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UID:20250818T024052EDT-2171wCj6F1@132.216.98.100
DTSTAMP:20250818T064052Z
DESCRIPTION:PhD Oral Defence of Chijioke Anthony Nwankpa\, Bioresource Engi
 neering\n\nNon-waxy rice cultivars are important in global food security p
 rogram. However\, it is grossly underutilized in today’s food market becau
 se of its unstable and unpredictable behavior when incorporated in most fo
 od systems. Physical modification of non-waxy rice flours can play a pivot
 al role in their adoption and utilization. The impact of physical modifica
 tion techniques namely heat-moisture treatment (HMT)\, microwave\, and ult
 rasound treatment was evaluated. The modified non-waxy rice flours were ch
 aracterized using hydration studies\, rheometer and differential scanning 
 calorimeter (DSC). Different dispersions (4-8%) of the non-waxy rice flour
  exhibited pseudoplastic flow behaviour and were characterised by Power la
 w model. Modification of non-waxy rice flours enhanced the amylose fractio
 n of the rice cultivars\, thereby significantly influencing the storage an
 d loss modulus of the flour. Application of microwave and heat-moisture tr
 eatment was found to increase the peak gelatinization temperature (Tp) of 
 the unmodified flours by 7.37%. On the other hand\, ultrasound treatment r
 educed Tp of the unmodified non-waxy rice flours by 28.94%. Hydration anal
 ysis revealed that the selected modification treatments utilized in this s
 tudy enhanced the oil and water absorption properties of the unmodified no
 n-waxy rice flours. Coating chicken cuts with modified rice flours signifi
 cantly influenced pore development during air frying of the coated product
 s. Thus\, this research provided new knowledge on the application of modif
 ied non-waxy rice flours in selected food systems such as in the productio
 n of flour-based puddings.\n\nEveryone in the 9IÖÆ×÷³§Ãâ·Ñ community is welcome 
 to attend a PhD Oral Defence. Please join us in celebrating the accomplish
 ments of our PhD candidates.\n
DTSTART:20190702T171500Z
DTEND:20190702T171500Z
LOCATION:MS2-084\, Macdonald-Stewart Building\, CA\, QC\, St Anne de Bellev
 ue\, H9X 3V9\, 21111 Lakeshore Road
SUMMARY:PhD Oral Defence: The impact of selected modification techniques on
  the physicochemical\, rheological and thermal characteristics of some imp
 roved non-waxy rice flours
URL:/macdonald/channels/event/phd-oral-defence-impact-
 selected-modification-techniques-physicochemical-rheological-and-thermal-2
 97789
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