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Chemical Profile of the Sulphated Saponins from the Starfish Luidia senegalensis Collected as by-Catch Fauna in Brazilian Coast |
| Marcelo Marucci Pereira Tangerina1,2, Júlia Pizarro Cesário1, Gerson Rodrigues Raggi Pereira1, Tania Márcia Costa1, Wagner Cotroni Valenti1, Wagner Vilegas1 |
1 UNESP-Univ Estadual Paulista, Coastal campus of São Vicente, Praça Infante Dom Henrique s/n, São Vicente, SP 11330-900, Brazil;
2 Chemistry Institute, São Paulo State University-UNESP, Araraquara Campus, Prof. Francisco Degni, 55, SP, Araraquara 14800-060, Brazil |
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Abstract The by-catch fauna of the shrimp fishery includes a number of marine invertebrates that are discarded because they do not have commercial value. In order to try to add some value to these materials, we analyzed the chemical composition of the starfish Luidia senegalensis collected in the Brazilian coast as a consequence of the trawling fishery method. In order to access their chemical composition, we used a combination of solid phase extraction (SPE) followed by ultra-high performance liquid chromatography coupled to electrospray ionization ion trap tandem mass spectrometry (UPLC-ESI-IT-MSn). Luidia senegalensis contains asterosaponins, which are sulphated glycosilated steroids, containing five and six sugar moieties, in addition to polyhydroxysteroids. This study helped us to support the presence of important and potentially bioactive compounds in invertebrates associated to the by-catch fauna of the shrimp fishery, using a fast and efficient method.
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| Keywords
Luidia senegalensis
By-catch fauna
Asterosaponins
UPLC-MS
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| Fund:This study was financially supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP Grant 2012/19419-9 to W.V. and Grant 2011/23159-0 to M.M.P.T.) and by the National Council for Scientific and Technological Development (CNPq). We also thank Alvaro E. Migotto for the image for the Graphical Abstract. |
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Corresponding Authors:
Wagner Vilegas
E-mail: vilegasw@gmail.com
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Issue Date: 26 April 2018
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