Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles
The over-production of free radicals in the body causes oxidant damage in the body. Currently, zinc oxide nanoparticles (ZnO NPs) are gaining attention of most scientists because of their excellent physical, chemical, and biological properties. In this work, the ZnO NPs were synthesized using the pe...
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IOP Publishing
2024-01-01
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| Series: | Materials Research Express |
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| Online Access: | https://doi.org/10.1088/2053-1591/ad6ca9 |
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| author | Ajay Kumar Tiwari Saket Jha Sharad Kumar Tripathi Ram Raseele Awasthi Abhishek Kumar Bhardwaj Abhimanyu Kumar Singh Anupam Dikshit |
| author_facet | Ajay Kumar Tiwari Saket Jha Sharad Kumar Tripathi Ram Raseele Awasthi Abhishek Kumar Bhardwaj Abhimanyu Kumar Singh Anupam Dikshit |
| author_sort | Ajay Kumar Tiwari |
| collection | DOAJ |
| description | The over-production of free radicals in the body causes oxidant damage in the body. Currently, zinc oxide nanoparticles (ZnO NPs) are gaining attention of most scientists because of their excellent physical, chemical, and biological properties. In this work, the ZnO NPs were synthesized using the petal extract of C. officinalis L. An absorbance spectrum of the synthesized ZnO NPs was recorded using an ultraviolet-visible (UV–Vis) spectrophotometer. The absorbance band around 368 nm confirms the formation of ZnO NPs. The transmission electron microscopy (TEM) analysis clearly shows that the most of the ZnO NPs are spherical in shape with average particle size ∼ 16 nm. The field emission scanning electron microscope (FE-SEM) result demonstrates the spherical morphology with large agglomeration of the particles. The energy-dispersive x-ray spectroscopy (EDS) result confirms the presence of Zn in the synthesized NPs’. The x-ray diffraction (XRD) peaks represent the crystalline structure of the ZnO NPs with average particle size ∼ 27.22 nm. Fourier transform infra-red (FT-IR) spectrum of synthesized ZnO NPs was recorded in the range of 4000-500 cm ^−1 . The ester and carboxylic groups were found at 1017 cm ^−1 , 952 cm ^−1 , 688 cm ^−1 , 609 cm ^−1 , and 514 cm ^−1 due to the presence of Zn-O band stretch in the FT-IR spectrum. Further synthesized material was evaluated by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay to evaluate its antioxidant activity. It showed that ZnO NPs exhibited significant antioxidant activity through scavenging DPPH free radicals. Thus, it could be seen that the synthesis of naturally occurring plant product ZnO NPs acts as an alternative chemical antioxidant. Hence, the herbal synthesized ZnO NPs are proven to be a potent antioxidant agent and can be used in several medicinal applications. |
| format | Article |
| id | doaj-art-237c81dca12f4a59aee5e2ce366c229e |
| institution | DOAJ |
| issn | 2053-1591 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
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| series | Materials Research Express |
| spelling | doaj-art-237c81dca12f4a59aee5e2ce366c229e2025-08-20T02:39:24ZengIOP PublishingMaterials Research Express2053-15912024-01-0111808500510.1088/2053-1591/ad6ca9Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticlesAjay Kumar Tiwari0https://orcid.org/0000-0002-0945-6077Saket Jha1https://orcid.org/0000-0003-3255-0974Sharad Kumar Tripathi2https://orcid.org/0000-0001-5942-8827Ram Raseele Awasthi3https://orcid.org/0000-0003-4156-2395Abhishek Kumar Bhardwaj4https://orcid.org/0000-0003-0069-2150Abhimanyu Kumar Singh5https://orcid.org/0000-0003-2969-2357Anupam Dikshit6https://orcid.org/0000-0003-1940-6249Department of Physics, Nehru Gram Bharati (Deemed to be University) , Prayagraj, U.P, 221505, IndiaDepartment of Surgery, University of Illinois at Chicago (UIC) , Chicago Illinois-60612, United States of AmericaDepartment of Life Sciences, Arni University , Kangra, H.P, 176401, IndiaFaculty of Engineering and Technology, Khwaja Moinuddin Chishti Language University , Lucknow, U.P, 226013, IndiaDepartment of Environmental Science, Amity School of Life Sciences, Amity University , Madhya Pradesh, Gwalior, M.P, 474005, IndiaDepartment of Physics, Shyama Prasad Mukherjee Government Degree College, University of Allahabad , Prayagraj, U.P, 211013, IndiaBiological Product Laboratory, Department of Botany, University of Allahabad , Prayagraj, U.P, 211002, IndiaThe over-production of free radicals in the body causes oxidant damage in the body. Currently, zinc oxide nanoparticles (ZnO NPs) are gaining attention of most scientists because of their excellent physical, chemical, and biological properties. In this work, the ZnO NPs were synthesized using the petal extract of C. officinalis L. An absorbance spectrum of the synthesized ZnO NPs was recorded using an ultraviolet-visible (UV–Vis) spectrophotometer. The absorbance band around 368 nm confirms the formation of ZnO NPs. The transmission electron microscopy (TEM) analysis clearly shows that the most of the ZnO NPs are spherical in shape with average particle size ∼ 16 nm. The field emission scanning electron microscope (FE-SEM) result demonstrates the spherical morphology with large agglomeration of the particles. The energy-dispersive x-ray spectroscopy (EDS) result confirms the presence of Zn in the synthesized NPs’. The x-ray diffraction (XRD) peaks represent the crystalline structure of the ZnO NPs with average particle size ∼ 27.22 nm. Fourier transform infra-red (FT-IR) spectrum of synthesized ZnO NPs was recorded in the range of 4000-500 cm ^−1 . The ester and carboxylic groups were found at 1017 cm ^−1 , 952 cm ^−1 , 688 cm ^−1 , 609 cm ^−1 , and 514 cm ^−1 due to the presence of Zn-O band stretch in the FT-IR spectrum. Further synthesized material was evaluated by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay to evaluate its antioxidant activity. It showed that ZnO NPs exhibited significant antioxidant activity through scavenging DPPH free radicals. Thus, it could be seen that the synthesis of naturally occurring plant product ZnO NPs acts as an alternative chemical antioxidant. Hence, the herbal synthesized ZnO NPs are proven to be a potent antioxidant agent and can be used in several medicinal applications.https://doi.org/10.1088/2053-1591/ad6ca9ZnO NPsC officinalis L.UV-Vis spectroscopyDPPHantioxidant etc |
| spellingShingle | Ajay Kumar Tiwari Saket Jha Sharad Kumar Tripathi Ram Raseele Awasthi Abhishek Kumar Bhardwaj Abhimanyu Kumar Singh Anupam Dikshit Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles Materials Research Express ZnO NPs C officinalis L. UV-Vis spectroscopy DPPH antioxidant etc |
| title | Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles |
| title_full | Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles |
| title_fullStr | Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles |
| title_full_unstemmed | Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles |
| title_short | Antioxidant response of Calendula officinalis L. assisted synthesized zinc oxide nanoparticles |
| title_sort | antioxidant response of calendula officinalis l assisted synthesized zinc oxide nanoparticles |
| topic | ZnO NPs C officinalis L. UV-Vis spectroscopy DPPH antioxidant etc |
| url | https://doi.org/10.1088/2053-1591/ad6ca9 |
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