Film formation properties of potato starch hydrolysates

Salem Shamekh, Päivi Myllärinen, Kaisa Poutanen, Pirkko Forssell (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

33 Citations (Scopus)

Abstract

Native and freeze-dried potato starch granules were partially hydrolysed to produce maltodextrins with dextrose equivalents (DE) 10, 15 and 20. Freeze-drying greatly improved the enzyme accessibility of the native granules. Film formation properties of the hydrolysates were examined. Films were prepared by water casting. Especially the maltodextrins, which were produced from the native starch, were very sticky materials and could not form any films. But after removing most of the soluble saccharides from the maltodextrins, good quality films were produced by dissolving the hydrolysate in water, casting on a Teflon mould and drying the solution.
Original languageEnglish
Pages (from-to)20-24
JournalStärke
Volume54
Issue number1
DOIs
Publication statusPublished - 2002
MoE publication typeA1 Journal article-refereed

Keywords

  • starch
  • maltodextrin
  • film formation
  • glass transition

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