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This research aims to evaluate the phytochemical composition and antibacterial properties of Juniperus chinensis and Juniperus conferta.

Phytochemical and Antibacterial Study of Juniperus chinensis andJuniperus conferta Growing in Lebanon

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Randomized trial examines antibacterial activity and phytochemical composition in Juniperus species, indicating natural medicinal potential.

This research aims to evaluate the phytochemical composition and antibacterial properties of Juniperus chinensis and Juniperus conferta.
Aerial parts of Juniperus chinensis and Juniperus conferta were subjected to hydro-distillation and solvent extraction.
Chemical composition was analyzed using gas chromatography-mass spectrometry (GC–MS).
Antibacterial activity was tested against various Gram-positive and Gram-negative bacteria using the broth microdilution method.
J. chinensis displayed significant antibacterial activity against S. aureus (MIC = 7.8 μg/mL) and E. coli (MIC = 62.5 μg/mL).
The total phenolic content was higher in J. chinensis (324.4 mg GAE/g) than in J. conferta (232.9 mg GAE/g).
Ethanolic extracts of both species showed antibacterial activity with MICs ranging from 15.6 to 31.25 μg/mL.

MAJID et al. (2026) studied this question.

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Randomized trial examines antibacterial activity and phytochemical composition in Juniperus species, indicating natural medicinal potential.