Comparison of the Contents and Antimicrobial Activities of Commercial and Natural Cinnamon Oils

Abstract

There has been an increased interest in essential oils in recent years in accordance with new treatments against pathogens. The aim of the present study was to investigate the contents and to compare the antimicrobial activity of different brands of commercial oils with two natural cinnamon oils. Antibacterial and antifungal activities of cinnamon oils were estimated using disc diffusion and macro dilution methods against Enterococcus faecalis ATCC 19433, Enterococcus faecalis ATCC 29212, Escherichia coli ATCC 25922, Escherichia coli ATCC 35218, Staphylococcus aureus ATCC 29213, Staphylococcus aureus ATCC 25923, methicillin resistant Staphylococcus aureus ATCC 43300, Pseudomonas aeruginosa ATCC 9027, Pseudomonas aeruginosa ATCC 27853, Bacillus subtilis ATCC 6633, Klebsiella pneumonia RSKK 574, Candida albicans ATCC 10231, Candida albicans ATCC 033. The essential oil compositions were illuminated by gas chromatography-mass spectroscopy. Trans-cinnamaldehyde was the major compound of the essential oils obtained from the bark (C4 and C5; 92.3 and 90.1% respectively). The results of the commercial oils have revealed that these oils can be accepted as artificial oils. All the oils showed antimicrobial activity in a range of doses thought to be from cinnamaldehyde content.

Antimicrobial activity of Allium cepa and Cinnamomum zeylanicum against common bacteria causing urinary tract infections: in vitro study

“…This variation in the results may be due to different manufacturing processes of the standard. 5,13 In this study it was observed that the mean zone of inhibition of onion extract against Pseudomonas aeruginosa was 5.06 mm±0.24, similarly in a study conducted by N Azu et al, found that the zone of inhibition of onion extract against Pseudomonas aeruginosa was 17mm. 14 In the current study the mean zone of inhibition of quercetin against Pseudomonas aeruginosa was found to be 14.30 mm±1.96 , Jaisinghani et al, conducted similar study and found the antimicrobial effect of quercetin against Pseudomonas aeruginosa through different parameters.…”

Antimicrobial effects of cinnamon essential oil and cinnamaldehyde combined with EDTA against canine otitis externa pathogens

“…; Kaskatepe et al . ). For instance, a previous study demonstrated a significant difference in MIC values against a broad range of micro‐organisms when five cinnamon oils with different brands and different chemical contents were tested (Kaskatepe et al .…”

“…However, the composition of essential oil is documented to vary according to environmental and climatic conditions (Hammer et al 1999). The different chemical constituents in essential oils have been reported to exhibit different antimicrobial activities (Li et al 2013;Kaskatepe et al 2016). For instance, a previous study demonstrated a significant difference in MIC values against a broad range of micro-organisms when five cinnamon oils with different brands and different chemical contents were tested (Kaskatepe et al 2016).…”

“…The different chemical constituents in essential oils have been reported to exhibit different antimicrobial activities (Li et al 2013;Kaskatepe et al 2016). For instance, a previous study demonstrated a significant difference in MIC values against a broad range of micro-organisms when five cinnamon oils with different brands and different chemical contents were tested (Kaskatepe et al 2016). Hence, due to the complexity of the chemical contents within cinnamon essential oil and the stronger antimicrobial activity of cinnamaldehyde, cinnamaldehyde is suggested to be used as a treatment for canine otitis externa.…”

Antibacterial activity of cinnamon (Cinnamomum zeylanicum) essential oil and cinnamaldehyde against fish pathogenic bacteria isolated from cultured olive flounder Paralichthys olivaceus

“…Among polyphenols, CEO contains mainly vanillic, caffeic, p-Coumaric, safrol and ferulic acid (Muchuweti et al, 2007). Cinnamaldehyde is the most reported volatile substance in CEO, with a content ranging from 50 to 90% (Gupta et al, 2008;Wong et al, 2014;Kaskatepe et al, 2016 ). CEO used in the present study comprised 54.35% of cinnamaldehyde together with eugenol (16.59%), beta-Caryophyllene (6.93%) and linalool (6.37%) ( Table 1).…”