Journal
JOURNAL OF ESSENTIAL OIL BEARING PLANTS
Volume 24, Issue 3, Pages 461-468Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0972060X.2021.1936206
Keywords
Tinomiscium petiolare; Menispermaceae; essential oil; terpenes; antimicrobial activity
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Funding
- Hong Duc University, Vietnam
- Far Eastern Federal University, Russia
- Ministry of Science and Higher Education of the Russian Federation
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Essential oils were extracted from the leaves and stems of Tinomiscium petiolare and their chemical components were analyzed. The oils displayed moderate antimicrobial activity against Staphylococcus aureus and inhibited the growth of Pseudomonas aeruginosa. This study reports the chemical components and antimicrobial activity of the leaf and stem oils of T. petiolare for the first time.
Essential oils from the leaves and stems of Tinomiscium petiolare Hook.f. & Thomson were obtained by hydrodistillation and the chemical components were determined by gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC/MS). Also, the microdilution broth assay was used to test the antimicrobial activity of essential oils. The respective yields of the T. petiolare leaf and stem essential oils were 0.06 % and 0.04 % (v/w), calculated on a dry weight basis. The major components (percentages, respectively) identified from the leaf and stem essential oils of T. petiolare were relatively similar, comprising of beta-bisabolene (11.43 % and 13.80 %), trans-alpha-bergamotene (6.52 % and 6.61 %), geranyl acetate (6.12 % and 5.77 %), (E)-caryophyllene (5.04 % and 4.73 %), delta-cadinene (4.10 % and 5.27 %), (E,E)-alpha-farnesene (4.54 % and 4.65 %) and alpha-zingiberene (3.85 % and 4.50 %). The antimicrobial activity test indicated that T. petiolare stem essential oil displayed moderate activity against Staphylococcus aureus ATCC 6538 with Minimum inhibitory concentration (MIC) value of 200 mu g/mL, while both essential oils inhibited the growth of Pseudomonas aeruginosa ATCC 9027 with MIC value of 200 mu g/mL. The chemical components and antimicrobial activity of the T. petiolare leaf and stem oils are reported for the first time.
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