Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/56909 |
Resumo: | Gracilaria tikvahiae, an endemic western North Atlantic red alga, was cultivated for nutrient bioextraction in urbanized estuarine waters in Long Island Sound and the Bronx River Estuary, USA. This study assesses the feasibility of an integrated approach of using G. tikvahiae produced in this bioextraction system as sustainable biomass source for agar production. Agars were extracted after alkaline pre-treatment and characterized in terms of gelling strength, chemical composition, chemical structure and gel structure. Results indicated that this seaweed performed similar to other cultivated Gracilaria in terms of extraction yield and gelling strength of the agar. Differences between sites were not significant in terms of agar gel strength, though yield was higher at Long Island Sound. The extracted agars were sulfated, methylated and with no detectable pyruvate substituents. It is possible to use an integrated strategy of nutrient bioextraction in urbanized estuarine waters and agar exploitation with G. tikvahiae. |
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Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farmsAgarExtractionYieldGel strengthNutrient bioextractionGracilaria tikvahiaeScience & TechnologyGracilaria tikvahiae, an endemic western North Atlantic red alga, was cultivated for nutrient bioextraction in urbanized estuarine waters in Long Island Sound and the Bronx River Estuary, USA. This study assesses the feasibility of an integrated approach of using G. tikvahiae produced in this bioextraction system as sustainable biomass source for agar production. Agars were extracted after alkaline pre-treatment and characterized in terms of gelling strength, chemical composition, chemical structure and gel structure. Results indicated that this seaweed performed similar to other cultivated Gracilaria in terms of extraction yield and gelling strength of the agar. Differences between sites were not significant in terms of agar gel strength, though yield was higher at Long Island Sound. The extracted agars were sulfated, methylated and with no detectable pyruvate substituents. It is possible to use an integrated strategy of nutrient bioextraction in urbanized estuarine waters and agar exploitation with G. tikvahiae.NFWF -Ministry of Education(8012.08.030370)info:eu-repo/semantics/publishedVersionElsevierUniversidade do MinhoRocha, Cristina M. R.Sousa, Ana M. M.Kim, Jang K.Magalhães, Júlia M. C. S.Yarish, CharlesGonçalves, Maria do Pilar2019-042019-04-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/56909engRocha, Cristina M. R.; Sousa, Ana M. M.; Kim, Jang K.; Magalhães, Júlia M. C. S.; Yarish, Charles; Gonçalves, Maria do Pilar, Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms. Food Hydrocolloids, 89, 260-271, 20190268-005X0268-005X10.1016/j.foodhyd.2018.10.048http://www.elsevier.com/locate/issn/0268005Xinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:37:59Zoai:repositorium.sdum.uminho.pt:1822/56909Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:34:20.942950Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
title |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
spellingShingle |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms Rocha, Cristina M. R. Agar Extraction Yield Gel strength Nutrient bioextraction Gracilaria tikvahiae Science & Technology |
title_short |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
title_full |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
title_fullStr |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
title_full_unstemmed |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
title_sort |
Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms |
author |
Rocha, Cristina M. R. |
author_facet |
Rocha, Cristina M. R. Sousa, Ana M. M. Kim, Jang K. Magalhães, Júlia M. C. S. Yarish, Charles Gonçalves, Maria do Pilar |
author_role |
author |
author2 |
Sousa, Ana M. M. Kim, Jang K. Magalhães, Júlia M. C. S. Yarish, Charles Gonçalves, Maria do Pilar |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Rocha, Cristina M. R. Sousa, Ana M. M. Kim, Jang K. Magalhães, Júlia M. C. S. Yarish, Charles Gonçalves, Maria do Pilar |
dc.subject.por.fl_str_mv |
Agar Extraction Yield Gel strength Nutrient bioextraction Gracilaria tikvahiae Science & Technology |
topic |
Agar Extraction Yield Gel strength Nutrient bioextraction Gracilaria tikvahiae Science & Technology |
description |
Gracilaria tikvahiae, an endemic western North Atlantic red alga, was cultivated for nutrient bioextraction in urbanized estuarine waters in Long Island Sound and the Bronx River Estuary, USA. This study assesses the feasibility of an integrated approach of using G. tikvahiae produced in this bioextraction system as sustainable biomass source for agar production. Agars were extracted after alkaline pre-treatment and characterized in terms of gelling strength, chemical composition, chemical structure and gel structure. Results indicated that this seaweed performed similar to other cultivated Gracilaria in terms of extraction yield and gelling strength of the agar. Differences between sites were not significant in terms of agar gel strength, though yield was higher at Long Island Sound. The extracted agars were sulfated, methylated and with no detectable pyruvate substituents. It is possible to use an integrated strategy of nutrient bioextraction in urbanized estuarine waters and agar exploitation with G. tikvahiae. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-04 2019-04-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1822/56909 |
url |
http://hdl.handle.net/1822/56909 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Rocha, Cristina M. R.; Sousa, Ana M. M.; Kim, Jang K.; Magalhães, Júlia M. C. S.; Yarish, Charles; Gonçalves, Maria do Pilar, Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms. Food Hydrocolloids, 89, 260-271, 2019 0268-005X 0268-005X 10.1016/j.foodhyd.2018.10.048 http://www.elsevier.com/locate/issn/0268005X |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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1799132864280788992 |