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Assessing the impact of plasma-activated water-assisted heat-moisture treatment on the extrusion-recrystallization process of hausa potato starch
Carbohydrate Polymers ( IF 10.7 ) Pub Date : 2024-03-22 , DOI: 10.1016/j.carbpol.2024.122081
Plachikkattu Parambil Akhila 1 , Kappat Valiyapeediyekkal Sunooj 1 , Sneh Punia Bangar 2 , Basheer Aaliya 1 , Muhammed Navaf 1 , Balakrishnan Indumathy 3 , Subramaniam Yugeswaran 3 , Suraj Kumar Sinha 3 , Shabir Ahmad Mir 4 , Sabah Mounir 5 , Johnsy George 6 , Monica-Roxana Nemțanu 7
Affiliation  

The study explored the plasma-activated water (PAW)-assisted heat-moisture treatment (HMT) on the structural, physico-chemical properties, and digestibility of extrusion-recrystallized starch. Native starch of hausa potatoes underwent modification through a dual process involving PAW-assisted HMT (PHMT) followed by extrusion-recrystallization (PERH) using a twin-screw extruder. The PHMT sample showed surface roughness and etching with a significantly greater ( ≤ 0.05) RC (20.12 %) and ΔH (5.86 J/g) compared to DHMT. In contrast, PERH-induced structural damage, resulting in an irregular block structure, and altered the crystalline pattern from A to B + V-type characterized by peaks at 17.04°, 19.74°, 22°, and 23.94°. DSC analysis showed two endothermic peaks in all the extrusion-recrystallized samples, having the initial peak attributed to the melting of structured amylopectin chains and the second one linked to the melting of complexes formed during retrogradation. Dual-modified samples displayed notably increased transition temperatures (To 74.54 and 74.17 °C, To 122.65 and 121.49 °C), along with increased RS content (43.76 %–45.30 %). This study envisages a novel approach for RS preparation and broadens the utilization of PAW in starch modification synergistically with environmentally friendly techniques.

中文翻译:


评估等离子体活化水辅助湿热处理对豪萨马铃薯淀粉挤出再结晶过程的影响



该研究探讨了等离子体活化水(PAW)辅助湿热处理(HMT)对挤压重结晶淀粉的结构、理化性质和消化率的影响。豪萨马铃薯的天然淀粉通过双重工艺进行改性,其中包括 PAW 辅助 HMT (PHMT),然后使用双螺杆挤出机进行挤出重结晶 (PERH)。与 DHMT 相比,PHMT 样品的表面粗糙度和蚀刻效果明显更高 ( ≤ 0.05) RC (20.12 %) 和 ΔH (5.86 J/g)。相反,PERH引起的结构损伤,导致不规则的嵌段结构,并将晶体模式从A型改变为B + V型,其特征在于17.04°、19.74°、22°和23.94°处的峰。 DSC 分析显示所有挤出重结晶样品中都有两个吸热峰,第一个峰归因于结构化支链淀粉链的熔化,第二个峰与回生过程中形成的复合物的熔化有关。双重修饰的样品显示出显着升高的转变温度(至 74.54 和 74.17 °C,至 122.65 和 121.49 °C),同时 RS 含量也增加(43.76 %–45.30 %)。这项研究设想了一种新的 RS 制备方法,并与环保技术协同扩大了 PAW 在淀粉改性中的应用。
更新日期:2024-03-22
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