Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris

Water-soluble extracts from seaweeds Macrocystis pyrifera (M) and Undaria pinnatifida (U) were prepared to use the polysaccharide bioactive fraction as functional food. Chemical analysis showed that the main components of both extracts were mannitol and fucoidans. Also in both cases minor amounts of...

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Detalles Bibliográficos
Publicado: 2017
Materias:
Bioactive compounds
Free radicals
Nutrition
Seaweeds
Shrimp
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0718560X_v45_n1_p104_Diaz
http://hdl.handle.net/20.500.12110/paper_0718560X_v45_n1_p104_Diaz
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0718560X_v45_n1_p104_Diaz
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spelling paper:paper_0718560X_v45_n1_p104_Diaz2023-06-08T15:43:10Z Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris Bioactive compounds Free radicals Nutrition Seaweeds Shrimp Water-soluble extracts from seaweeds Macrocystis pyrifera (M) and Undaria pinnatifida (U) were prepared to use the polysaccharide bioactive fraction as functional food. Chemical analysis showed that the main components of both extracts were mannitol and fucoidans. Also in both cases minor amounts of rhamnose, glucose, xylose and arabinose were determine. Content of fucose+galactose was higher in U. pinnatifida (8.7%) than in M. pyrifera (5.9%). Extracts were used as feed additive to Artemesia longinaris at inclusion levels of 1 and 2% (M1 and M2; U1 and U2), a diet without extract was used as control. Radical scavenging activities were estimated for two extracts and for midgut gland samples of experimental animals. Scavenging activity was detected in both extracts, the signal decayed to 50 and 62% in 18 min for U. pinnatifida and M. pyrifera, respectively. After 30 days of feeding, results did not show variation of survival, but growth was improved in animals fed with U1 and U2. Supplementation with 1 and 2% of U. pinnatifida showed similar quenching capacity of homogenates than those fed with M2 with a rapid 1,1-diphenylpicrylhydrazyl (DPPH) decay at 2 min of reaction. Recommended concentration for culture A. longinaris is 2%, as it is that produce the best antioxidant capacity, although the growth performance was improved also significantly only with U. pinnatifida extract. © 2017, Escuela de Ciencias del Mar. All Right Reserved. 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0718560X_v45_n1_p104_Diaz http://hdl.handle.net/20.500.12110/paper_0718560X_v45_n1_p104_Diaz
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Bioactive compounds
Free radicals
Nutrition
Seaweeds
Shrimp
spellingShingle Bioactive compounds
Free radicals
Nutrition
Seaweeds
Shrimp
Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
topic_facet Bioactive compounds
Free radicals
Nutrition
Seaweeds
Shrimp
description Water-soluble extracts from seaweeds Macrocystis pyrifera (M) and Undaria pinnatifida (U) were prepared to use the polysaccharide bioactive fraction as functional food. Chemical analysis showed that the main components of both extracts were mannitol and fucoidans. Also in both cases minor amounts of rhamnose, glucose, xylose and arabinose were determine. Content of fucose+galactose was higher in U. pinnatifida (8.7%) than in M. pyrifera (5.9%). Extracts were used as feed additive to Artemesia longinaris at inclusion levels of 1 and 2% (M1 and M2; U1 and U2), a diet without extract was used as control. Radical scavenging activities were estimated for two extracts and for midgut gland samples of experimental animals. Scavenging activity was detected in both extracts, the signal decayed to 50 and 62% in 18 min for U. pinnatifida and M. pyrifera, respectively. After 30 days of feeding, results did not show variation of survival, but growth was improved in animals fed with U1 and U2. Supplementation with 1 and 2% of U. pinnatifida showed similar quenching capacity of homogenates than those fed with M2 with a rapid 1,1-diphenylpicrylhydrazyl (DPPH) decay at 2 min of reaction. Recommended concentration for culture A. longinaris is 2%, as it is that produce the best antioxidant capacity, although the growth performance was improved also significantly only with U. pinnatifida extract. © 2017, Escuela de Ciencias del Mar. All Right Reserved.
title Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
title_short Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
title_full Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
title_fullStr Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
title_full_unstemmed Free radical scavenging activity of extracts from seaweeds Macrocystis pyrifera and Undaria pinnatifida: Applications as functional food in the diet of prawn Artemesia longinaris
title_sort free radical scavenging activity of extracts from seaweeds macrocystis pyrifera and undaria pinnatifida: applications as functional food in the diet of prawn artemesia longinaris
publishDate 2017
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0718560X_v45_n1_p104_Diaz
http://hdl.handle.net/20.500.12110/paper_0718560X_v45_n1_p104_Diaz
_version_ 1768542320116891648

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