Development of an efficient process to extract C-phycocyanin from marine cyanobacterial strains and evaluation of its bioactive potential

IF 2.8 4区 生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Journal of chemical technology and biotechnology Pub Date : 2024-06-14 DOI:10.1002/jctb.7693
Mahammed Ilyas Khazi, Zeliha Demirel, Fakhra Liaqat, Rengin Eltem, Meltem Conk Dalay
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Abstract

BACKGROUND

Phycocyanin (PC), a natural blue photosynthetic pigment found in cyanobacteria, rhodophyta and cryptophyta has numerous applications in biotechnology and the food industry. The phycocyanin extraction method has a significant impact on its bioactivities, purity index, cost and potential applications; thus, the development of an efficient extraction strategy continues to be a primary research goal.

RESULTS

This study evaluated the efficacy of different methods for the extraction of cyanobacterial phycocyanin (C-PC) from three marine cyanobacterial isolates, namely Arthrospira platensis, Phormidium sp. and Pseudoscillatoria sp. wet biomass. The pretreatment step of soaking biomass in extraction buffer for 60 min, followed by a combination of freeze–thaw (one cycle; 2 h) and sonication (2 min) treatment was found to be the most effective extraction strategy, producing the highest C-PC yield (16.19 ± 0.34%, 15.89 ± 0.61% and 15.56 ± 0.69% dry cell weight for strains A. platensis, Phormidium sp. and Pseudoscillatoria sp., respectively). Furthermore, a biomass-to-solvent ratio of 0.02 g mL−1 was optimal to attain food-grade purity ((A620/A280) ≥ 0.7). Bioactivity evaluation of crude and purified C-PC exhibited its potential as antioxidant compounds and as an antimicrobial agent with significant inhibitory effects against various pathogenic microorganisms.

CONCLUSION

The study proposed an efficient and cost-effective C-PC extraction process for cyanobacteria and highlighted the potential of C-PC as a valuable bioactive compound with various applications. © 2024 Society of Chemical Industry (SCI).

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开发从海洋蓝藻菌株中提取 C-phycocyanin 的高效工艺并评估其生物活性潜力
藻蓝蛋白(PC)是一种存在于蓝藻、红藻和隐藻中的天然蓝色光合色素,在生物技术和食品工业中有着广泛的应用。本研究评估了从三种海洋蓝藻分离物(即 Arthrospira platensis、Phormidium sp.和 Pseudoscillatoria sp.)湿生物质中提取蓝藻藻蓝蛋白(C-PC)的不同方法的功效。研究发现,将生物质在萃取缓冲液中浸泡 60 分钟,然后进行冻融(一个周期;2 小时)和超声(2 分钟)处理是最有效的萃取策略,可产生最高的 C-PC 产量(A. platensis 菌株、Phormidium sp.菌株和 Pseudoscillatoria sp.菌株的干细胞重量分别为 16.19 ± 0.34%、15.89 ± 0.61% 和 15.56 ± 0.69%)。此外,要达到食品级纯度((A620/A280) ≥ 0.7),生物质与溶剂的比率为 0.02 g mL-1 是最佳的。该研究提出了一种高效、经济的蓝藻 C-PC 提取工艺,并强调了 C-PC 作为一种有价值的生物活性化合物的各种应用潜力。© 2024 化学工业学会(SCI)。
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来源期刊
CiteScore
7.00
自引率
5.90%
发文量
268
审稿时长
1.7 months
期刊介绍: Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.
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