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Essential oil nanoemulsions: antibacterial activity in contaminated fruit juices
Jonathan Sampath Franklyne, Swati Iyer, Andrew Ebenazer, ,
Published in Wiley
2019
Volume: 54
   
Issue: 9
Pages: 2802 - 2810
Abstract
Many human acid tolerant bacterial and fungal pathogens can be transmitted through the consumption of the contaminated fruit juices. We aim to formulate essential oil nanoemulsions (basil, black seed, turmeric, clove & cinnamon), determine their ability to clear contamination by food borne bacterial pathogens from fruit juices. The antibacterial activity of the optimised formulations was tested in the fruit juices against bacterial pathogens causing gastrointestinal tract infections. The minimum bactericidal concentration (MBC) of clove emulsions ranged from 15.6 to 25 μL mL⁻¹. Cinnamon oil emulsion had an MBC ranging between 15 and 31 μL mL⁻¹. At MBC, cinnamon oil emulsions caused a 6log₁₀ decrease in viable counts by 8 h and maintained the sterility of fruit juices for 7 days at ambient temperature. Thus, clove and cinnamon microemulsions can be used as juice additives to control food borne bacterial pathogens and maintain the bacterial sterility of fruit juices.
About the journal
JournalData powered by TypesetInternational Journal of Food Science & Technology
PublisherData powered by TypesetWiley
ISSN0950-5423
Open Access0