Antibacterial effects of extracts of pinus sylvestris and picea abies against staphylococcus aureus, enterococcus faecalis, escherichia coli, and streptococcus pneumoniae

Tiina Vainio-Kaila*, Aino Kyyhkynen, Lauri Rautkari, Anja Siitonen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

Pine heartwood, sapwood, and spruce extracts were tested against methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus faecalis (VRE), Escherichia coli O157:H7, and Streptococcus pneumoniae. The bacterial strains were cultured in a broth with and without the wood extracts. Also, the antibacterial effect of the extracts was studied by performing the antimicrobial sensitivity test method on agar plates. Both pine extracts had a clear antibacterial effect on MRSA, VRE, and S. pneumoniae. Only pine sapwood extract had an effect on E. coli and it was weaker than on other strains. Spruce showed a clear antibacterial effect on S. pneumoniae and a weaker effect on MRSA and VRE. The results suggest that these wood species have potential as surface materials in hospital and day care environments.

Original languageEnglish
Pages (from-to)7763-7771
Number of pages9
JournalBioResources
Volume10
Issue number4
DOIs
Publication statusPublished - 2 Oct 2015
MoE publication typeA1 Journal article-refereed

Keywords

  • Escherichia coli
  • MRSA
  • Streptococcus pneumoniae
  • VRE
  • Wood extracts

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