4.3 Article

Essential Oils of Two Vietnamese Plants Piper betle f. densum (Piperaceae) and Disepalum plagioneurum (Annonaceae): Chemical Composition, Antimicrobial, and Cytotoxic Activities

Journal

NATURAL PRODUCT COMMUNICATIONS
Volume 18, Issue 7, Pages -

Publisher

SAGE PUBLICATIONS INC
DOI: 10.1177/1934578X231190689

Keywords

piperaceae; annonaceae; Piper betle f; densum; Disepalum plagioneurum; essential oil; antimicrobial activity; cytotoxicity

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The chemical compositions of the leaf essential oils of two Vietnamese plants, Piper betle f. densum and Disepalum plagioneurum, were determined. γ-elemene, valeranone, and ishwarone were the principal compounds in P densum leaf essential oil, while bicyclogermacrene, (E)-caryophyllene, (E)-β-ocimene, and (Z)-β-ocimene were the major compounds in D plagioneurum leaf essential oil. Both P betle f. densum and D plagioneurum leaf essential oils exhibited strong inhibitory effects on the growth of Clostridium sporogenes NCTC 12935 and Aspergillus niger ATCC 1015, respectively. D plagioneurum leaf essential oil also showed cytotoxicity against MCF7 and HeLa cancer cell lines, with IC50 values of 63.2 and 41.4 μg/mL, respectively.
The chemical compositions were determined by the leaf essential oils of 2 Vietnamese plants, Piper betle f. densum and Disepalum plagioneurum. The main chemical classes in the P densum leaf essential oil were sesquiterpene hydrocarbons (30.1%) and oxygenated sesquiterpenes (60.1%), with & gamma;-elemene (12.7%), valeranone (9.3%), and ishwarone (6.0%) being the principal compounds. Disepalum plagioneurum leaf essential oil was dominated by monoterpene hydrocarbons (23.9%) and sesquiterpene hydrocarbons (59.8%). Bicyclogermacrene (26.8%), (E)-caryophyllene (12.7%), (E)-& beta;-ocimene (8.4%), and (Z)-& beta;-ocimene (6.0%) were the major compounds of this essential oil. With the same MIC of 64 & mu;g/mL, the leaf essential oils of P betle f. densum and D plagioneurum strongly controlled the growth of the Gram (+) bacterium Clostridium sporogenes NCTC 12935 and the fungus Aspergillus niger ATCC 1015, respectively. It was also found that D plagioneurum leaf essential oil was cytotoxic to cancer cell lines MCF7 and HeLa with IC50 values of 63.2 and 41.4 & mu;g/mL, respectively.

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