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FRACTIONAL COMPOSITION [2 records]

Record 1 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 1

Record 2 2001-06-06

English

Subject field(s)
  • Geochemistry
  • Geophysics
DEF

Referring to conditions of pressure, temperature, and composition under which two or more solid phases crystallize at the same time, with no resorption, from a single liquid over a finite range of decreasing temperature.

CONT

If the growth rate for plagioclase were much greater, this mineral could crystallize almost completely before the pyroxene substantially developed. Such a phenomenon could not develop under equilibrium conditions where cotectic(simultaneous) crystallization of both phases would occur at a very early stage.... The observation that [the ophitic] texture is normally absent in coarser gabbros of the same composition that have cooled very slowly supports this hypothesis, as does the fact that it is pyroxene rather than plagioclase that is generally observed to have separated prior to cotectic precipitation during fractional crystallization of differentiated tholeiitic sills...

French

Domaine(s)
  • Géochimie
  • Géophysique
PHR

Courbe cotectique, cristallisation cotectique, surface cotectique.

Spanish

Save record 2

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