Sterol composition of three marine sponge species from the genus Cinachyrella |
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| Institution: | 1. Faculté de Pharmacie—Groupe SMAB—1, rue G. Veil, 44035 Nantes Cedex, France, Tel.: -40.41.28.28; Fax: 40.41.28.09;2. Département de Biologie Végétale, Faculté des Sciences, Université Cheikh Anta Diop de Dakar, Dakar, Sénégal France;3. Dipartimento di Chimica delle Sostanze Naturali, Via Montesano 49, 80131 Napoli, Italia;4. Centre ORSTOM de Nouméa, B.P. A5, Nouméa Cédex, Nouvelle Calédonie France;5. Centre d''Océanologie de Marseille, Station Marine d''Endoume, 13007 Marseille, France;1. Academy of Scientific and Innovative Research, CSIR-Institute of Himalayan Bioresource Technology, Himachal Pradesh, Palampur 176061, India;2. Natural Plant Products Division, CSIR-Institute of Himalayan Bioresource Technology, Himachal Pradesh, Palampur 176061, India;3. Biotechnology Division, CSIR- Institute of Himalayan Bioresource Technology, Himachal Pradesh, Palampur 176061, India;1. Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, and Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China;2. State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing 10080, China;3. Shimadzu China Corporation, China MS Center, Beijing Branch, Beijing 100020, China;1. Key Laboratory of Plant Resources Conservation and Sustainable Utilization/Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China;2. Guangdong Provincial Key Laboratory of Bio-Control for the Forest Disease and Pest, Guangdong Academy of Forestry, Guangzhou 510520, China;3. Shaanxi Academy of Traditional Chinese Medicine, Xian 710003, China;4. College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China |
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| Abstract: | - 1.1. The hitherto undescribed sterol compositions of three marine sponge species belonging to the genus Cinachyrella are reported: C. alloclada and C. kükenthali from the Senegalese coast, at two different depths, and C. aff. schulzei from the lagoon of Nouméa, New Caledonia.
- 2.2. Fourteen free sterols have been identified by GC and GC/MS studies, including the 23,24ξ-dimethylcholesta-5,22-dien-3β-ol (10) and the rare 24-norcholesta-5,22-dien-3β-ol (1).
- 3.3. The first compound (10) is reported for the second time in a marine sponge and it was found only in Senegalese sponges collected in shallow waters.
- 4.4. Sterol (10) has been isolated by HPLC and identified by NMR techniques.
- 5.5. Significant amounts of cholest-7-en-3β-ol (7) were also found in the Senegalese sponge species.
- 6.6. Apart from these two compounds, the three sponge sterol compositions are found to be very similar.
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