Sökning: "extracts"

Visar resultat 1 - 5 av 325 avhandlingar innehållade ordet extracts.

  1. 1. Toxicity assessment of lipophilic extracts from environmental samples

    Författare :Magnus Engwall; Uppsala universitet; []

    Sammanfattning : .... LÄS MER

  2. 2. Assembly characteristics of xylan rich extracts from birch

    Författare :Peter Westbye; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Xylan; Cellulose fibres; Adsorption; glucuronoxylan; Extraction; Aggregates; Solution properties;

    Sammanfattning : The greenhouse effect is one of the most important environmental problems that mankind has to solve. One solution could be the utilization of biomass to create new materials and fuels. Traditionally wood has been used as timber and as a raw material for pulp and paper production. LÄS MER

  3. 3. In Vitro Availability of Iron in High-Tannin Sorghum. Effect of Enzymatic Oxidation of Phenolic Compounds

    Författare :Erika Matuschek; Chalmers University of Technology; []
    Nyckelord :bioavailability; catechol groups; polyphenols; polyphenol oxidase; iron; in vitro availability; tyrosinase; fruit extracts; sorghum; oxidation; tannins; galloyl groups;

    Sammanfattning : Iron deficiency anemia is the most common nutritional disorder in the world. In low income countries, it is to a large extent caused by low bioavailability of iron in the vegetable diet. Vegetable diets contain large amounts of compounds that inhibit iron absorption, e.g. LÄS MER

  4. 4. Ugandan medicinal plants used traditonally for oral care : investigation of extracts for anti-bacterial, cytotoxic and anti-inflammatory effects

    Författare :Francis Ocheng; Karolinska Institutet; Karolinska Institutet; []

    Sammanfattning : The use of traditional medicine for treating human diseases remain widespread in low-resource settings. Medicinal plants form the backbone for traditional medicine systems in many parts of the world. In Uganda, most communities rely on medicinal plants to prevent and treat oral diseases. LÄS MER

  5. 5. Purification, Stereoisomeric Analysis and Quantification of Biologically Active Compounds in Extracts from Pine Sawflies, African Butterflies and Orchid Bees

    Författare :Joakim Bång; Erik Hedenström; Kristina Sjödin; Hans-Erik Högberg; Anna-Karin Borg-Karlsson; Mittuniversitetet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Semiochemicals; sex pheromone; pine sawflies; Bicyclus; Euglossa; chiral separation; derivatisation; GC-­MS; Organic chemistry; Organisk kemi;

    Sammanfattning : Stereochemistry plays an important role in nature because biologically important molecules such as amino acids, nucleotides and sugars, only exist in enantiomerically pure forms. Semiochemicals carry messages, between the same species (pheromones) and between different species (allelochemicals). LÄS MER