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Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity

Harmful chemical waste is a serious problem being faced during the synthesis of na-noparticles due to the usage of hazardous chemicals. Synthesis of silver nanoparticles using aqueous extract of the leaves of C. odorata is cheap and environmentally friendly. This study reports the synthesis of silve...

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Main Authors: Hashim, Siti Ernieyanti, John, Angelle Patrick
Format: Article
Language:English
Published: Brawijaya University 2023
Subjects:
QD Chemistry
Online Access:http://eprints.utm.my/104985/1/SitiErnieyantiHashim2023_GreenSynthesisofSilverNanoparticles.pdf
http://eprints.utm.my/104985/
http://dx.doi.org/10.11594/jtls.13.02.08
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spelling my.utm.1049852024-04-01T06:54:34Z http://eprints.utm.my/104985/ Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity Hashim, Siti Ernieyanti John, Angelle Patrick QD Chemistry Harmful chemical waste is a serious problem being faced during the synthesis of na-noparticles due to the usage of hazardous chemicals. Synthesis of silver nanoparticles using aqueous extract of the leaves of C. odorata is cheap and environmentally friendly. This study reports the synthesis of silver nanoparticles (AgNPs) using C. odorata aqueous extract as reducing agent. The leaves of C. odorata was extracted by using cold maceration technique. The phytochemicals screening of leaves was done and positive results was showed for the presence of flavonoids, tannins, saponins, and phenolics in the leaves extract of C. odorata. The synthesized C. odorata extract mediated AgNPs was characterized using several techniques including UV-Visible spec-troscopy and Field Emission Scanning Electron Microscopy (FESEM). The reduction of pure Ag (I) ions to Ag (0) was monitored using UV-Vis every one hour after 24 hours up to 28 hours and it showed an absorption band at 430-450 nm. Field emission scanning electron microscopy (FESEM) was utilized to determine its particle size and the average particle size obtained was 27.3 nm. The silver nanoparticles (AgNPs) produced by using C. odorata leaves aqueous extract was determined for its antioxidant activity by using DPPH free radical scavenging assay. The IC50 value obtained was 277.29 mg/ml. Based on the results obtained, it indicates that the silver nanoparticles (AgNPs) produced using C. odorata leaves aqueous extract possessed antioxidant activity that can scavenge free radicals. Brawijaya University 2023-05-25 Article PeerReviewed application/pdf en http://eprints.utm.my/104985/1/SitiErnieyantiHashim2023_GreenSynthesisofSilverNanoparticles.pdf Hashim, Siti Ernieyanti and John, Angelle Patrick (2023) Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity. Journal of Tropical Life Science, 13 (2). pp. 305-310. ISSN 2087-5517 http://dx.doi.org/10.11594/jtls.13.02.08 DOI:10.11594/jtls.13.02.08
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic QD Chemistry
spellingShingle QD Chemistry
Hashim, Siti Ernieyanti
John, Angelle Patrick
Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
description Harmful chemical waste is a serious problem being faced during the synthesis of na-noparticles due to the usage of hazardous chemicals. Synthesis of silver nanoparticles using aqueous extract of the leaves of C. odorata is cheap and environmentally friendly. This study reports the synthesis of silver nanoparticles (AgNPs) using C. odorata aqueous extract as reducing agent. The leaves of C. odorata was extracted by using cold maceration technique. The phytochemicals screening of leaves was done and positive results was showed for the presence of flavonoids, tannins, saponins, and phenolics in the leaves extract of C. odorata. The synthesized C. odorata extract mediated AgNPs was characterized using several techniques including UV-Visible spec-troscopy and Field Emission Scanning Electron Microscopy (FESEM). The reduction of pure Ag (I) ions to Ag (0) was monitored using UV-Vis every one hour after 24 hours up to 28 hours and it showed an absorption band at 430-450 nm. Field emission scanning electron microscopy (FESEM) was utilized to determine its particle size and the average particle size obtained was 27.3 nm. The silver nanoparticles (AgNPs) produced by using C. odorata leaves aqueous extract was determined for its antioxidant activity by using DPPH free radical scavenging assay. The IC50 value obtained was 277.29 mg/ml. Based on the results obtained, it indicates that the silver nanoparticles (AgNPs) produced using C. odorata leaves aqueous extract possessed antioxidant activity that can scavenge free radicals.
format Article
author Hashim, Siti Ernieyanti
John, Angelle Patrick
author_facet Hashim, Siti Ernieyanti
John, Angelle Patrick
author_sort Hashim, Siti Ernieyanti
title Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
title_short Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
title_full Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
title_fullStr Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
title_full_unstemmed Green synthesis of silver nanoparticles using leaves of Chromolaena odorata and its antioxidant activity
title_sort green synthesis of silver nanoparticles using leaves of chromolaena odorata and its antioxidant activity
publisher Brawijaya University
publishDate 2023
url http://eprints.utm.my/104985/1/SitiErnieyantiHashim2023_GreenSynthesisofSilverNanoparticles.pdf
http://eprints.utm.my/104985/
http://dx.doi.org/10.11594/jtls.13.02.08
_version_ 1797905681340170240
score 13.211869

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