1986
DOI: 10.1002/star.19860380202
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Einfluß der Art der Energieübertragung auf strukturelle und funktionelle Merkmale von Stärke

Abstract: Der Einfluß der Art der Energieübertragung auf strukturelle und funktionelle Merkmale von Stärke wurde untersucht. Dazu wurde die Veränderung der molekularen Struktur und funktionellen Eigenschaften der Stärke durch Schwingmahlung, Walzentrocknung und Extrusion festgestellt. Die Ergebnisse wurden im Hinblick auf verfahrensspezifische Merkmale miteinander verglichen. Es konnte gezeigt werden, daß sowohl durch Schwingmahlung als auch Extrusion Haupt‐ und Nebenvalenzbindungen von Stärke aufgelöst werden. Dagegen … Show more

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Cited by 34 publications
(4 citation statements)
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“…However, sometimes we can observe residual granules in starch polymer melt [31,32,61], which means the starch granular transformation is not 100%. In addition, Starch macromolecular degradation under processing especially with the shear treatment has been studied [24,62,63]. The level of degradation depends on the processing conditions and formulation such as plasticiser type and content, temperature, and total SME [62,64,65].…”
Section: Issues Related To Processingmentioning
confidence: 99%
“…However, sometimes we can observe residual granules in starch polymer melt [31,32,61], which means the starch granular transformation is not 100%. In addition, Starch macromolecular degradation under processing especially with the shear treatment has been studied [24,62,63]. The level of degradation depends on the processing conditions and formulation such as plasticiser type and content, temperature, and total SME [62,64,65].…”
Section: Issues Related To Processingmentioning
confidence: 99%
“…Depolymerization is also induced by extruder geometry (22) and shear forces; at 250-300 g/kg moisture and 80-120 °C, starch degradation has been reported to be exclusively due to shear (23). Mechanical energy transfer has been suggested to play a dominant role in depolymerization (24,25). Even though extrusion in the presence of small molecular size alcohols results in a thermoplastic starch Lebensm.-Wiss.…”
Section: Introductionmentioning
confidence: 97%
“…Garri is a gritty product, obtained by fermenting crushed fresh cassava roots, and frying the dewatered fermented mash [6]. Starch is extracted from freshly harvested cassava roots by peeling, washing, crushing, wet sieving, settling and drying [7]. These products are of great importance in almost all parts of Nigeria , Ghana and Togo.…”
Section: Introductionmentioning
confidence: 99%
“…The total titrable acidity (TTA) of the garri from fresh root was the highest, followed by the 10% seeded garri. This results may be due to the fact that dehydrated cassava chips suffers starch damage especially its structure in which the main and secondary valency bonds were broken [7]. These changes in the starch structure of the starch granules will however favour its digestion by amylolytic enzymes and consequently its hydrolysis into maltodextrins, glucose, lactic acid and other starch derivatives [16].…”
mentioning
confidence: 99%