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Plants 2018, 7(1), 17; https://doi.org/10.3390/plants7010017

Preliminary Study of the Potential Extracts from Selected Plants to Improve Surface Cleaning

1
Oncological and Radiological Sciences Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia
2
Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia
*
Author to whom correspondence should be addressed.
Received: 5 December 2017 / Revised: 22 February 2018 / Accepted: 23 February 2018 / Published: 6 March 2018
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Abstract

Environment hygiene is important for preventing infection and promoting a healthier environment in which to live or work. The goal of this study was to examine the antimicrobial effects of Citrus aurantifolia (key lime) juice and aqueous extracts of Cinnamomum iners (cinnamon) bark and Citrus hystrix (kaffir lime) leaves on the kinetic growth of Pseudomonas aeruginosa and methicillin resistance Staphylococcus aureus (MRSA). Antimicrobial activity was quantitatively evaluated using spectrophotometry and viable cell counts versus bacterial growth time. The fomite surface samples that were used in the second experiment were chosen randomly from the laboratories. They were assessed both before and after intervention using a mixture of commercial disinfectant detergent and lime juice. In the kinetic growth study, the lime juice effectively eliminated P. aeruginosa and MRSA. The cinnamon bark extract was more effective at inhibiting P. aeruginosa than MRSA. The kaffir lime leaf extract demonstrated bacteriostatic activity for the first 60 min, which then weakened after 90 min for both bacteria. The lime juice extract and commercial disinfectant mixture effectively disinfected the fomites. Further studies of the use of key lime juice as a disinfectant in the hospital environment should be conducted, as C. aurantifolia exhibits antibacterial activities against endemic microbes. View Full-Text
Keywords: antimicrobial; Cinnamomum iners; Citrus hystrix; Citrus aurantifolia; aqueous extract antimicrobial; Cinnamomum iners; Citrus hystrix; Citrus aurantifolia; aqueous extract
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Vong, A.T.; Chong, H.W.; Lim, V. Preliminary Study of the Potential Extracts from Selected Plants to Improve Surface Cleaning. Plants 2018, 7, 17.

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