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Die Bodenkultur: Journal of Land Management, Food and Environment
Volume 72 (2021): Issue 1 (March 2021)
Open Access
Effects of phytogenic substances on growth and biofilm formation of
Escherichia coli
and
Salmonella
field isolates
Sonja Axmann
Sonja Axmann
,
Anika Schorpp
Anika Schorpp
,
Julia Strassgüttl
Julia Strassgüttl
and
Tobias Aumiller
Tobias Aumiller
| Sep 18, 2021
Die Bodenkultur: Journal of Land Management, Food and Environment
Volume 72 (2021): Issue 1 (March 2021)
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Article Category:
Research Article
Published Online:
Sep 18, 2021
Page range:
1 - 8
Received:
Dec 09, 2020
Accepted:
Mar 19, 2021
DOI:
https://doi.org/10.2478/boku-2021-0001
Keywords
Phytogenics
,
antimicrobials
,
biofilm
,
field isolates
,
© 2021 Sonja Axmann et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
CV biofilm and viable counts (CFU ml−1) of E. coli and Salmonella exposed to the phytogenics garlic oil, cinnamaldehyde, carvacrol, thymol, and thyme oil. The different letters above the bars (CV absorption) indicate significant differences (P ≤ 0.05) within a chart. The viable counts of the PCs as well as those at the first sub-MIC and at 5 ppm were quantified and plotted as dots.Figure 1. CV-Biofilm und Zellzahlen (KBE ml−1) von E. coli und Salmonella behandelt mit den phytogenen Substanzen Knoblauchöl, Zimtaldehyd, Carvacrol, Thymol und Thymianöl. Die unterschiedlichen Buchstaben über den Balken (CV-Absorption) zeigen signifikante Unterschiede (P ≤ 0,05) innerhalb eines Diagramms. Die Zellzahlen der Wachstumskontrollen (PC), der ersten sub-MICs und jene bei 5 ppm wurden quantifiziert und als Punkte dargestellt.
Major chemical constituents of the studied phytogenicsTabelle 1. Chemische Hauptbestandteile der untersuchten phytogenen Substanzen
Phytogenic
Composition
a
Garlic oil
Diallyl disulfid (59.1%), diallyl trisulfid (11.7%), and methyl propyl trisulfid (1.1%)
Thymol
Thymol (100%)
Carvacrol
Carvacrol (100%)
Thyme oil
p
-Cymene (26.9%), γ-terpinene (7.7%), linalool (5%), 4-terpineol (0.7%), thymol (41.1%), and carvacrol (3%)
Cinnamaldehyde
trans
-Cinnamaldehyde (99.4%)