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The antifungal activity of essential oil extracted from Melaleuca alternifolia against pathogenic fungi on mango (Mangifera Indica L.) for mango postharvest application

Nagoor Gunny, Ahmad Anas and Anak Seminai, Jenny Janam and Che Mat, Mohd Hishamuddin and Ahmad, Abdul Aziz and Yusof, Rizana and Abdullah, Fadhilnor (2022) The antifungal activity of essential oil extracted from Melaleuca alternifolia against pathogenic fungi on mango (Mangifera Indica L.) for mango postharvest application. Materials Science Forum, 1069. pp. 271-280. ISSN 0255-5476 E-ISSN 1662-9752

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Abstract

An infection by pathogenic fungi is one of the major problems in post-harvest stage of mangoes. Therefore, the extraction of essential oil from Melaleuca alternifolia is being tested as a natural fungicide for controlling fungus infections of selected mangoes locally known as susu mango. The extraction was performed using Solvent-Free Microwave Assisted Extraction with a yield of 0.57% concentration. The inhibitory effect of this essential oil against isolated fungi from mango was investigated through in-vitro and in-vivo analyses. Distilled water was used as a negative control while chemical fungicide (Globus 5.5) was used as a positive control in the analyses. The mycelial growth inhibition of the extracted essential oil for poisoned food test and disc diffusion method showed 62.50 +- 0.49% and 59.70 +- 0.30%, respectively, for in-vivo experiment which used unwounded and artificially wounded mangoes. The result also demonstrated that the essential oil applied on the mangoes could decrease the disease incidence from 100% to 61.33% for up to 10 days incubation at room temperature compared to that of the control. Hence, the essential oil of Melaleuca alternifolia can act as a green fungicide and is also a promising alternative to the synthetic chemical fungicide for controlling post-harvest disease on mangoes.

Item Type: Article (Journal)
Uncontrolled Keywords: antifungal activity, Melaleuca alternifolia, essential oil, postharvest
Subjects: Q Science > Q Science (General)
Q Science > QK Botany
Q Science > QR Microbiology
T Technology > TP Chemical technology > TP368 Food processing and manufacture
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Science
Depositing User: Asst. Prof Abdul Aziz Ahmad
Date Deposited: 05 Oct 2022 14:41
Last Modified: 05 Oct 2022 14:43
URI: http://irep.iium.edu.my/id/eprint/100415

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