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Hydration and the p...
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Carlstedt, JonasMalmö högskola,Institutionen för biomedicinsk vetenskap (BMV)
(författare)
Hydration and the phase diagram of acid hydrolyzed potato starch
- Artikel/kapitelEngelska2014
Förlag, utgivningsår, omfång ...
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Elsevier,2014
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:mau-5002
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https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-5002URI
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https://doi.org/10.1016/j.carbpol.2014.06.037DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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We investigated hydration of acid hydrolyzed potato starch (maltodextrin) employing a multi-method approach. In particular, synchrotron radiation X-ray scattering and differential scanning calorimetry were used, and, for the first time, the material was investigated with sorption calorimetry and a newly developed quartz crystal microbalance with humidity scanning. The dry starch was found to be in an amorphous state. During hydration it exhibits a glass transition in both bulk and thin film samples, followed by an exothermic event where the starch crystallized. Recrystallized bulk samples displayed neither a pronounced glass transition nor crystallization upon hydration whereas both events occurred in thin film samples. The hydration-driven crystallization resulted in an X-ray pattern consistent with the coexistence of A and B type crystallites; however, at higher water concentrations only the B form occurred. The results were used to construct the first ever acid hydrolyzed starch–water phase diagram.
Ämnesord och genrebeteckningar
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Glass transition
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Crystallization
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Sorption calorimetry
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QCM-D
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X-ray scattering
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DSC
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Wojtasz, JoannaMalmö högskola,Institutionen för biomedicinsk vetenskap (BMV)(Swepub:mau)ab3217
(författare)
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Fyhr, Peter
(författare)
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Kocherbitov, VitalyMalmö högskola,Institutionen för biomedicinsk vetenskap (BMV)(Swepub:mau)hsviko
(författare)
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Malmö högskolaInstitutionen för biomedicinsk vetenskap (BMV)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Carbohydrate Polymers: Elsevier112, s. 569-5770144-86171879-1344
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