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Temperature effect on the complex formation between Pluronic F127 and starch
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013). Karlstad Univ, Dept Engn & Chem Sci, Univ Gatan 2, S-65188 Karlstad, Sweden..
Attana AB, Bjornnasvagen 21, S-11419 Stockholm, Sweden..
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013). Karlstad Univ, Dept Engn & Chem Sci, Univ Gatan 2, S-65188 Karlstad, Sweden..
Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013), Paper Surface Centre. Karlstad Univ, Dept Engn & Chem Sci, Univ Gatan 2, S-65188 Karlstad, Sweden..ORCID iD: 0000-0002-1256-1708
2017 (English)In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 166, p. 264-270Article in journal (Refereed) Published
Abstract [en]

In this study a systematic investigation of the temperature effect on the interactions between Pluronic F127 and hydroxypropylated oxidised potato starch by surface tension titrations and quartz crystal microbalance (QCM) analysis is presented. The binary mixture examined was subjected to 20 degrees C and 30 degrees C and the results indicated no presence of binary complexes at the lower temperature. However, at elevated temperature, an ability for inclusion complex formation was detected by the here used independent techniques. The formed inclusion complexes at 30 degrees C are presumably a product of hydrophobic interaction between Pluronic F127 and starch, where starch acts as a host molecule and Pluronic F127 due to its increased hydrophobicity is the guest molecule in this complex. (C) 2017 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 166, p. 264-270
Keywords [en]
Starch, Pluronic F127, Inclusion complex, Quartz crystal microbalance
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-65477DOI: 10.1016/j.carbpol.2017.02.012ISI: 000400213300029PubMedID: 28385232OAI: oai:DiVA.org:kau-65477DiVA, id: diva2:1169735
Available from: 2017-12-29 Created: 2017-12-29 Last updated: 2018-06-26Bibliographically approved

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Petkova-Olsson, YanaUllsten, HenrikJärnström, Lars

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