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Title: Secondary metabolite content and in vitro biological effects of Ajuga chamaepitys (L.)Schreb. subsp. chamaepitys
Authors: Jakovljević, Dragana
Vasić, Sava
Stanković, Milan
Čomić, Ljiljana
Topuzovic, Marina
Journal: Archives of Biological Sciences
Issue Date: 1-Jan-2015
Abstract: The antioxidant and antimicrobial activities and contents of total phenolics and flavonoids of Ajuga chamaepitys (L.) Schreb. subsp. chamaepitys (Lamiaceae) were investigated. Five different extracts from aboveground flowering plant parts were obtained by extraction with water, methanol, acetone, ethyl acetate and petroleum ether. The total phenolic content was determined spectrophotometrically using the Folin-Ciocalteu reagent and expressed as the gallic acid equivalent (mg GA/g of extract). The highest value was obtained in the ethyl acetate extract (57.02 mg GA/g). The concentration of flavonoids, determined using a spectrophotometric method with aluminum chloride and expressed as the rutin equivalent (mg RU/g of extract), was highest in the ethyl acetate extract (91.76 mg RU/g). The antioxidant activity was determined in vitro using 2,2-diphenyl-1-picrylhydrazyl (DPPH) reagent. The highest antioxidant activity was detected in the acetone extract (SC50 value = 330.52 μg/mL). In vitro antimicrobial activities were determined using a microdilution method, and the minimum inhibitory concentration (MIC) and minimum microbicidal concentration (MMC) were determined. The most effective antimicrobial activity against Bacillus cereus was demonstrated by the acetone extract, with MIC and MMC values of 1.25 mg/mL. Based on the results of this study, A. chamaepitys subsp. chamaepitys could be considered as a valuable source of natural compounds with important biological activities.
Type: article
DOI: 10.2298/ABS150225095J
ISSN: 03544664
SCOPUS: 84951741638
Appears in Collections:Faculty of Science, Kragujevac

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