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Identification of selected seaweed polysaccharides (phycocolloids) by vibrational spectroscopy (FTIR-ATR and FT-Raman)

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Pereira, Leonel, Amado, Ana M., Critchley, Alan T., van de Velde, Fred, Ribeiro-Claro, Paulo J.A.·2009·Food Hydrocolloids

Abstract

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.

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Metadata

Authors
Pereira, L., Amado, A. M., Critchley, A. T., van de Velde, F., & Ribeiro-Claro, P. J. A.
Venue
Food Hydrocolloids
Publisher
Elsevier BV
Published
2009-10
Volume
23
Issue
7
Pages
1903-1909
ISSN
0268-005X (ISSN-L)
OpenAlex
W2091608194
Cited by
513
References
0
FWCI
13.46
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Identification of selected seaweed polysaccharides (phycocolloids) by vibrational spectroscopy (FTIR-ATR and FT-Raman). https://app.cochat.ai/papers/10.1016/j.foodhyd.2008.11.014
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Pereira, L., Amado, A. M., Critchley, A. T., van de Velde, F., & Ribeiro-Claro, P. J. A. (2009). Identification of selected seaweed polysaccharides (phycocolloids) by vibrational spectroscopy (FTIR-ATR and FT-Raman). Food Hydrocolloids. https://doi.org/10.1016/j.foodhyd.2008.11.014

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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