相关实验视频
Updated: Jun 21, 2026

06:15
Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
11.8K
探讨自然深层环氧溶剂对阴道的影响:结构性和功能性质
Adieh Anvar1, Mohammad Hossein Azizi1, Hassan Ahmadi Gavlighi1,2
1Department of Food Science and Technology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
Current research in food science
|January 22, 2025
概括
天然深层水溶剂 (NADES) 显著改变了蛋白质结构并增强了其功能性质,与食品应用中的常规溶剂相比,提供了优越的修改.
科学领域:
- 蛋白质化学 蛋白质化学
- 食品科学 食品科学 食品科学
- 生物材料是一种生物材料.
背景情况:
- 玉米中主要的储存蛋白质Zain具有独特的特性,但需要为更广泛的工业应用进行修改.
- 传统的溶剂,如乙醇和酸,在有效地改变ain的结构和功能方面存在局限性.
- 天然深层环氧溶剂 (NADES) 正在成为生物分子修饰的有前途的绿色溶剂.
研究的目的:
- 评估包括NADES在内的各种化学修饰对物质结构和功能特征的影响.
- 为了比较NADES与常规溶剂 (水,乙醇,酸) 在修改物质中的有效性.
- 探索NADES在食品工业应用中增强的性能方面的潜力.
主要方法:
- 采用水,乙醇,酸和四种NADES (胆化物:氧酸,胆化物:尿素,胆化物:糖醇,葡萄糖:酸) 的四种溶剂修改了Zeen.
- 使用富里埃变换红外光谱学,光谱学,紫外可见光谱学和循环二元化光谱学分析了结构变化.
- 评估了功能性质,包括可溶性,表面水性,自由氨基含量,蛋白质与蛋白质相互作用和乳化性质.
主要成果:
- NADES显著改变了 zein 的二级和三级结构,减少了 α-螺旋的含量,增加了随机线圈结构.
- 与传统溶剂相比,NADES处理更有效地增强了的溶解性,表面水性和自由胺含量.
- NADES促进了双溶剂相互作用,从而改善了乳化特性和更大的非共价键的破坏.
结论:
- 与水,乙醇和酸相比,NADES系统在修改ain的结构和功能方面表现出卓越的能力.
- 纳德斯有效地破坏键,并暴露了中疏水性区域,从而改善了功能性质.
- 这些发现表明,NADES作为一种可行和有效的替代品,可以在食品工业中进行先进的应用.
相关概念视频
Solvating Effects
An understanding of the solvating effect helps rationalize the relation between solvation and acidity of the compound. In addition, this also explains the relative stability of conjugate bases for compounds with different pKa values. This lesson details, in-depth, the principle of solvating effects. The strength of an acid and the stability of its corresponding conjugate base are determined using pKa values. This observed relationship is a consequence of solvation, which is the interaction...
Leveling Effect
In acid-base chemistry, the leveling effect refers to the limitation imposed by the solvent on the strength of acids and bases in solution. When a base stronger than the solvent's conjugate base is used, it deprotonates the solvent until the base is entirely consumed, making it ineffective against weaker acids. Conversely, an acid stronger than the solvent's conjugate acid protonates the solvent until the acid is depleted, rendering it ineffective against weaker bases. Essentially, the solvent...

