Green synthesis of copper nanoparticles by using pineapple peel waste: in vitro characterizations and antibacterial potential.

IF 3.5 3区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Bioprocess and Biosystems Engineering Pub Date : 2024-08-01 Epub Date: 2024-03-27 DOI:10.1007/s00449-024-02982-w
Sanchita Mitra, Tarun Kumar Dua, Serina Easmin, Sucheta Sarkar, Arijit Prosad Roy, Ranabir Sahu, Gouranga Nandi, Md Salman Haydar, Swarnendu Roy, Paramita Paul
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Abstract

A considerable amount of fruit waste is being produced every day worldwide. The green synthesis of metal nanoparticles from fruit peel waste can be an innovative, cost-effective, and eco-friendly alternative to traditional methods. Copper nanoparticles (CuNPs) were synthesized by a green method using the pineapple peels extract (PLX) and copper sulfate pentahydrate. The formation of CuNPs was visually identified and detected by UV-Visible spectroscopy. The CuNPs were characterized by Fourier-transform infrared (FTIR) spectroscopy, particle size analyzer, scanning electron microscopy (SEM), and X-ray diffraction (XRD). The antioxidant and reducing power of CuNPs were conducted by %DPPH scavenging and electron transfer-based ferric reducing antioxidant power (FRAP) assay, respectively. The antibacterial properties of CuNPs were determined in gram-positive, and gram-negative bacteria. The results showed that the CuNPs were spherical in shape with mean particle size 290.5 nm. The zeta potential of the nanoparticles was found to be - 12.3 mV indicating the instability in the colloidal state. The FTIR study confirmed the peaks of phytochemicals present in the PLX and the nanoparticles supporting the use of pineapple peels as stabilizing, reducing and capping agents. Both the DPPH and reducing power assay depicted that the synthesized CuNPs had significant antioxidant activity. However, the synthesized CuNPs had strong inhibitory capacity against both gram-positive and gram-negative test organisms. Thus, the CuNPS could be used for its viable antibacterial potential to preserve fruits, flowers, and vegetables from bacterial contamination.

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利用菠萝皮废弃物绿色合成纳米铜粒子:体外表征和抗菌潜力。
全世界每天都会产生大量的水果废料。利用果皮废弃物绿色合成金属纳米粒子是一种创新、经济、环保的方法,可替代传统方法。本研究采用菠萝果皮提取物(PLX)和五水硫酸铜,以绿色方法合成了纳米铜粒子(CuNPs)。CuNPs 的形成可通过肉眼识别,并可通过紫外可见光谱检测。傅立叶变换红外光谱(FTIR)、粒度分析仪、扫描电子显微镜(SEM)和 X 射线衍射(XRD)对 CuNPs 进行了表征。CuNPs 的抗氧化性和还原力分别通过%DPPH 清除率和基于电子传递的铁还原抗氧化力(FRAP)测定法进行了检测。还测定了 CuNPs 在革兰氏阳性菌和革兰氏阴性菌中的抗菌特性。结果表明,CuNPs 呈球形,平均粒径为 290.5 nm。纳米颗粒的 zeta 电位为 - 12.3 mV,表明其胶体状态不稳定。傅立叶变换红外光谱(FTIR)研究证实了 PLX 和纳米颗粒中存在的植物化学物质峰,支持使用菠萝皮作为稳定剂、还原剂和封盖剂。DPPH 和还原力分析表明,合成的 CuNPs 具有显著的抗氧化活性。不过,合成的 CuNPs 对革兰氏阳性和阴性试验生物都有很强的抑制能力。因此,CuNPS 具有可行的抗菌潜力,可用于保存水果、鲜花和蔬菜,使其免受细菌污染。
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来源期刊
Bioprocess and Biosystems Engineering
Bioprocess and Biosystems Engineering 工程技术-工程:化工
CiteScore
7.90
自引率
2.60%
发文量
147
审稿时长
2.6 months
期刊介绍: Bioprocess and Biosystems Engineering provides an international peer-reviewed forum to facilitate the discussion between engineering and biological science to find efficient solutions in the development and improvement of bioprocesses. The aim of the journal is to focus more attention on the multidisciplinary approaches for integrative bioprocess design. Of special interest are the rational manipulation of biosystems through metabolic engineering techniques to provide new biocatalysts as well as the model based design of bioprocesses (up-stream processing, bioreactor operation and downstream processing) that will lead to new and sustainable production processes. Contributions are targeted at new approaches for rational and evolutive design of cellular systems by taking into account the environment and constraints of technical production processes, integration of recombinant technology and process design, as well as new hybrid intersections such as bioinformatics and process systems engineering. Manuscripts concerning the design, simulation, experimental validation, control, and economic as well as ecological evaluation of novel processes using biosystems or parts thereof (e.g., enzymes, microorganisms, mammalian cells, plant cells, or tissue), their related products, or technical devices are also encouraged. The Editors will consider papers for publication based on novelty, their impact on biotechnological production and their contribution to the advancement of bioprocess and biosystems engineering science. Submission of papers dealing with routine aspects of bioprocess engineering (e.g., routine application of established methodologies, and description of established equipment) are discouraged.
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