Abstract
The Rhus verniciflua Stokes (RVS) extract is used as a traditional herbal medicine in Southeast Asian countries such as Korea and China. In the present study, one phenolic acid and six flavonoids were isolated from an 80% ethanol RVS extract to examine their antimicrobial activities. These compounds were identified as 3′,4′,7-trihydroxyflavone (1), methyl gallate (2), gallic acid (3), fusti (4), fisetin (5), butin (6), and sulfuretin (7) by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and nuclear magnetic resonance spectroscopy. The antimicrobial activities of compounds 5 and 6 (at a dose of 16 μg/mL each) were superior to that of the control, cycloheximide (at a dose of 25 μg/mL), against Hypocrea nigricans; additionally, the activities of compounds 1 and 2 (at a dose of 8 μg/mL each) were superior to the control against Penicillium oxalicum. Also, chemical compounds 1 and 5 (at a dose of 16 μg/mL each) had higher activities than the control (25 μg/mL) against Trichoderma virens. Chemical compound 1 (at a dose of 8 μg/mL) had a similar activity to that of the control against Bacillus subtilis. The obtained results suggest that the RVS extract could be a promising food and nutraceutical source because of the antimicrobial properties of its phenolic compounds.
Acknowledgments
This study was carried out with the support of the R&D Program for Forest Science Technology (Project No. 2017038B10-1719-BA01) provided by the Korea Forest Service (Korea Forestry Promotion Institute), the Doctor’s Scientific Research Foundation of Hezhou University (HZUBS201612), the Guangxi Talent Highland of Preservation and Deep Processing Research in Fruit and Vegetables, Special Fund for Distinguished Experts in Guangxi.
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Articles in the same Issue
- Frontmatter
- Research Articles
- Muscle relaxant activities of pistagremic acid isolated from Pistacia integerrima
- Facile one-pot syntheses of new C-28 esters of oleanolic acid and studies on their antiproliferative effect on T cells
- Biodiversity and full genome sequence of potato viruses Alfalfa mosaic virus and potato leaf roll virus in Egypt
- Carotenoids, tocopherols, organic acids, charbohydrate and mineral content in different medicinal plant extracts
- Two new usnic acid derivatives from the endophytic fungus Mycosphaerella sp.
- Antimicrobial activity and active compounds of a Rhus verniciflua Stokes extract
- Benzimidazole – Schiff bases and their complexes: synthesis, anticancer activity and molecular modeling as Aurora kinase inhibitor
Articles in the same Issue
- Frontmatter
- Research Articles
- Muscle relaxant activities of pistagremic acid isolated from Pistacia integerrima
- Facile one-pot syntheses of new C-28 esters of oleanolic acid and studies on their antiproliferative effect on T cells
- Biodiversity and full genome sequence of potato viruses Alfalfa mosaic virus and potato leaf roll virus in Egypt
- Carotenoids, tocopherols, organic acids, charbohydrate and mineral content in different medicinal plant extracts
- Two new usnic acid derivatives from the endophytic fungus Mycosphaerella sp.
- Antimicrobial activity and active compounds of a Rhus verniciflua Stokes extract
- Benzimidazole – Schiff bases and their complexes: synthesis, anticancer activity and molecular modeling as Aurora kinase inhibitor