Journal ArticleDOI
Occurrence of (24S)-24-methylcholesta-5, 22E-dien-3β-ol in the diatom Phaeodactylum tricornutum
Ian Rubinstein,L. John Goad +1 more
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TLDR
The principal sterol of the marine diatom tricornutum was identified as (24S)-24-methylcholesta-5,22E-dien-3β-ol as discussed by the authors.About:
This article is published in Phytochemistry.The article was published on 1974-02-01. It has received 78 citations till now. The article focuses on the topics: Phaeodactylum tricornutum & Diatom.read more
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A review of sterol markers for marine and terrigenous organic matter
TL;DR: It is indicated that inferences drawn from sterol distributions regarding sources of organic matter must be made with caution and should be supported using other lipid data, and that in ancient sediments and crude oils a high proportion of C 29 steranes need not indicate that most of the organic matter was derived from vascular plants.
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Sterols as ecological indicators
Wen-Yen Huang,W. G. Meinschein +1 more
TL;DR: Plots of the C-27, C-28 and C-29 sterol contents of marine plankton, higher plants, soils, and marine sediments form discrete areas in a triangular diagram as mentioned in this paper.
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Sterols in microorganisms.
TL;DR: This review describes the variety of sterol structures found in microalgae, yeasts, fungi, protozoans and microheterotrophs, and possible application areas for sterols derived from mass culture of micro algae and other microorganisms are highlighted.
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Chemical fossils: the geological fate of steroids.
TL;DR: Steroids are used to illustrate some of the significant advances that have been made in recent years in understanding the biological origin and geological fate of the organic compounds in sediments, where biological marker compounds are valuable in the assessment of sediment maturity and in correlation work.
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The 220 MHz NMR spectra of phytosterols
TL;DR: In this paper, the 220MHz NMR spectra of forty two steroids were reported and the influence of substituents, solvents and stereochemistry on methyl group chemical shifts was discussed.
References
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Journal ArticleDOI
The distribution of sterols in algae
TL;DR: Gas and thin layer chromatography and mass spectroscopy in particular, have been used to resolve some of the confusion concerning the sterol composition of algae.
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Observations on Phaeodactylum tricornutum.
TL;DR: Phaeodactylum tricornutum Bohlin was isolated from a marine tank at Woods Hole, Mass., U.S.A. and appeared to be identical with the Plymouth strain of ‘Nitzschia closterium forma minutissima’, but details of the life cycle remain to be worked out.
Journal ArticleDOI
NMR spectra of C-24 isomeric sterols
TL;DR: In this article, the NMR spectra of four pairs of C-24 isomeric sterols, Campesterol, 22,23-dihydrobrassicasterol, α-spinasterol-chondrillasterol and stigmasterol-poriferasterol were studied by NMR-based spectroscopy and their spectra were presented.
Related Papers (5)
Sterol, fatty acid and elemental composition of diatoms grown in chemically defined media
D.M. Orcutt,Glenn W. Patterson +1 more