The effect of phase viscosity ratio on the rheology of liquid two phase gelatin-locust bean gum systems

Citation
Mm. Alves et al., The effect of phase viscosity ratio on the rheology of liquid two phase gelatin-locust bean gum systems, INT J BIO M, 26(5), 1999, pp. 333-336
Citations number
15
Categorie Soggetti
Biochemistry & Biophysics
Journal title
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
ISSN journal
01418130 → ACNP
Volume
26
Issue
5
Year of publication
1999
Pages
333 - 336
Database
ISI
SICI code
0141-8130(199912)26:5<333:TEOPVR>2.0.ZU;2-6
Abstract
The rheological behaviour of liquid two phase gelatin-locust bean gum (LBG) systems, comprising of(a) liquid LEG enriched continuous phase, and (b) fl ow-deformable gelatin-enriched dispersed particles seems to be determined, at the same phase composition, by phase viscosity ratio (mu). In the mu ran ge from 0.03 to 0.21, viscosity dropped to values noticeably lower (13-40 t imes) than those of the corresponding LEG solution. Decrease in the viscosi ty of the mixtures was not observed at mu = 0.5-0.6, corresponding that to the maximum energy scatter inside the droplets, in agreement with Mason's c onception of droplet deformation and disruption of liquid Newtonian emulsio ns. (C) 1999 Elsevier Science B.V. All rights reserved.