Topic
Epibrassicasterol
About: Epibrassicasterol is a research topic. Over the lifetime, 7 publications have been published within this topic receiving 281 citations.
Papers
TL;DR: Differences in OM degradation processes are reflected in higher chlorin index values in the Brienz sediments but higher saturated vs. unsaturated n-FAs in the core from Lugano, which argues for the activity of methanogens and/or anaerobic methanotrophs.
78 citations
TL;DR: The major sterol in the two unicellular marine algae Cryptomonas sp.
52 citations
TL;DR: Six marine microalgal strains identified as belonging to the prymnesiophyte genus Isochrysis contain qualitative biochemical differences that appear to have taxonomic significance and may be important in the value of these algae as live feeds for rearing marine invertebrates.
35 citations
TL;DR: Biomarker compositions of particulate organic matter from the oligotrophic Lake Brienz and the eutrophic Lake Lugano are compared, in order to obtain information about organic matter (OM) production and transformation processes in relation to water column stratification.
33 citations
TL;DR: The occurrence of both isomers of 24-methyl-22-dehydrocholesterol in oysters is explained by the occurrence ofBoth isomers among algae which are probably dietary sources for oysters.
Abstract: 1. 1. Sterols were identified from eight isolates of five species in the Chromophycota that were cultured axenically and harvested in the stationary phase. 2. 2. Analyses were performed on four strains from the Prymnesiophyceae, two strains from the Cryptophyceae and one from the Bacillariophyceae. Most strains examined contained only one major sterol, 24-methyl-22-dehydrocholesterol. 3. 3. Analysis by capillary GC, HPLC, and in one instance NMR, showed that the two strains provisionally identified as Isochrysis contained brassicasterol (24β-methyl-22-dehydrocholesterol); whereas, all other species examined contained primarily epibrassicasterol (24α-methyl-22-dehydrocholesterol). 4. 4. Stigmasterol (24α-ethyl-22-dehydrocholesterol) accompanied epibrassicasterol in Pleurochrysis carterae. 5. 5. Analyses of C-24 alkyl isomers in these algae may provide useful information concerning their taxonomic placement. 6. 6. The occurrence of both isomers of 24-methyl-22-dehydrocholesterol in oysters is explained by the occurrence of both isomers among algae which are probably dietary sources for oysters.
30 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2009 | 2 |
| 2005 | 1 |
| 1996 | 1 |
| 1994 | 1 |
| 1990 | 1 |
| 1983 | 1 |