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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.5258
|2 doi
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|a pubmed24n1123.xml
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|a eng
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|a Rakhshi, Elham
|e verfasserin
|4 aut
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|a An insight into tapioca and wheat starch gelatinization mechanisms using TD-NMR and complementary techniques
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.06.2022
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|a Date Revised 07.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 John Wiley & Sons, Ltd.
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|a To provide evidence for previously proposed assumptions concerning starch gelatinization sub-mechanisms, a more detailed investigation was carried out using multiscale analysis of a starch type selected for its marked difference. Tapioca starch was chosen due to its cohesive/springy properties and its growing use in the food industry. Time-domain nuclear magnetic resonance (TD-NMR) was used to investigate the leaching of material, water absorption and crystallite melting in hydrated tapioca starch (45%). The interpretation of T2 mass intensity evolutions, especially those of the (intra- and extra-granular) aqueous phases, was discussed drawing on complementary techniques such as microscopy, Rapid Visco Analyser (RVA), differential scanning calorimetry (DSC) and swelling factor (SF) and solubility index (SI) measurements. Results show that the T2 assignments usually proposed in the literature are dependent on starch origin. The differences in T2 evolutions (value and mass intensity) observed between wheat and tapioca starches at intermediate hydration levels could be linked to the different gelatinization behaviour of tapioca starch involving the latter's higher granule rupture level, higher gelatinization temperature and greater swelling power above its gelatinization temperature
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a TD-NMR
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|a gelatinization
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|a leaching
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|a relaxation times
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|a starch
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|a swelling
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|a tapioca
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|a Starch
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|2 NLM
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|a Cambert, Mireille
|e verfasserin
|4 aut
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|a Diascorn, Yves
|e verfasserin
|4 aut
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| 700 |
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|a Lucas, Tiphaine
|e verfasserin
|4 aut
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|a Rondeau-Mouro, Corinne
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 60(2022), 7 vom: 21. Juli, Seite 702-718
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|x 1097-458X
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|g volume:60
|g year:2022
|g number:7
|g day:21
|g month:07
|g pages:702-718
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|u http://dx.doi.org/10.1002/mrc.5258
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