挤出加工对技术功能性质,纹理性质,抗氧化活性,体外营养消化能力和糖分指数的作用,基于子豆的挤出零食
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Jashandeep Kaur1, Baljit Singh1, Arashdeep Singh1
1Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, India.
Journal of texture studies
|May 29, 2023
概括
优化石榴-小零食的挤出条件可以提高它们的营养和功能性质. 较低的桶温度和料湿度提高了扩张,消化能力和整体可接受性.
科学领域:
- 食品科学与技术 食品科学与技术
- 营养科学 营养科学
- 挤出加工 挤出加工
背景情况:
- 整个和小粉是开发营养零食的有价值成分.
- 挤出加工提供了一种方法来修改食品成分的物理化学和功能性质.
- 了解挤出参数的影响对于优化零食质量至关重要.
研究的目的:
- 为了研究桶温度 (BT) 和料湿度 (FM) 对双螺丝挤压整个麦-小零食的物理化学,纹理,功能和营养特性的影响.
- 为了确定最佳的挤出条件,以改善零食质量属性.
主要方法:
- 在不同的桶温度 (130-170°C) 和料水分水平 (14-18%) 下,双螺杆挤出8: 2整粒-小混合物.
- 对特定机械能 (SME),膨胀比 (ER),吸水指数 (WAI),水溶性指数 (WSI),总含量 (TPC),抗氧化活性 (AA),体外粉消化性 (SDS, Exp-GI) 和纹理形状分析 (硬度) 的分析.
主要成果:
- 增加BT和FM减少了中小企业. ER显示复杂的反应,与BT增加,但与FM减少.
- 由于粉颗粒的破坏,较高的BT改善了WAI和WSI. 增加的FM增强了TPC和AA,以及零食的硬度.
- 较低的BT和FM对ER,体外蛋白质消化能力和整体接受度产生了积极的影响. 随着BT和FM的增加,SDS和Exp-GI下降.
结论:
- 挤出参数显著影响麦-小豆零食的质量属性.
- 建议降低桶温度和料水分水平,以改善膨胀,消化能力和整体可接受性.
- 这些发现为开发更健康,更具功能性的全谷物和豆类挤出零食提供了洞察力.
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