brassicasterol
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Brassicasterol (24-methyl cholest-5,22-dien-3β-ol) is a 28-carbon sterol synthesised by several unicellular algae (phytoplankton) and some terrestrial plants, like rape. This compound has frequently been used as a biomarker for the presence of (marine) algal matter in the environment, and is one of the ingredients in stigmasterol-rich plant sterols (Number E499 in the European numbering system).
Wikidata facts
- Mass
- 398.354866092
Show 4 more facts
- chemical formula
- C₂₈H₄₆O
- canonical SMILES
- CC(C)C(C)C=CC(C)C1CCC2C1(CCC3C2CC=C4C3(CCC(C4)O)C)C
- isomeric SMILES
- C[C@H](/C=C/[C@H](C)C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
- Commons category
- Brassicasterol
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Article
10 sectionsContents
- Chemical properties
- Solubility
- Degradation
- Chemical analysis
- Formation and occurrences
- Algal sources
- Use as a tracer for marine algae
- Brassicasterol / cholesterol ratio
- Multivariate analysis
- References
Brassicasterol (24-methyl cholest-5,22-dien-3β-ol) is a 28-carbon sterol synthesised by several unicellular algae (phytoplankton) and some terrestrial plants, like rape. This compound has frequently been used as a biomarker for the presence of (marine) algal matter in the environment, and is one of the ingredients in stigmasterol-rich plant sterols (Number E499 in the European numbering system).
There is some evidence to suggest that it may also be a relevant additional biomarker in Alzheimer's disease. More specifically, AD patients have lower levels of this sterol in their cerebrospinal fluid.
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