Research Article | Volume : 1 Issue : 10, December 2011

Determination of in vitro antioxidant activities and phenolic compounds of different extracts of Salvia verticillata ssp. verticillata and spp. Amasiaca from Turkey's flora


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This study was designed to evaluate the in vitro antioxidant activities of hexane,

dichloromethane and methanol extracts of Salvia verticillata ssp. verticillata and spp. amasiaca.

The samples were subjected to screening for their possible antioxidant activity by using 2,2-

diphenyl-1-picriylhydrazyl (DPPH) and β-carotene/linoleic acid assays. The methanol extracts

particularly found to posses strong antioxidant activities (IC50= 16.0 ± 3.01 and 12.1 ± 3.82 mg

ml-1, respectively) whereas the dichloromethane extracts showed low activities. In the linoleic

acid system, oxidation of the linoleic acid was moderately inhibited by the methanol extracts

(61.3 ± 5.38 and 68.7 ± 1.82 %, respectively). Also, in methanol extracts of these plants have

been determined amount of 9 phenolic compounds in different proportions and identified by the

RP-HPLC method. These plants have high level of rosmarinic acid (37.1 and 24.83 mg/g,

respectively) when compared with other components. Amounts of caffeic acid were determined

as 9.82 and 8.69 mg/g, respectively. Our results showed that the high levels of rosmarinic and

caffeic acid are more likely to be responsible for most of the observed antioxidant activities of

Salvia species.

Keyword:     Salvia verticillata ssp. verticillata Salvia verticillata spp. amasiaca Antioxidant activity Phenolic contentsDPPHHPLC.

Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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