albicans 

      Rajkowska, Katarzyna; Kunicka-Styczyńska, Alina; Maroszyńska, Marta; Dąbrowska, Mariola (Polish Biochemical SocietyCommittee of Biochemistry and Biophysics Polish Academy of Sciences, 2014)
      Members of Candida species cause significant problems in medicine and in many industrial branches also. In order to prevent from Candida sp. development, essential oils are more and more frequently applied as natural, ...
    • Effects of Dietary Addition of a Low-Pectin Apple Fibre Preparation on Rats 

      Fotschki, Bartosz; Jurgoński, Adam; Juśkiewicz, Jerzy; Kołodziejczyk, Krzysztof; Sójka, Michał (Institute of Animal Reproduction and Food Research of Polish Academy of SciencesInstytut Rozrodu Zwierząt i Badań ŻywnościPolska Akademia Nauk, 2014)
      The aim of this study was to scrutinise if the dietary addition of a low-pectin fibre preparation obtained from apple pomace, the by-product of apple concentrate processing, is able to favourably affect the gut metabolism, ...
    • Ekstrakcja białek przy użyciu odwróconych miceli 

      Matla, Martyna; Smętek, Anna; Pyć, Rita (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2011)
      Odwrócone micele, czyli mikroemulsje typu woda w oleju są trójskładnikowymi systemami, które składają się z wody, cząsteczek surfaktantu i rozpuszczalnika organicznego. Mogą one być wykorzystywane do ekstrakcji w układzie ...
    • Enzymatic liquefaction of apple pomace 

      Piątka, Dorota; Wilkowska, Agnieszka; Pogorzelski, Eugeniusz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Clarity is one of the most important quality criteria required in apple juices and wines. Haze formation during apple processing can be caused by homogalacturonan, rhamnogalacturonan, arabinogalactan, arabinan or ...
    • Essential oil composition and plant-insect relations in scots pine (Pinus sylvestris L.) 

      Maciąg, Agnieszka; Milaković, Dragana; Christensen, Henriette H.; Antolović, Vlatka; Kalemba, Danuta (Lodz University of Technology. PressWydawnictwo Politechniki Łódzkiej, 2007)
      A review of methods of isolation, chemical composition and biological activity of essential oil of different organs of Scots pine (Pinus sylvestris) was presented. The data on relation between herbivorous insects and plant ...
    • Evaluation of elimination diets, applied in allergy and food intolerance treatment in children 

      Pytasz, Urszula; Leszczyńska, Joanna; Przysławski, Juliusz; Szałapska, Małgorzata; Lewiński, Andrzej (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Data of an evaluation of daily alimentary rations in 49 children, aged between 1 and 3 years, with food allergy and in children with both allergy and food intolerance, was compared with 25 healthy controls. Thai evaluation ...
    • Evaluation of yeast cell vitality using different fluorescent dyes 

      Kręgiel, Dorota; Berłowska, Joanna (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Vitality of different industrial yeast strains was investigated using four standard fluorescent dyes by studying changes in microscopic evaluation of yeast nuclei and cell membranes. Fluorescent dyes were: acridine orange, ...
    • Experimental and theoretical investigation of drotaverine binding to bovine serum albumin 

      Gałęcki, Krystian; Courtade, Gaston; McFall, Aisling; Prieschl, Teixeira Renata; Grgic, Maja; Esteve-Sistere, Marta; Maglemose, Westphalen Rikke; Kowalska-Baron, Agnieszka (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2013)
      This study was motivated by the need to provide more insight into the possible mechanism of the intermolecular interactions between antispasmodic drug drotaverine and one of the serum albumins (BSA), with the aim to indicate ...