Search for dissertations about: "carotene stability"

Found 2 swedish dissertations containing the words carotene stability.

2. 1. Determination of Fat-Soluble Vitamins in Foods Based on Supercritical Fluid Extraction

   Author : Charlotta Turner; Kemiska institutionen; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Supercritical fluid extraction; Solvent collection; Solid phase trapping; SFE; Selectivity; Retinol; Milk powder; Lipase; Food; Enzymatic hydrolysis; Alcoholysis; Candida antarctica; Tocopherol; Vitamins; Analytical chemistry; Analytisk kemi;

   Abstract : Sample clean-up methodologies based on supercritical fluid extraction (SFE) have been developed for determination of fat-soluble vitamins in foods. This thesis focuses on method development, stressing important issues concerning sample pre-treatment, extraction conditions and collection parameters. READ MORE

4. 2. UVA/B induced redox alterations and apoptosis in human melanocytes

   Author : Petra Wäster Larsson; Inger Rosdahl; Karin Öllinger; Ian Cotgreave; Linköpings universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; UV; melanocyte; apoptosis; glutathione; p53; Dermatology and venerology; Dermatologi och venerologi;

   Abstract : Malignant melanoma is one of the most rapidly increasing cancers and accounts for about three-quarter of all skin cancer deaths worldwide. Despite compelling evidence that ultraviolet (UV) irradiation causes melanoma the knowledge how various wavelength spectra affect the balance between proliferation and apoptosis controlling the homeostasis of the melanocyte population is still limited. READ MORE