Sterol composition of Aureoumbra lagunensis, the Texas brown tide alga |
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Authors: | Giner J L Li X Boyer G L |
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Institution: | Department of Chemistry, SUNY-ESF, Syracuse, NY 13210, USA. jlginer@syr.edu |
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Abstract: | 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 (24R)-24-propylcholesterol (5.2%). Trace amounts of 24-methylenecholesterol, crinosterol, clerosterol, campesterol, dihydrobrassicasterol, and 24-isopropylcholesterol were also detected. |
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