Yazar "Hiltunen, Raimo" için listeleme
-
Chemical composition and in vitro antioxidant evaluation of a water-soluble Moldavian balm (Dracocephalum moldavica L.) extract
Dastmalchi, Keyvan; Dorman, H. J. Damien; Koşar, Müberra; Hiltunen, Raimo (Elsevier Science BV, 2007)The chemical composition and antioxidant properties of a water-soluble extract of Moldavian balm (Dracocephalum moldavica L., syn. Moldavian dragonhead) prepared by hydrodistillation are presented in this study. The total ... -
An improved HPLC post-column methodology for the identification of free radical scavenging phytochemicals in complex mixtures
Koşar, Müberra; Dorman, D; Başer, K. Hüsnü Can; Hiltunen, Raimo (Springer Heidelberg, 2004)The importance of natural antioxidants principally relates to their health-promoting properties. The discovery of new sources of established compounds or more potent compounds is a costly exercise and any technique capable ... -
Iron(III) reducing and antiradical activities of three Sideritis from Turkey
Dorman, H. J. Damien; Koşar, Müberra; Başer, K. Hüsnü Can; Hiltunen, Raimo (Informa Healthcare, 2011)Objective: The antiradical activities of the various solvent extracts of Sideritis species are investigated here for the first time. Materials and methods: Plant samples were sequentially extracted with n-hexane, ... -
Phenolic profile and antioxidant evaluation of Mentha x piperita L. (peppermint) extracts
Seven extracts were prepared from Mentha x piperita (peppermint) leaves in sequence using a Soxhlet apparatus, viz. (40-60°) light petroleum (PE), dichloromethane (CH2Cl2), acetonitrile (ACN), ethyl acetate (EtOAc), methanol ... -
Phenolic Profile and Antioxidant Evaluation of Mentha x piperita L., (Peppermint) Extracts
Dorman, H. J. Damien; Koşar, Müberra; Başer, K. Hüsnü Can; Hiltunen, Raimo (Natural Products Inc, 2009)Seven extracts were prepared from Mentha x piperita (peppermint) leaves in sequence using a Soxhlet apparatus, viz. (40-60 degrees) light petroleum (PE), dichloromethane (CH(2)Cl(2)), acetonitrile (ACN), ethyl acetate ... -
Salvia officinalis L.: Composition and Antioxidant-related Activities of a Crude Extract and Selected Sub-fractions
Koşar, Müberra; Dorman, H. J. Damien; Başer, K. Hüsnü Can; Hiltunen, Raimo (Natural Products Inc, 2010)The composition and antioxidant properties of a methanol: acetic acid (99:1, v/v) soluble crude extract isolated from S. officinalis L. leaves through maceration and selected fractions isolated thereof are presented in ... -
Screening of free radical scavenging compounds in water extracts of Mentha samples using a postcolumn derivatization method
Koşar, Müberra; Dorman, HJD; Başer, K. Hüsnü Can; Hiltunen, Raimo (American Chemical Society, 2004)An on-line high-performance liquid chromatography-1,1-diphenyl-2-picrylhydrazyl (HPLC-DPPH.,) method has been improved for the detection of polar and nonpolar radical scavenging compounds in complex plant extracts. Nine ...
