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Antimicrobial Activity and Constituents of Essential Oils from the Leaves of Syzygium szemaoense Merrill & L.M. Perry and Syzygium corticosum (Lour.) Merr. & L.M. Perry grown in Vietnam
Authors: Lê Thi Hưong, Hoàng Vĩnh Phú, Lê Đức Giang, Đào Thi Minh Châu & Isiaka Ajani Ogunwande
216    2
Journal of Essential Oil Bearing Plants
: 25 (6)     : 1289 - 1300
: https://doi.org/10.1080/0972060X.2022.2159542
: 1452_39.pdf
Publishing year: 12/2022
In this study, the leaves of Syzygium szemaoense Merrill & L.M. Perry and Syzygium corticosum (Lour.) Merr. & L.M. Perry was screened for their essential oils constituents and antimicrobial activities. The main constituent of S. szemaoense was cis-β-elemene (68.0%), while β-caryophyllene (54.0%) was the most abundant constituent of the essential oil of S. corticosum. Both essential oils displayed moderate antimicrobial activity against Enterococcus faecalis ATCC 29212 and Staphylococcus aureus ATCC 25923 with minimum inhibitory concentration (MIC) value of 128.0 µg/mL, as well as anti-candidal action towards Candida albicans ATCC 10231 with MIC value of 64.0 µg/mL. The essential oil of S. corticosum showed antimicrobial activity owards Bacillus cereus ATCC 14579 with MIC value of 128.0 µg/mL. The chemical compositions and antimicrobial activities of both S. szemaoense and S. corticosum are being reported for the first time. The essential oils of S. szemaoense and S. corticosum may be considered for further investigation for antimicrobial uses.
Antimicrobial activity, cis-β-elemene, β-caryophyllene, essential oil composition, Syzygium.
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