The novel antifungi of rose myrtle fruit microware extract (rhodomyrtus tomentosa) in vitro and silico docking study in central viet nam | [Pakistan Journal of Botany • 2025]

Author(s):

1. NGUYEN VAN HUE: University of Agriculture and Forestry, Hue University,52000,Vietnam

2. TRAN NGUYEN MINH AN: Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Vietnam,12 Nguyen Van Bao Street, Go Vap District, Ho Chi Minh City Vietnam, 727010,

3. LE VAN TAN: Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Vietnam,12 Nguyen Van Bao Street, Go Vap District, Ho Chi Minh City Vietnam,

Abstract:

Myrtle fruit (Rhodomyrtus tomentosa) contains a large amount of phenolic compounds, which have been shown to have high biological activity with antioxidant, anti-cancer, and anti-obesity properties. The myrtle extract was evaluated for its antioxidant and antibacterial properties. The antioxidant activities of myrtle fruit extract were analyzed DPPH radical inhibition assay. The myrtle extract had an IC50 of 233.98 g.mL-1 and the antioxidant activity that was weaker than that of vitamin C. The gas chromatography-mass spectrometry (GC-MS) method with an HP5-MS column was used to analyze some biologically active compounds in myrtle extract. The myrtle extract contained 19 compounds, of which only two compounds were identified. It was noticeable that 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one was present in myrtlee extract, a flavonoid compound that played an important role in cancer prevention, cardiovascular disease prevention, and liver function protection. The novel anti fungi activity of rose myrtle fruit extract agianst Alternaria alternata apple pathotype at concentrations of MIC of 25 mg.mL-1 showed excellent activites. In silico docking model, pose 698, one the best docking pose among 1000 docking conformations of compound 12 docked well to 4AUD:PDB protein, and compound 12 or pose 505 inhibited well to 2VF5: PDB enzyme to explain the general mechanism about synthesis inhibition of bacteria or fungi cell wall in silico docking model of the best conformation of compound 12 to 2VF5 enzyme that proved why compound 12 showed good activity In vitro. Fruit extraction of rose myrtle was extracted using microwave equipment. The components of rose myrtle fruit extraction depend on the solvent polarity, ratio of solid and solvent, microware power, and time in microware treatment.

Page(s): 1941-1952

DOI: 10.30848/PJB2025-5(9)

Published: Journal: Pakistan Journal of Botany, Volume: 57, Issue: 5, Year: 2025

Keywords:

antioxidant , Antifungal , Antioxidant , Rose myrtle , Microware extract , In silico docking , Rhodomyrtus tomentosa

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