Exploring citrus waste's potential as an antioxidant, antibacterial, and anti-corrosion agent

IF 2.218 Q2 Chemistry

Chemical Data Collections Pub Date : 2024-01-07 DOI:10.1016/j.cdc.2024.101114

A. Najem , M. Boudalia , M. Sabiha , A. Laqhaili , A. Chibani , N. Chahboun , A. Bellaouchou , A. Zarrouk

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Abstract

Citrus reticulata Blanco essential oil was extracted using hydrodistillation, and its chemical profile was analyzed via GC/MS to give limonene as the major component (81.90 %). C. reticulata demonstrated remarkable antioxidant potential in DPPH (1,1-diphenyl-2-picrylhydrazyl) with in IC₅₀ (2.01 ± 0.01 mg/mL), ABTS (bleaching assay) (3.47 ± 0.02 mg/mL), and FRAP (iron reduction) (4.71 ± 0.43 mg/mL) assays, surpassing pure limonene. A synergistic effect was a key feature. In antibacterial tests, C. reticulata exhibited significant activity with a minimum inhibitory concentration (MIC) ranging from 12.5 to 25 µL/mL against four various bacteria (Staphylococcus aureus, Bacillus subtilis, Proteus mirabilis and Escherichia coli). Moreover, C. reticulata displayed impressive anti-corrosion capabilities, achieving up to 92.5 % protection at 1000 ppm using PDP, and 93.1 % using EIS and 90.1 % using WL. Langmuir adsorption isotherm analysis supported inhibitor adsorption, and potentiodynamic polarization curves confirmed its mixed-type action. These findings highlight C. reticulata's promise as a natural antioxidant, antimicrobial, and anti-corrosion agent.

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探索柑橘废料作为抗氧化剂、抗菌剂和防腐剂的潜力

采用水蒸馏法提取了布兰科柑橘（Citrus reticulata Blanco）精油，并通过气相色谱/质谱（GC/MS）对其化学成分进行了分析，得出柠檬烯为主要成分（81.90%）。在 DPPH（1,1-二苯基-2-苦基肼）、ABTS（漂白试验）（3.47 ± 0.02 毫克/毫升）和 FRAP（铁还原试验）（4.71 ± 0.43 毫克/毫升）试验中，C. reticulata 表现出显著的抗氧化潜力，其 IC50（2.01 ± 0.01 毫克/毫升）、ABTS（漂白试验）（3.47 ± 0.02 毫克/毫升）和 FRAP（铁还原试验）（4.71 ± 0.43 毫克/毫升）均超过了纯柠檬烯。协同效应是其主要特征。在抗菌测试中，网纹草对四种不同细菌（金黄色葡萄球菌、枯草杆菌、变形杆菌和大肠杆菌）具有显著的活性，最低抑菌浓度（MIC）为 12.5 至 25 µL/mL。此外，C. reticulata 还显示出令人印象深刻的抗腐蚀能力，在 1000 ppm 的浓度下，使用 PDP 可达到 92.5%的保护率，使用 EIS 可达到 93.1%，使用 WL 可达到 90.1%。朗缪尔吸附等温线分析支持抑制剂的吸附，而电位极化曲线则证实了其混合型作用。这些发现凸显了 C. reticulata 作为天然抗氧化剂、抗菌剂和防腐剂的前景。

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来源期刊

Chemical Data Collections Chemistry-Chemistry (all)

CiteScore

6.10

自引率

0.00%

发文量

169

审稿时长

24 days

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