engleski

Antimicrobial and antioxidant properties of Satureja montana L. and S. subspicata Vis. (Lamiaceae)

Satureja montana L. and S. subspicata Vis. (Lamiaceae) are used for centuries in traditional medicine of Balcanic people in the treatment of the respiratory system and lymphatic nodule inflammation. In this paper the content of phenolic compounds (analysed by HPLC), quantity of total phenols and total flavonoids (analysed by UV/Vis spectrophotometry), antioxidant and antimicrobial activities were investigated in fourteen populations (seven per species) of S. montana and S. subspicata growing in Croatia. Eight phenolic compounds (rutin, quercetin, caffeic, p-coumaric, ellagic, protocatehuic, rosmarinic, and syringic acid) were identified and quantified using HPLC in methanolic and ethanolic extracts. Results showed that both species are a source of polyphenolics and other antioxidants with radical-scavenging and chelating properties. The extracts prepared from both species showed broad spectrum of antimicrobial activity on in vitro tested microbial species (Staphylococcus aureus, Escherichia coli, Candida albicans, C. dubliniensis, C. parapsilosis, C. krusei, C. glabrata, and Microsporum gypseum).

antimicrobial activity ; antioxidant capacity ; phenolic compounds ; Satureja montana ; Satureja subspicata

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