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Analysis of the essential oil from the aerial parts of Psoralea pubescence (Miq.) Standl and its antibacterial activity

  • Hesham El-Seedi
  • , Mervat Zayed
  • , Shimaa Roshdy
  • , Mohamed Salem
  • , Mohamed Hawata
  • , Farag El-Essawy
  • , Mai El-Barbary
  • , Salah El-Kousy

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The essential oil from aerial parts of Psoralea pubescence (Miq.) Standl (Leguminoseae) was analyzed by gas chromatography (GC) and GC/mass spectroscopy systems. The major components identified were psoralen (24.8%), bakuchiol (21.3%), β-caryophyllene (8.5%), germacrene D (6.8%), and α-humulene (4.6%). The major volatiles released by β-glucosidase treatment of the aqueous plant residue were δ-pinene (28.3%), germacrene D (13.6%), and tricyclene (10.2%). The oil showed significant antibacterial activity against Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia, and Pseudomonas aeruginosa, while the β-glucosidase-liberated fraction was inactive.

Original languageEnglish
Pages (from-to)1036-1042
Number of pages7
JournalMedicinal Chemistry Research
Volume19
Issue number9
DOIs
StatePublished - Dec 2010
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Antimicrobial activity
  • Carvacrol
  • Essential oil composition
  • Gas chromatography-mass spectroscopy
  • Leguminosae
  • Psoralea pubescence
  • Pulegone
  • Thymol
  • Volatiles

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