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Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films
Neem leaves extract was incorporated into the matrix of seaweed biopolymer, and the seaweed-neem biocomposite films were irradiated with various doses of gamma irradiation (0.5, 1.5, 2.5, 3.5, and 4.5 kGy). The physical, barrier, antimicrobial, and mechanical properties of the films were studied. Th...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7284887/ https://www.ncbi.nlm.nih.gov/pubmed/32422913 http://dx.doi.org/10.3390/polym12051119 |
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author | Uthaya Kumar, U. Seeta Abdulmadjid, S. N. Olaiya, N. G. Amirul, A. A. Rizal, S. Rahman, A. A. Alfatah, Tata Mistar, E. M. Abdul Khalil, H. P. S. |
author_facet | Uthaya Kumar, U. Seeta Abdulmadjid, S. N. Olaiya, N. G. Amirul, A. A. Rizal, S. Rahman, A. A. Alfatah, Tata Mistar, E. M. Abdul Khalil, H. P. S. |
author_sort | Uthaya Kumar, U. Seeta |
collection | PubMed |
description | Neem leaves extract was incorporated into the matrix of seaweed biopolymer, and the seaweed-neem biocomposite films were irradiated with various doses of gamma irradiation (0.5, 1.5, 2.5, 3.5, and 4.5 kGy). The physical, barrier, antimicrobial, and mechanical properties of the films were studied. The incorporation of 5% w/w neem leaves extract into a seaweed-based film, and gamma irradiation dose of 2.5 kGy was most effective for improved properties of the film. The results showed that the interfacial interaction of the seaweed-neem improved with physical changes in colour and opacity. The water solubility, moisture content, and water vapour permeability and biodegradability rate of the film reduced. The contact angle values increased, which was interpreted as improved hydrophobicity. The tensile strength and modulus of the films increased, while the elongation of the composite films decreased compared to the control film. The film’s antimicrobial activities against bacteria were improved. Thus, neem leaves extract in combination with the application of gamma irradiation enhanced the performance properties of the film that has potential as packaging material. |
format | Online Article Text |
id | pubmed-7284887 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-72848872020-06-17 Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films Uthaya Kumar, U. Seeta Abdulmadjid, S. N. Olaiya, N. G. Amirul, A. A. Rizal, S. Rahman, A. A. Alfatah, Tata Mistar, E. M. Abdul Khalil, H. P. S. Polymers (Basel) Article Neem leaves extract was incorporated into the matrix of seaweed biopolymer, and the seaweed-neem biocomposite films were irradiated with various doses of gamma irradiation (0.5, 1.5, 2.5, 3.5, and 4.5 kGy). The physical, barrier, antimicrobial, and mechanical properties of the films were studied. The incorporation of 5% w/w neem leaves extract into a seaweed-based film, and gamma irradiation dose of 2.5 kGy was most effective for improved properties of the film. The results showed that the interfacial interaction of the seaweed-neem improved with physical changes in colour and opacity. The water solubility, moisture content, and water vapour permeability and biodegradability rate of the film reduced. The contact angle values increased, which was interpreted as improved hydrophobicity. The tensile strength and modulus of the films increased, while the elongation of the composite films decreased compared to the control film. The film’s antimicrobial activities against bacteria were improved. Thus, neem leaves extract in combination with the application of gamma irradiation enhanced the performance properties of the film that has potential as packaging material. MDPI 2020-05-14 /pmc/articles/PMC7284887/ /pubmed/32422913 http://dx.doi.org/10.3390/polym12051119 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Uthaya Kumar, U. Seeta Abdulmadjid, S. N. Olaiya, N. G. Amirul, A. A. Rizal, S. Rahman, A. A. Alfatah, Tata Mistar, E. M. Abdul Khalil, H. P. S. Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title | Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title_full | Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title_fullStr | Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title_full_unstemmed | Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title_short | Extracted Compounds from Neem Leaves as Antimicrobial Agent on the Physico-Chemical Properties of Seaweed-Based Biopolymer Films |
title_sort | extracted compounds from neem leaves as antimicrobial agent on the physico-chemical properties of seaweed-based biopolymer films |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7284887/ https://www.ncbi.nlm.nih.gov/pubmed/32422913 http://dx.doi.org/10.3390/polym12051119 |
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