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Terpenoids as natural agents against food-borne bacteria - evaluation of biofilm biomass versus viability reduction
ID
Fink, Rok
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(1,36 MB)
MD5: FE731458EFC541FAFE8F32641011C921
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2227-9717/11/1/148
Galerija slik
Izvleček
This study aimed to analyse the antibacterial potential of limonene, terpineol, and eugenol for the biofilm reduction of food-borne E. coli, S. aureus and S. typhimurium. A microdilution test with resazurin application was used for the minimum inhibitory concentration and a colony plate count was used for the minimum bactericidal concentration. Biofilm biomass was quantified using the crystal violet assay, while biofilm viability was determined using the plate count method. The results show the highest antibacterial potential among terpenoids for eugenol, followed by terpineol and limonene. Both biomass reduction and viability are strongly dependent on the concentration of all terpenoids tested (p < 0.05). Moreover, eugenol reduced biofilm biomass most effectively (67% for E. coli), while viability was reduced most by terpineol (3.8 log CFU cm−2 for E. coli and S. aureus). The correlation coefficient for the reduction in biomass and viability was highest for eugenol (0.9) and chlorhexidine for all bacteria tested, while the lowest correlation was found for limonene (0.6). Results also demonstrate that tested terpenoids are effective as standard antimicrobial agent chlorhexidine. This suggests that eugenol has potential against food-borne biofilms as it simultaneously reduces both biomass and viability of biofilms
Jezik:
Angleški jezik
Ključne besede:
terpenoids
,
food-borne bacteria
,
biofilm
,
minimum inhibitory concentration
,
viability
,
biomass
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
ZF - Zdravstvena fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Datum objave:
03.01.2023
Leto izida:
2023
Št. strani:
12 str.
Številčenje:
Vol. 11, iss. 1, art. 148
PID:
20.500.12556/RUL-143705
UDK:
614.31
ISSN pri članku:
2227-9717
DOI:
10.3390/pr11010148
COBISS.SI-ID:
136896515
Datum objave v RUL:
10.01.2023
Število ogledov:
641
Število prenosov:
74
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Gradivo je del revije
Naslov:
Processes
Skrajšan naslov:
Processes
Založnik:
MDPI AG
ISSN:
2227-9717
COBISS.SI-ID:
523353113
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:
03.01.2023
Sekundarni jezik
Jezik:
Ni določen
Ključne besede:
terpenoidi
,
bakterije
,
ki se prenašajo s hrano
,
biofilm
,
najmanjša inhibitorna koncentracija
,
sposobnost preživetja
,
biomasa
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