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Characterisation of cationic potato starch by asymmetrical flow field-flow fractionation. Influence of ionic strength and degree of substitution.

Santacruz, Stalin LU (2014) In Carbohydrate Polymers 106. p.166-171
Abstract
The properties of a paper sheet depend on the absorption together with the physico-chemical properties of additives used in the paper processing. The effect of ionic strength and degree of substitution of cationic potato starch on the elution pattern of asymmetrical flow field-flow fractionation was analysed. The effect of starch derivatisation, in either dry or wet phase, was also investigated. Average molar mass showed no difference between the starches obtained from the two derivatisation processes. Apparent densities showed that dry cationic starch had higher density than wet cationic starch for a hydrodynamic radius between 50 and 100nm. Elution times of native and three cationic starches increased when the ionic strength increased... (More)
The properties of a paper sheet depend on the absorption together with the physico-chemical properties of additives used in the paper processing. The effect of ionic strength and degree of substitution of cationic potato starch on the elution pattern of asymmetrical flow field-flow fractionation was analysed. The effect of starch derivatisation, in either dry or wet phase, was also investigated. Average molar mass showed no difference between the starches obtained from the two derivatisation processes. Apparent densities showed that dry cationic starch had higher density than wet cationic starch for a hydrodynamic radius between 50 and 100nm. Elution times of native and three cationic starches increased when the ionic strength increased from 50 to 100mM. No differences in the molar mass among cationic starches with different degree of substitution suggested no degradation due to a derivatisation process. Large sample loads can be used at 100mM without overloading. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Carbohydrate Polymers
volume
106
pages
166 - 171
publisher
Elsevier
external identifiers
  • pmid:24721065
  • wos:000335620000023
  • scopus:84896277961
ISSN
0144-8617
DOI
10.1016/j.carbpol.2014.02.002
language
English
LU publication?
yes
id
8a3d4c70-5ca5-4d87-946b-09362ec98b1a (old id 4430418)
date added to LUP
2014-05-07 17:53:29
date last changed
2017-05-21 03:21:17
@article{8a3d4c70-5ca5-4d87-946b-09362ec98b1a,
  abstract     = {The properties of a paper sheet depend on the absorption together with the physico-chemical properties of additives used in the paper processing. The effect of ionic strength and degree of substitution of cationic potato starch on the elution pattern of asymmetrical flow field-flow fractionation was analysed. The effect of starch derivatisation, in either dry or wet phase, was also investigated. Average molar mass showed no difference between the starches obtained from the two derivatisation processes. Apparent densities showed that dry cationic starch had higher density than wet cationic starch for a hydrodynamic radius between 50 and 100nm. Elution times of native and three cationic starches increased when the ionic strength increased from 50 to 100mM. No differences in the molar mass among cationic starches with different degree of substitution suggested no degradation due to a derivatisation process. Large sample loads can be used at 100mM without overloading.},
  author       = {Santacruz, Stalin},
  issn         = {0144-8617},
  language     = {eng},
  pages        = {166--171},
  publisher    = {Elsevier},
  series       = {Carbohydrate Polymers},
  title        = {Characterisation of cationic potato starch by asymmetrical flow field-flow fractionation. Influence of ionic strength and degree of substitution.},
  url          = {http://dx.doi.org/10.1016/j.carbpol.2014.02.002},
  volume       = {106},
  year         = {2014},
}