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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied phycology 3 (1991), S. 259-264 
    ISSN: 1573-5176
    Keywords: vitamin analysis ; HPLC ; algae ; Tetraselmis suecica ; Isochrysis galbana ; Pavlova lutheri ; Skeletonema costatum ; Chaetoceros calcitrans ; Sargassum muticum ; cosmetology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Vitamin analysis was carried out on five microalgae used in aquaculture:Tetraselmis suecica, Isochrysis galbana, Pavlova lutheri, Skeletonema costatum andChaetoceros calcitrans and one macroalga,Sargassum muticum, which is invasive on the Atlantic shores of France. Both liposoluble (provitamin A, E, K) and hydrosoluble (B1, B2, B6, B12, C, PP) vitamins were quantified. For most of them, greater amounts were obtained in the algal products than in the usual sources. On a dry weight basis,Tetraselmis suecica contained 4280 μg g−1 provitamin A and 6323 μg g−1 vitamin E,Pavlova lutheri 1162 μg g−1 vitamin B12 and 837 μg g−1 vitamin C,Isochrysis galbana 2690 μg g−1 vitamin PP and 183 μg g−1 vitamin B6, andSkeletonema costatum 710 μg g−1 vitamin B1.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied phycology 10 (1998), S. 131-134 
    ISSN: 1573-5176
    Keywords: Free amino acids ; HPLC ; microalgae ; Tetraselmis suecica ; Isochrysis galbana ; Thalassiosira sp. ; Skeletonema costatum ; Chaetoceros calcitrans ; cosmetology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The HPLC separation of fluorescent o-phtaldialdehyde (OPA) derivatives has been applied to the assay of free amino acids from five microalgae commonly used in aquaculture: Tetraselmis suecica, Skeletonema costatum, Chaetoceros calcitrans, Thalassiosira sp. and Isochrysis galbana, as part an assessment of their potential use in cosmetic products. Thirteen free amino acids were analyzed using High Performance Liquid Chromatography. There were considerable differences between species. However, four amino acids were responsible for more than 60% total concentration in all species: ASP, GLU, ARG and TYR; the next most important (accounting for less than 30%) were: ALA, VAL, PHE and LYS.
    Type of Medium: Electronic Resource
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