Antibacterial properties and chemical characterization of the essential oils from summer savory extracted by microwave-assisted hydrodistillation

Abstract

Antibacterial properties and chemical characterization of the essential oils from summer savory (Satureja hortensis) extracted by microwave-assisted hydrodistillation (MAHD) were compared with those of the essential oils extracted using the traditional hydrodistillation (HD) method. While MAHD at 660 W required half as much time as HD needed, similar antibacterial efficacies were found from the essential oils obtained by the two extraction methods on two food pathogens (Staphylococcus aureus, a gram positive bacterium, and Escherchia coli, a gram negative bacterium). Also, as it was the case with the essential oils extracted by HD, that of MAHD indicated greater influence on S. aureus than on E. coli. The compositions of the extracted essential oils were also studied using GC-MS analysis. The same components with negligible differences in their quantities were found in the extracted essential oils using the two methods outlined above. Overall, to reduce the extraction time, MAHD can be applied at higher microwave levels without any compromise in the antibacterial properties of the essential oils extracted.

A pharmacological and phytochemical overview onSatureja

“…Masumeh (2006) S. hortensis Abdollahi et al (2010Abdollahi et al ( , 2011Abdollahi et al ( , 2012, Adiguzel et al (2007), Aksu and Ozer (2013), Alizadeh-Salteh et al (2010b), Anghel et al (2013), Askun et al (2008), Azaz et al (2005), Azizi et al (2008), Bouari et al (2011), Boyraz and Ozcan (2006), Deans and Svoboda (1989), Dikbas et al (2008Dikbas et al ( , 2010Dikbas et al ( , 2012, Djenane et al (2011a), Fit et al (2009), Gulluce et al (2003), Gumus (2010), Gursoy et al (2009), Hosseini et al (2013), Karami-Osboo et al (2010), Kiran et al (2010), Kizil and Uyar (2006), Kotan et al (2012Kotan et al ( , 2013, Mahboubi and Kazempour (2009), Mihajilov-Krstev et al (2009a, Nabigol (2011), Nedorostova et al (2011), Oussalah et al (2006b), Ozcan et al (2008), RazzaghiAbyaneh et al (2008), Rezvanpanah et al (2011), Sagdic et al (2010Sagdic et al ( , 2013, Saharkhiz et al (2011), Sahin et al (2003), …”

Influence of Distillation Method on the Content and Composition of Essential Oil Isolated from Summer Savory (Satureja hortensisL.)

“…The retention indices (RI) were calculated for all constituents using a homologous series of nalkanes (C 8 -C 20 …”

Chemical composition and antifungal effects of three species of Satureja (S. hortensis, S. spicigera, and S. khuzistanica) essential oils on the main pathogens of strawberry fruit

“…S. hortensis L. ('summer savory') is a well-known medicinal plant which is widely distributed in different parts of Iran as one of the most important of twelve classified Satureja species. Besides of its usual use in food industry as an aromatic and flavouring agent, it has been received major consideration for having anti-inflamatory (Lawrence, 2000), antioxidant , antibacterial Şahin et al, 2003) and antifungal activities Kotan et al, 2013;Razzaghi-Abyaneh et al, 2008;Rezvanpanah et al, 2011). S. spicigera, and S. khuzistanica are among other species of Satureja found in Iran.…”