Antibacterial and Antioxidant Activities of Essential Oils from Artemisia herba-alba Asso., Pelargonium capitatum × radens and Laurus nobilis L

Essential oils are natural antimicrobials that have the potential to provide a safer alternative to synthetic antimicrobials currently used in the food industry. Therefore, the aim of this study was to evaluate the antimicrobial and antioxidant activities of essential oils from white wormwood, rose-...

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Bibliographic Details
Published in:Foods 2016-04, Vol.5 (2), p.28-28
Main Authors: Rafiq, Ragina, Hayek, Saeed A, Anyanwu, Ugochukwu, Hardy, Bonita I, Giddings, Valerie L, Ibrahim, Salam A, Tahergorabi, Reza, Kang, Hye Won
Format: Article
Language:English
Subjects:
anti-infective agents
antibacterial activities
Antimicrobial agents
antimicrobial properties
antioxidant activity
antioxidant properties
Antioxidants
Artemisia
Artemisia herba-alba
bay laurel
cantaloupes
consumer acceptance
Cucumis melo
E coli
Escherichia coli
Escherichia coli O157
Essential oils
food industry
fresh produce
Geranium
Laurus nobilis
Lycopersicon esculentum
minimum inhibitory concentration
oils
Pelargonium capitatum
rose geranium
Salmonella Typhimurium
sensory evaluation
spinach
Spinacia oleracea
Tomatoes
white wormwood
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Summary:Essential oils are natural antimicrobials that have the potential to provide a safer alternative to synthetic antimicrobials currently used in the food industry. Therefore, the aim of this study was to evaluate the antimicrobial and antioxidant activities of essential oils from white wormwood, rose-scented geranium and bay laurel against and O157:H7 on fresh produce and to examine consumer acceptability of fresh produce treated with these essential oils. Our results showed that essential oil derived from rose-scented geranium exhibited the most effective antimicrobial activity at the same and similar minimum inhibition concentration levels (0.4%, / and 0.4% and 0.5%, / ) respectively against and O157:H7. All three essential oils showed antioxidant properties, with the highest activity occurring in bay laurel essential oil. In a sensory test, tomatoes, cantaloupe and spinach sprayed with 0.4% rose-scented geranium essential oil received higher scores by panelists. In conclusion, rose-scented geranium essential oil could be developed into a natural antimicrobial to prevent contamination of and O157:H7 in fresh produce, plus this oil would provide additional health benefits due to the antioxidant properties of its residue.
ISSN:2304-8158
2304-8158
DOI:10.3390/foods5020028