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Estudio de aplicabilidad como aditivo alimentario de un nuevo exopolisacárido obtenido de Paenibacillus jamilae

Authors: García Ribera, Rafael; Monteoliva Sánchez, Mercedes; Ramos Cormenzana, Alberto;

Estudio de aplicabilidad como aditivo alimentario de un nuevo exopolisacárido obtenido de Paenibacillus jamilae

Abstract

Paenibacillus jamilae es una nueva especie bacteriana formadora de esporas, recientemente descrita por nuestro grupo de investigación y aislada a partir de una muestra de compost de maíz tratado con alpechín. P. jamilae es capaz de producir un nuevo exopolisacárido (EPS) en medio con sacarosa como única fuente de carbono. Este nuevo EPS ofrece algunas características reológicas de interés. La suspensión de este EPS en leche entera al 1% (p/V) presentó una viscosidad 5.7 veces mayor a la ofrecida en agua destilada a la misma concentración y mostró un claro carácter pseudoplástico. El gel formado con carragenanos, polímeros muy utilizados en la industria alimentaria, presentó buenas características en su aplicación como posible aditivo alimentario por una menor pérdida de agua.

Paenibacillus jamilae is an endospore-forming strain isolated from corn-compost treated with olive-mill wastewater (“alpechín”). This strain has been recently described by our research group. A new exopolysaccharide (EPS) was produced from Paenibacillus jamilae when grown in a medium containing sucrose as a sole carbon source. This EPS presents interesting rheological properties. The suspension of this EPS in milk at 1% (p/V) showed an interesting viscosity and a pseudoplastic behaviour. The gel formed with carrageenan, polymer used in the food industry, revealed good characteristics for its use as a possible food additive due to its lower water loss.

La investigación fue llevada a cabo gracias al Ministerio de Ciencia y Tecnología, España (proyectos OLI96-2189 y REN2000-1502).

Country
Spain
Related Organizations
Keywords

Polímeros, Exopolysaccharides, Food industry, Exopolisacáridos, Polymers, Industria alimentaria, Paenibacillus

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Green