Evaluation of Starch Properties for Selecting Sorghum Planted under Environmental Stress with Superior Noodle-Making Properties
文献类型: 外文期刊
作者: Li, Xiao 1 ; Kang, Xuemin 1 ; Hu, Jiyong 1 ; Gao, Wei 1 ; Cheng, Yue 1 ; Yu, Bin 1 ; Sui, Jie 3 ; Wang, Jiangfei 3 ; Cui, Bo 1 ;
作者机构: 1.Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Peoples R China
2.Qilu Univ Technol, Shandong Acad Sci, Sch Food Sci & Engn, Jinan 250353, Shandong, Peoples R China
3.Shandong Acad Agr Sci, Agr Informat & Econ Res Inst, Jinan, Peoples R China
关键词: fine structure; physicochemical properties; saline alkali land; sorghum starch
期刊名称:STARCH-STARKE ( 影响因子:2.3; 五年影响因子:2.6 )
ISSN: 0038-9056
年卷期: 2023 年 75 卷 7-8 期
页码:
收录情况: SCI
摘要: KT and Nuo sorghum are planted in saline-alkali (SA) soil (KT-S, Nuo11-S) and nonsaline-alkali (NSA) soil (KT-S, Nuo11-NS) to demonstrate the impact of SA stress on the structure and properties of sorghum starch. SA decreases the amylose content (27.57%-20.43%) but increases the B-2 + B-3 chain content of branched amylopectin (18.86%-19.57%) in KT, in contrast to Nuo. The X-ray diffraction (XRD) and small-angle X-ray scattering (SAXS) results confirms the crystallinity of sorghum starch, and the degree of ordering in semicrystalline lamellae is arranged as follows: Nuo11-S > Nuo11-NS > KT-S > KT-NS. Differential scanning calorimetry (DSC) confirms that SA improves thermal stability of starch granules. The noodles made of sorghum starch exhibit significant hydrolysis resistance compared to common noodles, and a higher hydrolysis rate is shown in SA-starch noodles. Overall, it is essential to understand the fine structure and physicochemical properties of starch isolated from sorghum planted in different soils to help determine its appropriate applications.
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