淀粉
分离
解聚
直链淀粉
结晶度
化学
回生(淀粉)
流变学
吸水率
浊度
化学工程
核化学
食品科学
高分子化学
材料科学
复合材料
海洋学
工程类
结晶学
地质学
作者
Rohit Thirumdas,Ajinkya M. Trimukhe,Rajendra R. Deshmukh,Uday S. Annapure
标识
DOI:10.1016/j.carbpol.2016.11.050
摘要
The present work deals with aimed to study the effect of cold plasma treatment on the functional and rheological properties of rice starch using two different power levels (40 and 60 W). The changes in amylose content, turbidity, pH, water and fat absorption due to plasma treatment were evaluated. Where decrease in the turbidity and pH after the treatment was observed. Gel hydration properties and syneresis study revealed that there is an increase in leaching of amylose molecules after the treatment. Rapid Visco Analyzer examination showed an increase in pasting and final viscosities. From G′ and G″ moduli determination we observed that there is decrease in retrogradation tendency of starch gels. XRD did not show any change in A-type pattern but decrease in the relative crystallinity was observed due to depolymerization caused by active plasma species. FTIR shows some of the additional functional groups after treatment. SEM showed formation of fissures on the surface of starch granules due to etching caused by the plasma species. Thus, plasma treatment can be one of the methods for physical modification of starch.
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