Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications

Green nanoparticle synthesis is considered the most efficient and safe nanoparticle synthesis method, both economically and environmentally. The current research was focused on synthesizing zinc oxide nanoparticles (ZnONPs) from fruit and leaf extracts of <i>Citrullus colocynthis</i>. Fo...

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Main Authors: Bushra Hafeez Kiani, Qudsia Ajmal, Nosheen Akhtar, Ihsan-ul Haq, Mostafa A. Abdel-Maksoud, Abdul Malik, Mohammed Aufy, Nazif Ullah
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/12/2/362
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author Bushra Hafeez Kiani
Qudsia Ajmal
Nosheen Akhtar
Ihsan-ul Haq
Mostafa A. Abdel-Maksoud
Abdul Malik
Mohammed Aufy
Nazif Ullah
author_facet Bushra Hafeez Kiani
Qudsia Ajmal
Nosheen Akhtar
Ihsan-ul Haq
Mostafa A. Abdel-Maksoud
Abdul Malik
Mohammed Aufy
Nazif Ullah
author_sort Bushra Hafeez Kiani
collection DOAJ
description Green nanoparticle synthesis is considered the most efficient and safe nanoparticle synthesis method, both economically and environmentally. The current research was focused on synthesizing zinc oxide nanoparticles (ZnONPs) from fruit and leaf extracts of <i>Citrullus colocynthis</i>. Four solvents (n-hexane, methanol, ethyl acetate, and aqueous) were used to prepare the extracts from both plant parts by maceration and extraction. Zinc acetate was used to synthesize the nanoparticles (NPs), and color change indicated the synthesis of ZnONPs. X-ray diffraction, UV spectroscopy, and scanning electron microscopy were used to study the ZnONPs. UV–visible spectroscopy revealed an absorbance peak in the 350–400 nm range. XRD patterns revealed the face-centered cubic structure of the ZnONPs. SEM confirmed a spherical morphology and a size range between 64 and 82 nm. Phytochemical assays confirmed that the complete flavonoid, phenolic, and alkaloid concentrations were higher in unrefined solvent extracts than in nanoparticles. Nanoparticles of <i>C. colocynthis</i> fruit aqueous extracts showed stronger antioxidant activity compared with the crude extracts. Strong antifungal activity was exhibited by the leaves, crude extracts, and nanoparticles of the n-hexane solvent. In a protein kinase inhibition assay, the maximum bald zone was revealed by nanoparticles of ethyl acetate extracts from leaves. The crude extracts and nanoparticles of leaves showed high cytotoxic activities of the n-hexane solvent, with LC<sub>50</sub> values of 42.08 and 46.35, respectively. Potential antidiabetic activity was shown by the n-hexane (93.42%) and aqueous (82.54%) nanoparticles of the fruit. The bioactivity of the plant showed that it is a good candidate for therapeutic use. The biosynthesized ZnONPs showed promising antimicrobial, cytotoxic, antidiabetic, and antioxidant properties. Additionally, the in vivo assessment of a nano-directed drug delivery system for future therapeutic use can be conducted based on this study.
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spelling doaj.art-09fdf5ac7f3045bc9011de70938dc3f62023-12-01T00:05:37ZengMDPI AGPlants2223-77472023-01-0112236210.3390/plants12020362Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical ApplicationsBushra Hafeez Kiani0Qudsia Ajmal1Nosheen Akhtar2Ihsan-ul Haq3Mostafa A. Abdel-Maksoud4Abdul Malik5Mohammed Aufy6Nazif Ullah7Department of Biological Sciences, International Islamic University, Islamabad 44000, PakistanDepartment of Biological Sciences, International Islamic University, Islamabad 44000, PakistanDepartment of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, PakistanDepartment of Pharmacy, Quaid-i-Azam University, Islamabad 45320, PakistanDepartment of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11149, Saudi ArabiaDepartment of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, 1010 Vienna, AustriaDepartment of Biotechnology, Faculty of Chemical and Life Sciences, Abdul Wali Khan University, Mardan 23200, PakistanGreen nanoparticle synthesis is considered the most efficient and safe nanoparticle synthesis method, both economically and environmentally. The current research was focused on synthesizing zinc oxide nanoparticles (ZnONPs) from fruit and leaf extracts of <i>Citrullus colocynthis</i>. Four solvents (n-hexane, methanol, ethyl acetate, and aqueous) were used to prepare the extracts from both plant parts by maceration and extraction. Zinc acetate was used to synthesize the nanoparticles (NPs), and color change indicated the synthesis of ZnONPs. X-ray diffraction, UV spectroscopy, and scanning electron microscopy were used to study the ZnONPs. UV–visible spectroscopy revealed an absorbance peak in the 350–400 nm range. XRD patterns revealed the face-centered cubic structure of the ZnONPs. SEM confirmed a spherical morphology and a size range between 64 and 82 nm. Phytochemical assays confirmed that the complete flavonoid, phenolic, and alkaloid concentrations were higher in unrefined solvent extracts than in nanoparticles. Nanoparticles of <i>C. colocynthis</i> fruit aqueous extracts showed stronger antioxidant activity compared with the crude extracts. Strong antifungal activity was exhibited by the leaves, crude extracts, and nanoparticles of the n-hexane solvent. In a protein kinase inhibition assay, the maximum bald zone was revealed by nanoparticles of ethyl acetate extracts from leaves. The crude extracts and nanoparticles of leaves showed high cytotoxic activities of the n-hexane solvent, with LC<sub>50</sub> values of 42.08 and 46.35, respectively. Potential antidiabetic activity was shown by the n-hexane (93.42%) and aqueous (82.54%) nanoparticles of the fruit. The bioactivity of the plant showed that it is a good candidate for therapeutic use. The biosynthesized ZnONPs showed promising antimicrobial, cytotoxic, antidiabetic, and antioxidant properties. Additionally, the in vivo assessment of a nano-directed drug delivery system for future therapeutic use can be conducted based on this study.https://www.mdpi.com/2223-7747/12/2/362biological activities<i>Citrullus colocynthis</i>enzyme inhibition assayszinc oxide nanoparticles
spellingShingle Bushra Hafeez Kiani
Qudsia Ajmal
Nosheen Akhtar
Ihsan-ul Haq
Mostafa A. Abdel-Maksoud
Abdul Malik
Mohammed Aufy
Nazif Ullah
Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
Plants
biological activities
<i>Citrullus colocynthis</i>
enzyme inhibition assays
zinc oxide nanoparticles
title Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
title_full Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
title_fullStr Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
title_full_unstemmed Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
title_short Biogenic Synthesis of Zinc Oxide Nanoparticles Using <i>Citrullus colocynthis</i> for Potential Biomedical Applications
title_sort biogenic synthesis of zinc oxide nanoparticles using i citrullus colocynthis i for potential biomedical applications
topic biological activities
<i>Citrullus colocynthis</i>
enzyme inhibition assays
zinc oxide nanoparticles
url https://www.mdpi.com/2223-7747/12/2/362
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