相关实验视频

Updated: Jan 11, 2026

Simple Polyacrylamide-based Multiwell Stiffness Assay for the Study of Stiffness-dependent Cell Responses

Simple Polyacrylamide-based Multiwell Stiffness Assay for the Study of Stiffness-dependent Cell Responses

Published on: March 25, 2015

草豆粉的超声波修饰:对凝强度和结构性质的幅度时间影响

MohammadKazem Heydarian¹, Arash Koocheki¹, Fakhri Shahidi¹

¹Department of Food Science and Technology, Ferdowsi University of Mashhad, Mashhad, Iran.

International journal of biological macromolecules

|November 8, 2025

概括

超声处理修改了草豆粉 (GPS) 的结构,增强了其胀,溶解性和凝性. 这种改性粉显示出作为食品应用中的强凝剂的潜力.

科学领域:

食品科学食品科学食品科学
材料科学材料科学材料科学
生物化学生物化学

背景情况:

草粉 (GPS) 是一种有价值的碳水化合物来源.
了解粉修饰是食品工业创新的关键.
超声波技术为改变粉特性提供了一种新的方法.

研究的目的:

研究超声波处理对草豆粉 (GPS) 结构和功能性质的影响.
为了确定不同超声波幅度和超声波时间对粉特性的影响.
为了评估超声波修饰的GPS作为凝剂的潜力.

主要方法:

草豆粉用不同幅度 (30%,60%,100%) 和持续时间 (10,20,30分钟) 的超声波处理.
分析了物理化学,粘贴,纹理,热和形态特性.
扫描电子显微镜 (SEM) 用于观察粉颗粒形态的变化.

主要成果:

超声处理在粉颗粒上产生了表面孔隙,随幅度增加而增加.
超声波显著增加了GPS的膨胀力和可溶性.
结晶性和凝化度 (ΔH) 降低,表明结晶区域的破坏.
经过修改的GPS显示峰值,分解和最终粘度增加.
凝硬度对于粉在100%的振幅下进行10分钟的超声波检测是最高的.

结论:

超声处理有效地修改了草豆粉的结构,并增强了其功能性质.
经过修改的GPS表现出改善的胀,溶解度和粘度,使其成为一个有前途的成分.
超声处理GPS的增强凝能力表明它适用于各种食品工业应用.

关键词:

凝凝凝是一种草豆粉是草豆粉中的一种.粘合性能粘合性能粘合性能通过超声波灌,可以进行超声波灌.结构结构是一个结构.热性能热性质热性质

更多相关视频

Molecular Entanglement and Electrospinnability of Biopolymers

Molecular Entanglement and Electrospinnability of Biopolymers

Published on: September 3, 2014

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Published on: April 25, 2019

相关概念视频

Problem Solving on Stress and Strain

Problem Solving on Stress and Strain

Stress is a quantity that describes the magnitude of a force that causes deformation, generally defined as internal force per unit area. When forces pull on an object and cause its elongation, like the stretching of an elastic band, it is called tensile stress. When forces cause the compression of an object, it is known as compressive stress. When an object is being squeezed uniformly from all sides, like a submarine in the depths of the ocean, we call this kind of stress bulk stress (or volume...