Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/48286
Título: Natural decoloration, composition and increase in dietary fibre content of an edible marine algae, Ulva rigida (Chlorophyta), grown under different nitrogen conditions
Autores/as: Lahaye, Marc
Gomez‐Pinchetti, Juan‐Luis ‐L 
del Rio, Miguel Jimenez
García-Reina, Guillermo 
Clasificación UNESCO: 251004 Botánica marina
241707 Algología (ficología)
Palabras clave: Decoloration
Dietary fibre
Marine algae
Ulva rigida
Aquaculture, et al.
Fecha de publicación: 1995
Editor/a: 0022-5142
Publicación seriada: Journal of the Science of Food and Agriculture 
Resumen: The colour, dietary fibre content and characteristics of the edible marine green algae, Ulva rigida, were investigated in relation with the nitrogen content of the algal culture medium. Colour brightness decreased and total nitrogen of the algae increased in nitrogen‐enriched conditions. When nitrogen‐enriched seaweeds were grown again in normal seawater for 10 days, colour brightness increased and total nitrogen concentration fell. Total dietary fibre content of the wild and nitrogen enriched algae were close (∼38.0% DW) but increased markedly when the nitrogen‐rich plants were cultured in normal sea‐water (54.4% after 10 days). Soluble fibre were xylorhamnoglucuronan sulphate (ulvan) with close molar compositions for all the seaweed samples. Insoluble polysaccharides were composed of glucose, xylose, uronic acid, rhamnose and sulphate which molar proportions varied for the different algal samples. The soluble fibre intrinsic viscosity and the water holding capacity of insoluble fibre were not markedly affected by the growth conditions. This report demonstrates that edible seaweed aquaculture provides an alternative or a complement to post‐harvest transformations of seaweeds to modify organoleptic and nutritional characteristics.
URI: http://hdl.handle.net/10553/48286
ISSN: 0022-5142
DOI: 10.1002/jsfa.2740680116
Fuente: Journal of the Science of Food and Agriculture [ISSN 0022-5142], v. 68, p. 99-104
Colección:Artículos
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