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Extraction of natural pigments from marine macroalgae waste

Title
Extraction of natural pigments from marine macroalgae waste
Type
Article in International Conference Proceedings Book
Year
2020-09-04
Authors
Manuel Fonseca Almeida
(Author)
FEUP
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Joana Dias
(Author)
FEUP
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Maria Beatriz P. P. Oliveira
(Author)
FFUP
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Susana Machado
(Author)
FFUP
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Sílvia Maria F. Bessada
(Author)
FFUP
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Conference proceedings International
Pages: 181-186
5th International Conference Wastes: Solutions, Treatments and Opportunities, 2019
4 September 2019 through 6 September 2019
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Authenticus ID: P-00R-RTT
Resumo (PT):
Abstract (EN): The need to replace synthetic pigments and the richness of marine macroalgae in natural pigments make their study relevant as a source of such valuable compounds. In the present study, marine macroalgae waste collected at a Northern Portugal beach was used aiming pigments extraction. Saccorhiza polyschides (brown algae) was the most abundant specie. The biomass (freeze-dried and ground to <1 mm) was subjected to pigments extraction using six different solvents and their amounts were evaluated through their maximum absorption using UV spectrophotometry. The results showed as promising the use of marine macroalgae waste as a natural source of pigments and acetone as the best solvent for extraction, followed by methanol. Chlorophyll a was found as the predominant pigment in the biomass with a maximum of 1685 µg g¿1 extracted using 90% acetone. Carotenoids and fucoxanthin could also be extracted with methanol (174 µg g¿1 ) and DMSO (252 µg g¿1 ), respectively. © 2020 Taylor & Francis Group, London, UK.
Language: English
Type (Professor's evaluation): Scientific
Notes: S. L. Pardilhó, S. Machado, S. M. F. Bessada, M. F. Almeida, M. B. P. P. Oliveira, J. M. Dias (2019), Extraction of natural pigments from marine macroalgae waste, Wastes: Solutions, Treatments and Opportunities III (pp. 181-186). Vilarinho, Castro, Gonçalves & Lopes (eds.). London: Taylor & Francis Group, ISBN: 978-0-367-25777-4
No. of pages: 6
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Related Publications

Of the same authors

Marine Macroalgae Waste from Northern Portugal: A Potential Source of Natural Pigments? (2020)
Article in International Scientific Journal
Sara Pardilhó; S. Machado; S. M. F. Bessada; M. F. Almeida; M. B. Oliveira; J. M. Dias
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