Sterol composition of Aureoumbra lagunensis, the Texas brown tide alga

Aureoumbra lagunensis, the alga responsible for the “Texas brown tide”, contains ( E)-24-propylidenecholesterol (35.7% of total sterols) as its dominant sterol, in common with other members of the Pelagophyceae. Other major sterols are stigmasterol (22.2%), sitosterol (19.2%), cholesterol (14.1%), a...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 2001-07, Vol.57 (5), p.787-789
Main Authors: Giner, José-Luis, Li, Xiaoyong, Boyer, Gregory L
Format: Article
Language:English
Subjects:
24-Propylidenecholesterol
Algae
Algal sterols
Aureoumbra lagunensis
Biological and medical sciences
Chemotaxonomy
Chromatography, High Pressure Liquid
Fundamental and applied biological sciences. Psychology
Magnetic Resonance Spectroscopy
Marine
Pelagophyceae
Phaeophyceae - chemistry
Plant cytology, morphology, systematics, chorology and evolution
sitosterol
sterols
Sterols - chemistry
stigmasterol
Texas brown tide
Thallophyta
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Summary:Aureoumbra lagunensis, the alga responsible for the “Texas brown tide”, contains ( E)-24-propylidenecholesterol (35.7% of total sterols) as its dominant sterol, in common with other members of the Pelagophyceae. Other major sterols are stigmasterol (22.2%), sitosterol (19.2%), cholesterol (14.1%), and (24 R)-24-propylcholesterol (5.2%). Trace amounts of 24-methylenecholesterol, crinosterol, clerosterol, campesterol, dihydrobrassicasterol, and 24-isopropylcholesterol were also detected. The sterol composition of Aureoumbra lagunensis, the causative organism of the Texas brown tide is described.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(01)00135-2