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231225s2023 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2021.1994653
|2 doi
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|a pubmed24n1108.xml
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|a (DE-627)NLM332429350
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|a (NLM)34704544
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Oliveira, Alessandra Marjorie de
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Moringa oleifera seed oil extracted by pressurized n-propane and its effect against Staphylococcus aureus biofilms
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 21.03.2023
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|a Date Revised 21.03.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Staphylococcus aureus is often associated worldwide with foodborne illnesses, and the elimination of biofilms formed by this bacterium from industrial surfaces is very challenging. To date, there have been few attempts to investigate plant oils obtained by recent green technologies, applied against biofilms on usual surfaces of the food industry and bacteria isolated from such environment. Therefore, this study evaluated the activity of Moringa oleifera seed oil (MOSO), extracted with pressurized n-propane, against standard and environmental S. aureus biofilms. Additionally, a genotypic and phenotypic study of the environmental S. aureus was proposed. It was found that this bacterium was a MSSA (methicillin-sensitive S. aureus), a carrier of icaA and icaD genes that has strong adhesion (OD550=1.86 ± 0.19) during biofilm formation. The use of pressurized n-propane as a solvent was efficient in obtaining MOSO, achieving a yield of 60.9%. Gas chromatography analyses revealed the presence of a rich source of fatty acids in MOSO, mainly oleic acid (62.47%), behenic acid (10.5%) and palmitic acid (7.32%). On polystyrene surface, MOSO at 0.5% and 1% showed inhibitory and bactericidal activity, respectively, against S. aureus biofilms. MOSO at 1% allowed a maximum reduction of 2.38 log UFC/cm² of S. aureus biofilms formed on PVC (polyvinyl chloride) surface. Scanning electron microscopy showed disturbances on the surface of S. aureus after exposure to MOSO. These unprecedented findings suggest that MOSO extracted with pressurized n-propane is potentially capable of inhibiting biofilms of different S. aureus strains, thus, contributing to microbiological safety during food processing
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|a Journal Article
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|a Plant oil
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|a antibiofilm
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|a biotechnology
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| 650 |
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|a food industry
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|a green technology
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| 650 |
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|a Propane
|2 NLM
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| 650 |
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|a T75W9911L6
|2 NLM
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| 650 |
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|a Plant Oils
|2 NLM
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| 650 |
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|a Anti-Bacterial Agents
|2 NLM
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| 700 |
1 |
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|a Anjos Szczerepa, Márcia Maria Dos
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bronharo Tognim, Maria Cristina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abreu Filho, Benício Alves de
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cardozo-Filho, Lúcio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gomes, Raquel Guttierres
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bergamasco, Rosângela
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 44(2023), 8 vom: 02. März, Seite 1083-1098
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:44
|g year:2023
|g number:8
|g day:02
|g month:03
|g pages:1083-1098
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| 856 |
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|u http://dx.doi.org/10.1080/09593330.2021.1994653
|3 Volltext
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