从咖啡豆中提取的咖啡多的净化 (阿拉伯咖啡 L.) 使用水性两相系统
Phuong Hong Le1, Linh Thuy Thi Ho1, Dao Hong Thi Le1
1Department of Chemical Engineering, Faculty of Chemical Engineering and Food Technology, Nong Lam University, Ho Chi Minh City 70000, Vietnam.
Molecules (Basel, Switzerland)
|August 12, 2023
概括
这项研究使用水性两相系统从咖啡纸中净化了有价值的多,通过去除杂质,显著提高了抗氧化活性. 增强的提取物显示抗氧化能力增加了34%.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 咖啡果粉是富含多的来源,但传统的提取方法产生不纯的产品.
- 聚醇具有重要的抗氧化特性,可用于各种应用.
- 不纯的提取物限制了咖啡纤维衍生化合物的有效性和可用性.
研究的目的:
- 开发一种高效的净化方法,从咖啡纸中提取多.
- 评估净化对聚醇总含量和抗氧化活性的影响.
- 在纯化提取物中识别和量化主要的多,如酸和咖啡酸.
主要方法:
- 应用一种水性双相系统 (乙醇/硫酸盐) 用于聚提取和净化.
- 使用光谱光度方法量化聚醇总含量.
- 通过已建立的测定来评估抗氧化剂活性.
- 使用染色学分析特定的多 (酸,咖啡酸).
- 福里埃变换红外光谱 (FTIR) 用于杂质分析.
主要成果:
- 化合物主要被分为两相系统的富含酒精的阶段.
- 净化咖啡纸提取物显示出抗氧化活性显著增加 (大约1. 34%) 与原油提取物相比.
- 在净化样本中观察到酸和咖啡酸含量略有增加.
- FTIR分析证实了在净化过程中清除了几种杂质.
结论:
- 水性双相系统是净化咖啡纸中的多的有效方法.
- 净化通过缩有益的化合物和去除杂质来增强咖啡纤维提取物的抗氧化潜力.
- 这种方法为将咖啡行业的副产品提升为高价值成分提供了一个有希望的方法.
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