Optimization of extraction of liquid extract from microalgae Chlorella vulgaris via cavitation-based techniques

IF 2.7 3区农林科学 Q3 ENGINEERING, CHEMICAL Journal of Food Process Engineering Pub Date : 2024-07-31 DOI:10.1111/jfpe.14665

Fatemeh Jamshidi-Kia, Keramatolah Saeidi, Zahra Lorigooini, Bahram Hosseinzadeh Samani, Rahim Barzegar

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Abstract

Microalgae are a high-potential source of biomolecules. Therefore, extracting bioactive components from microalgae with efficient and green extraction techniques is an important objective in many research. Cavitation-based extraction is gaining widespread attention as an environmentally friendly method due to its reduced energy and solvent consumption, enhanced extraction yield, improved extract quality, and reduced extraction time to extract bioactive products. This study aims to examine and optimize the extraction method for bioactive products from Chlorella vulgaris using Cavitation-based techniques compared with the traditional method to enhance the efficiency of extracting liquid extract. This experiment examined the extraction of bioactive components using various extraction methods, including Maceration, ultrasound-assisted extraction (UAE) (2–8 min) and hydrodynamic cavitation extraction (HCE) (1–5 min) was investigated regarding the extract's minerals, vitamins, amino acids, phytohormones, and total carbohydrates. The experimental design followed a response surface methodology to assess the effects of ultrasound-assisted and hydrodynamic cavitation extraction of liquid extract. The optimum time for maximum content of bioactive components using UAE and HCE was obtained at 7.87 and 1.76 min, respectively. This study showed that in comparing the three methods, Maceration (ME), UAE, and HCE, the UAC method was more useful and had a shorter extraction time compared with the ME and HCE methods for extracting bioactive products from C. vulgaris. Also HCE was more useful compared with the ME method. These results demonstrate that the cavitation-based extraction methods are more effective and efficient than traditional extraction methods.

Practical applications

Extract of Microalgae Chlorella vulgaris is a high-potential source of bioactive compounds.
Ultrasonic is one of the most effective techniques for the extraction of bioactive compounds of microalgae.
The Hydrodynamic cavitation technology can be considered a green technology for large-scale extraction of bioactive compounds of microalgae.
The cavitation-based extraction methods are more efficient than traditional extraction methods.
Optimization of the extraction techniques can promote reductions in cost and time.

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通过空化技术优化微藻小球藻液体提取物的提取方法

微藻是一种极具潜力的生物大分子来源。因此，采用高效、绿色的萃取技术从微藻中提取生物活性成分是许多研究的重要目标。基于空化的萃取技术因其减少能源和溶剂消耗、提高萃取率、改善萃取物质量、缩短生物活性产品萃取时间等优点，作为一种环境友好型方法受到广泛关注。与传统方法相比，本研究旨在研究和优化基于空化技术的小球藻生物活性产品提取方法，以提高液体提取物的提取效率。本实验采用浸渍法、超声辅助萃取法（UAE）（2-8 分钟）和流体动力空化萃取法（HCE）（1-5 分钟）等多种萃取方法对提取物中的矿物质、维生素、氨基酸、植物激素和总碳水化合物等生物活性成分进行了研究。实验设计遵循响应面方法，以评估超声辅助萃取和流体动力空化萃取对液体提取物的影响。使用 UAE 和 HCE 提取生物活性成分的最佳时间分别为 7.87 分钟和 1.76 分钟。这项研究表明，在比较浸渍法（ME）、UAE 和 HCE 这三种方法时，UAC 法比 ME 和 HCE 法更有效，提取时间更短。此外，与 ME 方法相比，HCE 方法更有用。这些结果表明，基于空化的提取方法比传统的提取方法更有效、更高效。超声波是提取微藻生物活性化合物最有效的技术之一。水动力空化技术可被视为大规模提取微藻生物活性化合物的绿色技术。基于空化的萃取方法比传统萃取方法更有效。优化萃取技术可以降低成本，缩短时间。

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来源期刊

Journal of Food Process Engineering 工程技术-工程：化工

CiteScore

5.70

自引率

10.00%

发文量

259

审稿时长

2 months

期刊介绍： This international research journal focuses on the engineering aspects of post-production handling, storage, processing, packaging, and distribution of food. Read by researchers, food and chemical engineers, and industry experts, this is the only international journal specifically devoted to the engineering aspects of food processing. Co-Editors M. Elena Castell-Perez and Rosana Moreira, both of Texas A&M University, welcome papers covering the best original research on applications of engineering principles and concepts to food and food processes.