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https://hdl.handle.net/10316/9985
Título: | Identification of selected seaweed polysaccharides (phycocolloids) by vibrational spectroscopy (FTIR-ATR and FT-Raman) | Autor: | Pereira, Leonel Amado, Ana M. Critchley, Alan T. Velde, Fred van de Ribeiro-Claro, Paulo J. A. |
Palavras-chave: | Polysaccharides; Seaweed; Phycocolloids; Carrageenan; FTIR-ATR; FT-Raman; Vibrational Spectroscopy | Data: | 31-Jan-2011 | Citação: | Food Hydrocolloids. In Press, Corrected Proof: | Título da revista, periódico, livro ou evento: | Food Hydrocolloids | Volume: | 23 | Resumo: | The wide industrial application of phycocolloids (e.g. alginates, agar and carrageenans) is based on their particular properties to form gels in aqueous solution. These seaweed polysaccharides present a chemical structure related with the taxonomic position of the algae: carrageenans are produced by carrageenophytes (red algae belonging mainly to the genera Kappaphycus, Eucheuma, Chondrus, Gigartina and Chondracanthus). Recently, new spectroscopic techniques have provided more accurate identification of the natural composition of the polysaccharides produced by these seaweeds. With the combination of two spectroscopic techniques (FTIR-ATR and FT-Raman) it is possible to identify the principal seaweed colloids in ground seaweed samples as in extracted material. Since the seaweed samples receive the minimum of handling and treatment (e.g. they are simply dried and ground), the composition determined represents, as accurately as possible, the native composition of the phycocolloids. | URI: | https://hdl.handle.net/10316/9985 | DOI: | 10.1016/j.foodhyd.2008.11.014 | Direitos: | embargoedAccess |
Aparece nas coleções: | FCTUC Ciências da Vida - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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FOOHYD1325.pdf | 566.82 kB | Unknown | Ver/Abrir |
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