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Supercritical Fluid Chromatography01:18

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Supercritical fluid chromatography (SFC) provides a beneficial substitute for gas chromatography (GC) and liquid chromatography (LC) for certain samples because it merges the top attributes of both techniques. SFC allows the separation and analysis of compounds that GC or LC does not easily manage. These compounds are traditionally nonvolatile or thermally unstable, making GC unsuitable and lacking functional groups required for HPLC analysis.
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Composition and Properties of Aquafaba: Water Recovered from Commercially Canned Chickpeas
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通过超临界CO2处理,为食品应用量身定制豆蛋白的功能.

Gomathy Sandhya Subramanian1, Daryl Lee1, Su Hui Lim1

  • 1Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Singapore 138669, Singapore.

Food research international (Ottawa, Ont.)
|October 11, 2025
PubMed
概括

超临界二氧化碳 (SCCO2) 处理有效地减肥了小粉,并提高了蛋白质的功能. 这种方法提高了蛋白质的纯度,可溶性,凝性和水能力,用于食品应用.

关键词:
豆蛋白质是豆中的一种蛋白质.定制功能蛋白质的定制功能蛋白质蛋白质提取优化优化 蛋白质提取优化蛋白质的功能性质蛋白质的功能性质蛋白质修饰是一种蛋白质修饰.超临界二氧化碳处理过程中的二氧化碳

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科学领域:

  • 食品科学与技术 食品科学与技术
  • 生物材料工程 生物材料工程
  • 蛋白质化学 蛋白质化学

背景情况:

  • 豆蛋白是一种有价值的植物成分.
  • 修改蛋白质功能的传统方法可能很苛刻.
  • 超临界二氧化碳 (SCCO2) 提供了一个可调节的,环保的加工替代方案.

研究的目的:

  • 评估SCCO2作为一种用于脱脂小粉和调节蛋白质功能性质的双重目的方法.
  • 为了比较两个SCCO2加工路径:提取后的修改和提取前的脱脂.
  • 为了研究SCCO2压力对小豆蛋白质特性的影响.

主要方法:

  • 在850巴和65°C的小粉中SCCO2脱脂.
  • 提取后的SCCO2处理小豆蛋白分离物在各种压力 (75-800 bar) 下.
  • 分析蛋白质纯度,溶解度,最小凝度 (MGC),发泡能力和保持水分的能力.
  • 使用差分扫描热度计和二次结构分析进行结构性表征.

主要成果:

  • SCCO2脱脂降低了约79%的面粉脂肪含量,并将蛋白质纯度提高到87.6%.
  • 提取后的SCCO2处理进一步提高了蛋白质的纯度,达到90%以上,溶解率达到92.7%.
  • 处理SCCO2显著降低了MGC,改善了发泡能力,增加了水容量,压力是主要因素.

结论:

  • SCCO2加工是一种高效且可调节的方法,用于生产高纯度的小豆蛋白.
  • 这种技术显著增强了关键的功能性质,使豆蛋白更适用于食品应用.
  • SCCO2为蛋白质修饰和成分开发提供了一种可持续和高效的方法.