Analysis of carotenoids

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Thesis for the degree of Doctor of Philosophy: Aquatic plants (Azolla filiculoides, Azolla pinnata, Landoltia punctata) and protists, thraustochytrids as renewable and sustainable sources of protein, phenolic, carotenoids and omega-3 fatty acids

This study "Aquatic plants (Azolla filiculoides, Azolla pinnata, Landoltia punctata) and protists, thraustochytrids as renewable and sustainable sources of protein, phenolic, carotenoids and omega-3 fatty acids" provides important information on culturing Azolla (A. filiculoides and A. pinnata), duckweed (L. punctata) and thraustochytrids. It also represents a comprehensive analysis of two Azolla species (A. filiculoides and A. pinnata), one duckweed species (L. punctata) and two new thraustochytrids, all of which are capable of producing valuable biomolecules.

194p runordie3 06-07-2022 7 2 Download

Carotenoid determination in recent marine sediments - practical problems during sample preparation and HPLC analysis

An analytical procedure for the analysis of carotenoids in marine sediments rich in organic matter has been developed. Analysis of these compounds is difficult; the application of methods used by other authors required optimization for the samples studied here.

14p tocectocec 25-05-2020 27 1 Download

Báo cáo Y học: Interallelic complementation provides genetic evidence for the multimeric organization of the Phycomyces blakesleeanus phytoene dehydrogenase

The Phycomyces blakesleeanus wild-type is yellow, because it accumulates b-carotene as the main carotenoid. A new carotenoid mutant of this fungus (A486) was isolated, after treatment with ethyl methane sulfonate (EMS), showing a whitish coloration. It accumulates large amounts of phytoene, small quantities of phyto¯uene, f-carotene and neurosporene, in decreasing amounts, and traces of b-carotene. This phenotype indicates that it carries a leaky mutation aecting the enzyme phytoene dehydrogenase (EC 1.3.-.-), which is speci®ed by the gene carB....

7p research12 01-06-2013 44 5 Download
Báo cáo khoa học: The Mycobacterium tuberculosis ORF Rv0654 encodes a carotenoid oxygenase mediating central and excentric cleavage of conventional and aromatic carotenoids

Mycobacterium tuberculosis, the causative agent of tuberculosis, is assumed to lack carotenoids, which are widespread pigments fulfilling important functions as radical scavengers and as a source of apocarotenoids. In mam-mals, the synthesis of apocarotenoids, including retinoic acid, is initiated by theb-carotene cleavage oxygenases I and II catalyzing either a central or an excentric cleavage of b-carotene, respectively.

12p viettel02 19-02-2013 29 2 Download