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XANTHAN [4 records]

Record 1 2013-05-01

English

Subject field(s)
  • Chemical Elements and Compounds
CONT

Acetan is... an anionic polysaccharide with a cellulosic backbone but with a pentasaccharide side chain consisting of alpha-L-Rha-(1->6)-D-Glc-(1->6)-alpha-D-Glc-(1->4)--D-GlcA-(1->2)-alpha-D-Man-(1->3) linked to every other glucose in the backbone. Acetan, therefore, has a chemical structure closely related to that of xanthan.

French

Domaine(s)
  • Éléments et composés chimiques
CONT

Le glucomannane a été mélangé à plusieurs autres fibres végétales solubles, parmi lesquelles la gomme xanthane, la carraghénine, l'acétane (polysaccharide) et la pectine de guar pour produire le Promannan®.

Spanish

Save record 1

Record 2 2010-12-23

English

Subject field(s)
  • Biological Sciences
  • Food Industries
CONT

Effect of bacterial exopolysaccharide xanthan on the wheat protein properties. Abstract : Exopolysaccharide xanthan has been studied for its effect on protein substances of dough and gluten isolated from meal of different wheat varieties. It is shown do strengthening of gluten removed from the dough to which was added xanthan(0. 1-. 50% of meal weight) is determined by the decrease of gluten protein solubility in 0. 05 M acetic acid solution and 12% sodium salicilate solution. Gel chromatographic analyses of proteins has shown that xanthan addition to dough results in the changes of their fractional composition and molecular weight of definite fractions, in the increasing of molecular weight values of both glutenin and glyadine fractions.

French

Domaine(s)
  • Sciences biologiques
  • Industrie de l'alimentation
DEF

Protéine [prolamine] du blé.

CONT

Ce sont des protéines monométriques dans lesquelles les ponts disultures, quand ils existent, sont intramoléculaires [...] Elles contribuent à la viscosité et à l'extensibilité du gluten.

Spanish

Save record 2

Record 3 1988-03-30

English

Subject field(s)
  • Chemistry
CONT

These microbes which attack xanthan are particularly troublesome because in addition to degrading the polymer, they produce cells which... may aggravate formation plugging of the reservoir at the injection well.

French

Domaine(s)
  • Chimie
DEF

Détériorer.

OBS

Les solutions de polymères se dégradent au cours du temps (vieillissement). Le vieillissement est en grande partie dû à l'action de l'oxygène. C'est pourquoi (...) on ajoute (...) aux solutions de polymère (...) du formol qui a par ailleurs une action bactéricide.

Spanish

Save record 3

Record 4 1987-10-15

English

Subject field(s)
  • Biochemistry
  • Microbiology and Parasitology
  • Food Additives
CONT

Of the thousands of different polysaccharides that can be microbially produced the best-known is xanthan, which is made by the bacterium Xanthomonas campestris. This colloidal substance is added to many foods as a stabilizer and thickener, and the petroleum industry is beginning to include it as an ingredient in drilling muds.

French

Domaine(s)
  • Biochimie
  • Microbiologie et parasitologie
  • Additifs alimentaires
CONT

Sur les milliers de polysaccharides différents pouvant être produits par voie microbienne, le plus connu est le xanthane fabriqué par la bactérie Xanthomonas campestris. Cette substance colloïdale est ajoutée à de nombreux aliments comme stabilisateur et [...] [épaississeur], et l'industrie pétrolière commence à l'utiliser dans les boues de forage.

Spanish

Save record 4

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