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EnglishThe compn. of sterol mixt. from the living fossil crinoid G. richeri collected off Noumea (New Caledonia) was investigated. The free 3β-OH sterol mixt. was found to contain 14 components, Δ5 and ring satd. stanols, identified by GC-MS. Cholest-4-en-3-one, cholesta-1,4-dien-3-one, 5α-8α-epidioxy sterols, and 5α-ergosta-7,22-diene-3β,5,6β-triol were also present, their characterization being accomplished by EI-MS and 1H-NMR. The methanol ext. also contained sterol sulfates, which were identified by GC-MS after solvolysis to remove the sulfate group.
http://hdl.handle.net/11386/3128709| Titolo: | Sterol composition of the "living fossil" crinoid Gymnocrinus richeri |
| Autori interni: | DE RICCARDIS, Francesco RICCIO, Raffaele |
| Data di pubblicazione: | 1991 |
| Rivista: | COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. B, COMPARATIVE BIOCHEMISTRY |
| Abstract: | The compn. of sterol mixt. from the living fossil crinoid G. richeri collected off Noumea (New Caledonia) was investigated. The free 3β-OH sterol mixt. was found to contain 14 components, Δ5 and ring satd. stanols, identified by GC-MS. Cholest-4-en-3-one, cholesta-1,4-dien-3-one, 5α-8α-epidioxy sterols, and 5α-ergosta-7,22-diene-3β,5,6β-triol were also present, their characterization being accomplished by EI-MS and 1H-NMR. The methanol ext. also contained sterol sulfates, which were identified by GC-MS after solvolysis to remove the sulfate group. |
| Handle: | http://hdl.handle.net/11386/3128709 |
| Appare nelle tipologie: | 1.1.1 Articolo su rivista con DOI |
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