Research Article

The Influence of Carrier Oils on the Antimicrobial Activity and Cytotoxicity of Essential Oils

Table 2

Antimicrobial activity, cytotoxicity and fatty acid composition of carrier oils.

Carrier oilFatty acid compositionAntimicrobial activity (mg/mL)Cytotoxicity
( mortality)
P. acnesATCC 11827S. epi
ATCC 2223
S. aureusATCC 25924MRSA ATCC 43300GMRSA ATCC 33592E. coli
ATCC 8739
P. aerug
ATCC 27858
B. agri
ATCC 51663
B. epi
DSM 20660
B. lin
DSM 20425
C. alb
ATCC 10231
24 hrs48 hrs

Aloe vera (aloe vera)linoleic acid methyl ester (59.8%)16.0016.0010.008.004.008.001.002.001.008.008.000.0027.08
oleic acid, methyl ester (23.0%)
palmitic acid methyl ester (8.9%)
stearic acid methyl ester (4.2%)
linolenic acid methyl ester (3.7%)
Vitamin E - 14 IU 46%
Calendula officinalis (calendula)linoleic acid methyl ester (66.8%)3.0016.004.005.607.004.001.502.002.008.0016.000.0028.35
oleic acid, methyl ester (24.6%)
palmitic acid methyl ester (14.9%)
linolenic acid methyl ester (1.0%)
Hypericum perforatum (St John's wort)linoleic acid methyl ester (69.9%)2.5016.004.004.004.004.001.502.001.002.004.000.6339.33
oleic acid, methyl ester (19.0%)
stearic acid methyl ester (5.0%)
palmitic acid methyl ester (5.8%)
linolenic acid methyl ester (0.1%)
Persea americana (avacado)oleic acid, methyl ester (69.5%)8.0016.004.005.204.004.001.752.004.008.0016.000.0025.75
palmitic acid methyl ester (14.9%)
linoleic acid methyl ester (9.2%)
palmitoleic acid methyl ester (5.5%)
linolenic acid methyl ester (0.6%)
Prunus armeniaca (apricot kernel)oleic acid, methyl ester (60.7%)8.006.002.004.00
2.004.001.002.001.006.008.004.3510.38
linoleic acid methyl ester (27.0%)
palmitic acid methyl ester (5.7%)
palmitoleic acid methyl ester (4.7%)
stearic acid methyl ester (0.9%)
Vitamin E 13.2 mg/100g
Simmondsia chinensis (jojoba)11-eicosenoic acid, methyl ester (55.6%)1.5016.004.004.004.004.001.002.001.002.006.003.0424.12
palmitic acid methyl ester (15.9%)

Antimicrobial controlsciprofloxacin µg/mL0.78 x 10.25 x 10.5 x 10.78 x 10.31 x 10.08 x 10.31 x 10.16 x 10.26 x 10.63 x 1n.a
amphotericin µg/mLn.an.an.an.an.an.an.an.an.an.a6.25 x 1
DMSOmg/mL5.2619.34
Sea watermg/mL10.7532.72
Potassium dichromatemg/mL99.44100.00

n.a., not applicable. S. epi: S. epidermidis; P. aerug: P. aeruginosa; B. epi: B. epidermidis; B. lin: B. linens; C. alb: C. albicans.