CHEMICAL COMPOSITION AND ANTIBACTERIAL ACTIVITIES OF HOMALOMENA VIETNAMENSIS BOGNER & V. D. NGUYEN (ARACEAE)

Authors

  • Thien Hong Van Institute of Biotechnology and Food Technology, Industrial University of Ho Chi Minh City
  • Quang Phuc Nguyen
  • Gia Buu Tran
  • Nguyen Tuong An Huynh

DOI:

https://doi.org/10.15414/jmbfs.2020.10.2.201-204

Keywords:

ethanol extracts, antibacterial activities, LC/MS, Homalomena vietnamensis

Abstract

Homalomena vietnamensis is a rare species of the Homalomena genus and only found in Middle region of Vietnam. In this study, we found 10 compounds in ethanol extracts of leaf and rhizome of H. vietnamensis, such as cadinane-4β,5α,10α-triol, oplopanone, 4-epi-oplopananol, 2α-hydroxy homalomenol A, 1β,4β,7β-Trihydroxyeudesmane, homalomentetraol, 4-acetoxyoplopananol, 5,7-diepi-2a-acetoxyoplopanone, eudesma 4β, 7α- diol-1β-fumarate), and homalomenol F, via liquid chromatography-mass spectrometry (LC/MS). Moreover, the antibacterial activity of ethanol extracts of leaf and rhizome from this species has been evaluated by disc diffusion method for the first time. The results showed that rhizome extract of could inhibit the growth of 5 tested micro-organisms, including of Bacillus cereus (28.3 ± 1.5 mm), Salmonella enteritidis (19.5 ± 1.5 mm), Staphylococcus aureus (16.3 ± 1.5 mm), Escherichia coli (14.7 ± 1.2 mm), and Pseudomonas aeruginosa (8.2 ± 0.8 mm), while the leaf extract showed antibacterial effect against Bacillus cereus (22.0 ± 2.0 mm), S. enteritidis (14.7 ± 0.6 mm), and S. aureus (12.5 ± 1.8 mm).

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Published

2020-10-16