Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation
Continuous fruit waste poses significant environmental and economic challenges, necessitating innovative fruit coating technologies. This research focuses on harnessing discarded orange peels to extract essential oil (OPEO), which is then integrated into a chitosan/aloe vera (CTS/AVG) matrix. The st...
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Elsevier B.V.
2024
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my.ums.eprints.388712024-06-18T02:11:24Z https://eprints.ums.edu.my/id/eprint/38871/ Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation Ling, Felicia Wen Xia Rovina Kobun Nasir Md Nur Aqilah Sylvester Mantihal Nurul Huda RM300-666 Drugs and their actions TP1-1185 Chemical technology TX341-641 Nutrition. Foods and food supply Continuous fruit waste poses significant environmental and economic challenges, necessitating innovative fruit coating technologies. This research focuses on harnessing discarded orange peels to extract essential oil (OPEO), which is then integrated into a chitosan/aloe vera (CTS/AVG) matrix. The study comprehensively characterised the coating in terms of its physicochemical properties, antioxidant capacity, and antimicrobial efficacy. The investigation involved an analysis of particle size and distribution in the coating solutions, highlighting changes induced by the incorporation of orange peel essential oil (1 %, 2 % and 3 % v/w) into the chitosan/aloe vera (4:1 v/v) matrix, including particle size reduction and enhanced Brownian motion. The study quantifies a 33.21 % decrease in water vapour transmission rate and a reduction in diffusion coefficient from 9.26 × 10–11 m2 /s to 6.20 × 10–11 m2 /s following the addition of OPEO to CTS/AVG. Assessment of antioxidant potential employing DPPH radical scavenging assays, revealed that CTS/AVG/3 %OPEO exhibited notably superior radical scavenging activity compared to CTS/AVG, CTS/AVG/1 %OPEO, and CTS/AVG/2 %OPEO, demonstrated by its IC50 value of 17.01 ± 0.45 mg/mL. The study employs the well diffusion method, demonstrating a higher susceptibility of gram-negative bacteria to the coating solutions than gram-positive counterparts. Remarkably, CTS/ AVG/3 %OPEO displayed the most pronounced inhibition against Escherichia coli, generating an inhibitory zone diameter of 14 ± 0.8 mm. The results collectively emphasised the potential of CTS/AVG/3 %OPEO as a viable natural alternative to synthetic preservatives within the fruit industry, attributed to its exceptional antioxidant and antimicrobial properties. Elsevier B.V. 2024 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/38871/1/ABSTRACT.pdf text en https://eprints.ums.edu.my/id/eprint/38871/2/FULL%20TEXT.pdf Ling, Felicia Wen Xia and Rovina Kobun and Nasir Md Nur Aqilah and Sylvester Mantihal and Nurul Huda (2024) Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation. Current Research in Food Science, 8. pp. 1-13. ISSN 2665-9271 https://doi.org/10.1016/j.crfs.2024.100680 |
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RM300-666 Drugs and their actions TP1-1185 Chemical technology TX341-641 Nutrition. Foods and food supply Ling, Felicia Wen Xia Rovina Kobun Nasir Md Nur Aqilah Sylvester Mantihal Nurul Huda Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
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Continuous fruit waste poses significant environmental and economic challenges, necessitating innovative fruit coating technologies. This research focuses on harnessing discarded orange peels to extract essential oil (OPEO), which is then integrated into a chitosan/aloe vera (CTS/AVG) matrix. The study comprehensively characterised the coating in terms of its physicochemical properties, antioxidant capacity, and antimicrobial efficacy. The investigation involved an analysis of particle size and distribution in the coating solutions, highlighting changes induced by the incorporation of orange peel essential oil (1 %, 2 % and 3 % v/w) into the chitosan/aloe vera (4:1 v/v) matrix, including particle size reduction and enhanced Brownian motion. The study quantifies a 33.21 % decrease in water vapour transmission rate and a reduction in diffusion coefficient from 9.26 × 10–11 m2 /s to 6.20 × 10–11 m2 /s following the addition of OPEO to CTS/AVG. Assessment of antioxidant potential employing DPPH radical scavenging assays, revealed that CTS/AVG/3 %OPEO exhibited notably superior radical scavenging activity compared to CTS/AVG, CTS/AVG/1 %OPEO, and CTS/AVG/2 %OPEO, demonstrated by its IC50 value of 17.01 ± 0.45 mg/mL. The study employs the well diffusion method, demonstrating a higher susceptibility of gram-negative bacteria to the coating solutions than gram-positive counterparts. Remarkably, CTS/ AVG/3 %OPEO displayed the most pronounced inhibition against Escherichia coli, generating an inhibitory zone diameter of 14 ± 0.8 mm. The results collectively emphasised the potential of CTS/AVG/3 %OPEO as a viable natural alternative to synthetic preservatives within the fruit industry, attributed to its exceptional antioxidant and antimicrobial properties. |
format |
Article |
author |
Ling, Felicia Wen Xia Rovina Kobun Nasir Md Nur Aqilah Sylvester Mantihal Nurul Huda |
author_facet |
Ling, Felicia Wen Xia Rovina Kobun Nasir Md Nur Aqilah Sylvester Mantihal Nurul Huda |
author_sort |
Ling, Felicia Wen Xia |
title |
Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
title_short |
Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
title_full |
Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
title_fullStr |
Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
title_full_unstemmed |
Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
title_sort |
chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation |
publisher |
Elsevier B.V. |
publishDate |
2024 |
url |
https://eprints.ums.edu.my/id/eprint/38871/1/ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/38871/2/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/38871/ https://doi.org/10.1016/j.crfs.2024.100680 |
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