Combined effect of ultrasound and essential oils to reduce Listeria monocytogenes on fresh produce

© The Author(s) 2015.

Bibliographische Detailangaben
Veröffentlicht in:Food science and technology international = Ciencia y tecnologia de los alimentos internacional. - 1998. - 22(2016), 4 vom: 16. Juni, Seite 353-62
1. Verfasser: Özcan, Gülçin (VerfasserIn)
Weitere Verfasser: Demirel Zorba, Nükhet Nilüfer
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Food science and technology international = Ciencia y tecnologia de los alimentos internacional
Schlagworte:Journal Article Fresh produce Listeria monocytogenes cinnamon oil lemon oil ultrasound Anti-Infective Agents Oils, Volatile Plant Oils cinnamon oil, bark I9GRO824LL
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520 |a Salads prepared from contaminated fresh produce have a high risk of causing food-borne illnesses. Essential oils obtained from plants have antimicrobial activity and may provide a natural approach to reduce the pathogens on fresh produce. Additionally, ultrasound treatments have been shown to reduce the microbial counts on different foods. The objective of this study was to investigate the antimicrobial activities of cinnamon and lemon essential oils in vitro and in food applications. Mixtures of lettuce, parsley and dill were inoculated with Listeria monocytogenes and then dip-treated for 5 min in one of the following treatments: sterile tap water, chlorinated water, 1% lemon essential oil, 2% cinnamon essential oil or 2% cinnamon essential oil + ultrasound. The samples were stored at 4 ℃ and collected at d 0, 1, 3, 5, 7 and 9 post inoculation. The 1% lemon (4 log) and 2% cinnamon (2 log) essential oil washes provided partial inhibition against L. monocytogenes by d 1. The combined application of 2% cinnamon oil and ultrasound resulted in only 0.85 log inhibition by d 1; however, the number of L. monocytogenes increased during storage and became nearly equal to the control at d 9. Therefore, different combinations of essential oils with other antimicrobials or novel technologies are required 
650 4 |a Journal Article 
650 4 |a Fresh produce 
650 4 |a Listeria monocytogenes 
650 4 |a cinnamon oil 
650 4 |a lemon oil 
650 4 |a ultrasound 
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650 7 |a Oils, Volatile  |2 NLM 
650 7 |a Plant Oils  |2 NLM 
650 7 |a cinnamon oil, bark  |2 NLM 
650 7 |a lemon oil  |2 NLM 
650 7 |a I9GRO824LL  |2 NLM 
700 1 |a Demirel Zorba, Nükhet Nilüfer  |e verfasserin  |4 aut 
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