ZnO nanoparticles impregnated with Hibiscus sabdariffa L. extract: Characterization and antimicrobial activity

IF 0.5 Q4 BIOLOGY Revista Bio Ciencias Pub Date : 2023-10-04 DOI:10.15741/revbio.10.e1473

F.F. Razura-Carmona, T.P. Altamirano-Medina, A.Y. Bueno-Durán, S.G. Sáyago-Ayerdi, M.I. Girón-Pérez, Bautista-Rosales P.U., A. Pérez-Larios, J.A. Sánchez-Burgos, Jorge Alberto Sánchez Burgos

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Abstract

Zinc oxide can be a vehicle for the encapsulation of bioactive compounds obtained from Hibiscus sabdariffa L by-products due to its mesoporous structure. The nanoparticles obtained with zinc nitrate showed an average particle size of 120 mn, when impregnated with ultrasound-assisted extract of Jamaican by-product did not show morphological alterations, however; it was observed that there is a modification of the ZnO energy bands attributed to the interactions between ZnO and the extract molecules. T1.0% and T1.5% presented higher inhibition on Listeria Monocytogenes, Staphylococcus aureus, Escherichia coli and Staphylococcus mutans compared to T0.5% and EUSJ. The results show that the synthesis process and the impregnation of Jamaican by-product extracts have interesting antibacterial properties associated with the potentiating effect of ZnO and extract, which can be a starting point for further studies on some applications or other types of microorganisms

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木芙蓉提取物浸渍氧化锌纳米颗粒:表征及抑菌活性

氧化锌具有介孔结构，可作为木槿副产物生物活性化合物包封的载体。用硝酸锌获得的纳米颗粒显示平均粒径为120 mn，然而，当用牙买加副产物的超声辅助提取物浸渍时，没有显示形态改变;结果表明，由于氧化锌与萃取物分子之间的相互作用，氧化锌的能带发生了改变。T1.0%和T1.5%对单核增生李斯特菌、金黄色葡萄球菌、大肠杆菌和变形葡萄球菌的抑制作用高于T0.5%和EUSJ。结果表明，牙买加副产物提取物的合成和浸渍过程具有与氧化锌和提取物的增强作用相关的有趣的抗菌性能，这可以为进一步研究某些应用或其他类型微生物提供起点

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Revista Bio Ciencias BIOLOGY-

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32 weeks