Wang Zhen, Ma Sen, Li Li, Huang Jihong
State Key Laboratory of Crop Stress Adaptation and Improvement, College of Agriculture, Henan University, Kaifeng, China.
College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China.
Front Nutr. 2022 Sep 20;9:982878. doi: 10.3389/fnut.2022.982878. eCollection 2022.
The effect of synergistic fermentation of and on the structural properties and aggregation behavior of gluten containing different wheat bran dietary fiber (WBDF) levels (0, 3, 6, 9, and 12%) was investigated. The results showed that WBDF addition affected the aggregation behavior of gluten at the molecular level, while WBDF significantly induced depolymerization behaviors in large aggregated gluten proteins (Molecular weight > 130 kDa) under reducing conditions ( < 0.05). In terms of secondary structure, WBDF significantly reduced glutamine side chain levels and reduced antiparallel β-sheet structures from 28.57 to 24.53% ( < 0.05). In addition, WBDF thermal properties and its water holding capacity were the main factors causing changes in thermal properties in the overall gluten system. This study provides new data for the improved production of sourdough whole grain and/or high fiber flour products.
研究了[具体物质1]和[具体物质2]协同发酵对含有不同水平小麦麸皮膳食纤维(WBDF,0%、3%、6%、9%和12%)的面筋结构特性和聚集行为的影响。结果表明,添加WBDF在分子水平上影响了面筋的聚集行为,而在还原条件下(<0.05),WBDF显著诱导了大聚集面筋蛋白(分子量>130 kDa)的解聚行为。在二级结构方面,WBDF显著降低了谷氨酰胺侧链水平,并使反平行β-折叠结构从28.57%降至24.53%(<0.05)。此外,WBDF的热性质及其持水能力是导致整个面筋体系热性质变化的主要因素。本研究为改进酸面团全麦和/或高纤维面粉产品的生产提供了新的数据。
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