从番茄残留物中提取化合物和黄类化合物,使用高压高温先进方法
Nidal Zrikam1,2, Amine Ezzariai1, Youssef El Kharrassi1
1African Sustainable Agriculture Research Institute (ASARI), University Mohammed VI Polytechnic (UM6P), Laâyoune, Morocco.
Frontiers in chemistry
|February 9, 2026
概括
番茄废料是生物活性化合物的丰富来源. 高压高温反应器提取有效地回收酸和黄酸,为化品和营养药品应用提供可持续的替代方案.
科学领域:
- 农业科学 农业科学
- 生物技术是生物技术.
- 绿色化学 绿色化学
背景情况:
- 番茄残留物代表着一个重要的,未充分利用的生物质来源,丰富的有价值的生物活性化合物,如酸和黄酸.
- 目前从植物废物中提取这些化合物的提取方法往往缺乏效率或可扩展性.
研究的目的:
- 研究高压-高温反应器技术在从番茄废物 (茎和叶子) 中提取酸和黄的有效性.
- 使用多变量方法优化提取条件,并比较技术的性能与传统和新兴方法.
- 评估获得的提取物对潜在应用的抗氧化和酶性质.
主要方法:
- 使用高压温度反应器进行提取,通过多变量分析优化温度,压力,时间和溶剂比等参数.
- 将帕尔反应堆方法与索克斯莱特,化和超声波辅助提取技术进行了比较.
- 评估了提取物的生物活性,包括抗氧化能力 (DPPH,FRAP测定) 和抗乳酶潜力.
主要成果:
- 在适度条件下 (25°C,180分钟,10bar,30%乙醇) 达到31.2% (茎) 和53.9% (叶) 的最大提取产量.
- 获得了最高的 (1240.89毫克GA/g) 和黄 (59.32毫克QE/g) 含量在160°C和10酒吧使用70-100%的乙醇.
- 最佳提取物表现出强烈的抗氧化活性 (高达85%的DPPH抑制) 和显著的抗elastase潜力 (>90%的抑制).
- 巴雷托分析确定温度和溶剂极性是影响提取效率的关键因素.
结论:
- 高压-高温反应堆提取是一种优越,高效和可扩展的方法,用于从番茄废物中回收生物活性和黄化合物.
- 优化的提取物具有显著的抗氧化和抗乳酶特性,表明化品和营养药品行业的潜力.
- 这项技术通过利用农业加工废物来支持循环生物经济.
相关概念视频
00:56Extraction: Advanced Methods
1.2K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.2K
01:07Residual Plots
6.5K
A residual plot is a statistical representation of data used to analyze correlation and regression results. It helps verify the requirements for drawing specific conclusions about correlation and regression. To obtain the residual plot, first, the residual for each data value is calculated, which is simply the vertical distance between the observed and the predicted value obtained from the regression equation.
When the residual values are plotted against the variable x, it is called a residual...
When the residual values are plotted against the variable x, it is called a residual...
6.5K
01:26Residual Stresses
658
Residual stresses reside in a structure even after removing the original stress inducer. This phenomenon often arises from varied plastic deformations across different parts of a structure. Consider a rod stretched beyond its yield point. It will not regain its original length due to permanent deformation. Even after load removal, the rod does not entirely lose stress because of uneven plastic deformations, resulting in residual stresses. The computation of these stresses in structures is...
658
01:17Oxidation of Phenols to Quinones
4.8K
In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
4.8K
01:10Residual Stresses in Circular Shafts
547
In materials that exhibit elastic and plastic behavior, known as elastoplastic materials, residual stresses can accumulate when these materials experience plastic deformation. This deformation arises from either high levels of shearing stress or significant strains. Residual stresses are internal stresses that persist within a material after removing the external force causing deformation. This phenomenon is demonstrated when observing the behavior of a shaft under torque; notably, the...
547
01:23Physical Methods for Controlling Microbial Growth: Temperature
1.2K
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
1.2K