Rammiya, Rajasegaran (2022) Screening of Medicinal Plants against Aspergillus flavus. [Final Year Project Report] (Unpublished)
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Abstract
Aspergillus flavus (A. flavus) is a pathogenic fungus that proliferates majorly in agricultural crops like corns, nuts, and cotton seeds. Aflatoxin B1 released by A. flavus causes economical loss to developing countries as well as creating dreadful health issues to animals and human beings. Researchers have found chemical preservatives and fungicides to hinder the growth of A. flavus, but the usage is not only toxic to fungus, but is also hazardous towards humans, animals and the environment. Therefore, the aim of this study is to screen the selected medicinal plants against the fungus in order to identify a suitable disinfectant that can produce stronger antifungal properties in small quantity and also safe. Disc diffusion method was used to determine the effectiveness of the medicinal plant extracts which were rhizomes of turmeric (C. longa) and buds of clove (S. aromaticum) against A. flavus and to evaluate the minimum inhibitory concentration of the medicinal plants against the fungus. The highest concentration (100 mg/mL) had the highest inhibition of fungal growth while lowest concentration (25 mg/mL) had the lowest of inhibition percentage. Eventhough the highest inhibition zone formed by medicinal plant extracts against fungal growth is the concentration of 100 mg/mL, the minimum inhibitory concentration is 25 mg/mL because there is presence of inhibition zone formed by both medicinal plants against the fungus. The colour changes in phytochemical tests were used to indicate the presence of specific phytochemicals such as flavonoid and saponin compounds in both medicinal plant extracts.
Item Type: | Final Year Project Report |
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Additional Information: | Project Report (B.Sc.) -- Universiti Malaysia Sarawak, 2022. |
Uncontrolled Keywords: | Aspergillus flavus, Curcuma longa, Syzygium aromaticum, disc diffusion method, phytochemicals |
Subjects: | T Technology > TP Chemical technology |
Divisions: | Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology Faculties, Institutes, Centres > Faculty of Resource Science and Technology |
Depositing User: | Dan |
Date Deposited: | 21 Sep 2022 08:56 |
Last Modified: | 04 Mar 2024 09:02 |
URI: | http://ir.unimas.my/id/eprint/39895 |
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