压力下降过程作为一种预处理,用于增强阿祖基豆 (Vigna angularis) 的补水
Suyeon Lee1, Sangoh Kim2, Seokwon Lim1
1Department of Food Science & Biotechnology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Republic of Korea.
Foods (Basel, Switzerland)
|July 12, 2025
概括
非热性压力下降处理,如PDA和PDB,比热更有效地增强阿祖基豆的浸泡. 这些方法修改了豆子结构,以改善吸收水分,而无需显著的热变化.
科学领域:
- 食品科学与技术 食品科学与技术
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 食品中的传统压力下降过程依赖于热量,限制了它们的应用.
- 开发非热方法对于保持食品质量和尽量减少热降解至关重要.
研究的目的:
- 开发和评估用于食品应用的非热性压力下降处理器.
- 分析新型压力下降处理对阿兹基豆结构和浸泡效率的影响.
主要方法:
- 开发一种非热式压力下降处理器.
- 应用了两个改进的压力下降工艺:PDA (1 kgf/cm2压力释放) 和PDB (渐进式压力下降).
- 使用扫描电子显微镜 (SEM) 分析阿祖基豆结构并评估浸泡效率.
主要成果:
- 与热处理 (60°C,100°C) 相比,PDA和PDB预处理都显著增强了阿祖基豆的浸泡.
- 湿度和气体释放的最低热量要求被观察到,在25°C时没有显著的影响.
- 重复的PDB应用 (超过40次) 进一步改善了无热影响的吸收湿度.
- 在SEM中发现了结构修改,包括治疗豆中的骨裂纹,表面纹和网状变形.
结论:
- 非热降压处理是一种可行的方法,可以提高食品浸泡效率.
- 压力下降处理引起的结构修改有助于改善水分吸收.
- 这项技术为食品工业中基于热的预处理提供了一个有希望的替代方案.
相关概念视频
Precipitation Processes
604
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
604
Dialysis
820
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
820
Formation of Dilute Urine
1.8K
The formation of dilute urine is a critical renal adaptation that maintains fluid balance, particularly during periods of high fluid intake. This process primarily involves the juxtamedullary nephrons. By adjusting the permeability of water and ions in response to physiological conditions, the kidneys can either conserve or excrete water, resulting in concentrated or dilute urine.
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
1.8K
Acute Kidney Injury V: Interprofessional Care
46
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
46
Washing, Drying, and Ignition of Precipitates
1.1K
After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
1.1K
Osmosis and Osmotic Pressure of Solutions
41.5K
A number of natural and synthetic materials exhibit selective permeation, meaning that only molecules or ions of a certain size, shape, polarity, charge, and so forth, are capable of passing through (permeating) the material. Biological cell membranes provide elegant examples of selective permeation in nature, while dialysis tubing used to remove metabolic wastes from blood is a more simplistic technological example. Regardless of how they may be fabricated, these materials are generally...
41.5K


