从果果汁中提取多化合物的固体-液体提取过程的动态建模:溶剂组成和温度的影响
Parinaz Hobbi1, Oseweuba Valentine Okoro1, Christine Delporte2
1Université Libre de Bruxelles (ULB), École polytechnique de Bruxelles - BioMatter unit, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050, Brussels, Belgium.
Bioresources and bioprocessing
|April 23, 2024
概括
这项研究模拟了从果果汁 (AP) 中提取全聚化合物 (TPC) 的方法. 一个二级运动模型有效地描述了TPC提取,有助于过程优化废物利用.
科学领域:
- 食品科学与技术 食品科学与技术
- 化学工程是化学工程的重要组成部分.
- 生物技术是生物技术.
背景情况:
- 果果汁 (AP) 是生物活性化合物的丰富来源,特别是全聚化合物 (TPC).
- 从AP中有效提取TPC对于其价值化和在食品,制药和化品行业的潜在应用至关重要.
- 了解TPC提取的动力学对于过程优化和扩展至关重要.
研究的目的:
- 评估从果果汁中提取TPC的固体液体提取过程的动力建模.
- 调查温度和溶剂成分对TPC提取效率的影响.
- 确定最适合用于描述从AP中提取TPC的动力模型.
主要方法:
- 使用水,乙醇和乙混合物从果残渣中提取TPC的固体液体.
- 研究了温度 (例如60°C) 和溶剂成分 (例如65%的乙-35%的水) 的影响.
- 应用一级和二级动力模型来分析提取数据,确定动力参数,速率常数,和度和激活能量.
主要成果:
- 在60°C使用65%的乙-35%的水时,获得的最高TPC产量为11.1 ± 0.49 mg GAE/g db.
- 第二阶级的动力模型提供了足够的描述TPC从果果汁中提取的机制.
- 为提取过程确定了动力参数,包括速率常数和激活能量.
结论:
- 第二阶动力模型准确地描述了从AP中提取TPC时的质量转移机制.
- 优化的提取条件 (溶剂成分和温度) 提高了TPC产量.
- 这种动力学理解有助于设计,优化和控制大规模的果树价值化过程.
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