Sökning: "Oils and fats"

Visar resultat 1 - 5 av 10 avhandlingar innehållade orden Oils and fats.

  1. 1. On the Extraction of Essential Oils by Supercritical Carbon Dioxide and its Influence on the Mesomorphic Phase Structures

    Författare :José da Cruz Francisco; Kemiska institutionen; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Natural oils; fats and waxes technology; Naturliga oljor; fetter; vax; Kemiteknik och kemisk teknologi; Chemical technology and engineering; Livsmedelsteknik; Food and drink technology; phase behavior; soybean lecithin; monoolein; cineole; terpenes; eucalyptus; extraction; Essential oils; supercritical carbon dioxide;

    Sammanfattning : A comparison of essential oils from leaves of Eucalyptus camaldulensis Dehn. obtained by hydrodistillation (HD) and supercritical carbon dioxide (SC-CO2) extraction is presented. Selected major components of the oils showed a predominance of higher molecular weight components in the SC-CO2 extracts than in those obtained by HD. LÄS MER

  3. 2. Early dietary exposure is associated with allergy development in the FARMFLORA birth cohort

    Författare :Karin Jonsson; Chalmers tekniska högskola; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Breast milk; Allergy; Introduction of solids; Early life nutrition; Farm children; Dietary pattern; Serum; Dairy farm; Atopy; Fatty acid composition;

    Sammanfattning : The allergy prevalence is markedly low in children growing up on farms. Contact with livestock and consumption of unpasteurized milk has been associated with allergy protection, although other elements in the environment may contribute. LÄS MER

  4. 3. Dietary diversity and its relation with health among the older population in Thailand

    Författare :Chalobol Chalermsri; Syed Moshfiqur Rahman; Eva-Charlotte Ekström; Shirin Ziaei; Weerasak Muangpaisan; Lisette C.P.G.M. de Groot; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Dietary diversity; Food choice; Socio-demographic characteristics; Cardiovascular disease; Mortality; older people; Thailand; Nutrition; Nutrition;

    Sammanfattning : The role of dietary diversity (DD) in the health status among older people has been recognised. However, the evidence from lower-and-middle-income countries is scarce. LÄS MER

  5. 4. Deactivation of Catalysts and Reaction Kinetics for Upgrading of Renewable Oils

    Författare :Prakhar Arora; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HVO; Kinetic modeling; Catalyst deactivation; NiMo; Advanced biofuels; Catalyst; Hydrodeoxygenation;

    Sammanfattning : The transport sector is one of the main contributors of greenhouse gas emissions in the world. Advanced biofuels from renewable oils can play a decisive role in reducing carbon emissions from the transport sector. Advanced biofuels from waste streams like tall oil, used cooking oil etc. LÄS MER

  7. 5. Lipase-catalyzed production of structured triacylglycerols

    Författare :Ariana Causevic; Bioteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Structured lipids; Lipase; Acyl migration; Immobilization; Lipid analysis; Transesterification; Water activity;

    Sammanfattning : Vegetable oils and fats are major energy sources but also play an essential part in the physical and chemical properties of food products. The current change in the climate is affecting harvest yields, leading to a shortage and increased prices of raw materials that are difficult to replace. LÄS MER