Kurum Yazarı "Koşar, Müberra" Makale Koleksiyonu İçin Listeleme
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Analysis of sugars, organic acids and vitamin C contents of blackberry genotypes from Turkey
Kafkas, E; Koşar, Müberra; Turemis, N; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2006)The paper reports the composition of some quality characteristics of five blackberry varieties ("C. Thornless", "Bursa 2", "Navaho", "Jumbo" and "Loch Ness"). Main soluble sugar and acid contents of experimental varieties ... -
Antioxidant properties and phenolic composition of Sideritis species
Tunalıer, Zeynep; Koşar, Müberra; Öztürk, Nilgün; Başer, K. Hüsnü Can; Duman, Hayri; Kırımer, Neşe (Kluwer Academic/Plenum Publishers, 2004)The antioxidant properties and phenolic composition of 27 Sideritis species were studied. Plant samples were extracted with petroleum ether using a Soxhlet apparatus. The defatted plant materials were extracted with 70% ... -
Antioxidant, anti-inflammatory, anti-nociceptive activities and composition of Lythrum salicaria L. extracts
Tunalıer, Zeynep; Koşar, Müberra; Küpeli, Esra; Çalış, İhsan; Başer, K. Hüsnü Can (Elsevier Ireland LTD, 2007)Lythrum salicaria (purple loosestrife) known as "Tibbi hevhulma" in Turkish is used for its several beneficial health effects against as diarrhea, chronic intestinal catarrh, hemorrhoid and eczema in the form of a decoction ... -
Chemical composition and biological investigation of Pelargonium endlicherianum root extracts
Karatoprak, Gökçe Seker; Göğer, Fatih; Yerer, Mukerrem Betül; Koşar, Müberra (Taylor & Francis LTD, 2017)Context: Pelargonium endlicherianum Fenzl. (Geraniaceae) roots and flowers are traditionally used in Turkey as a decoction treatment against intestinal parasites. Neither the chemical composition nor the potential bioactivity ... -
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 ... -
Comparison of microwave-assisted hydrodistillation and hydrodistillation methods for the analysis of volatile secondary metabolites
Koşar, Müberra; Özek, Temel; Göğer, Fatih; Kürkçüoğlu, Mine; Başer, K. Hüsnü Can (Taylor & Francis Inc, 2005)Microwave-assisted hydrodistillation (MWHD) and hydrodistillation (HD) were carried out for the analysis of volatile components in Whole and ground fruits of Anethum graveolens L. (dill seed) and Coriandrum sativum L. ... -
Comparison of microwave-assisted hydrodistillation and hydrodistillation methods for the fruit essential oils of Foeniculum vulgare
Koşar, Müberra; Özek, Temel; Kürkçüoğlu, Mine; Başer, K. Hüsnü Can (Allured Publ Corp, 2007)Microwave-assisted hydrodistillation (MWHD) and hydrodistillation (HD) were carried out for the analysis of volatile components in whole and ground fruits of Foeniculum vulgare Miller (fennel). Fruits were distilled using ... -
Composition of the essential oils of Lycium barbarum and L-ruthenicum fruits
Altıntaş, Ayhan; Koşar, Müberra; Kırımer, Neşe; Başer, K. Hüsnü Can; Demirci, Betül (Springer, 2006)Water-distilled essential oils from the fruits of Lycium barbarum and L. ruthenicum were analyzed by GC-MS. The main components in the oil of L barbarum were found to be hexadecanoic acid (47.5%), linoleic acid (9.1%), ... -
Determination of the free radical scavenging activity of Lycium extracts
Koşar, Müberra; Altıntaş, Ayhan; Kırımer, Neşe; Başer, K. Hüsnü Can (Consultants Bureau, 2003)Lycium species growing in Turkey have not so far been studied sufficiently. For this reason, non-polar and polar extracts obtained from the fruits of Lycium barbarum L. and L. ruthenicum Murray (Solanaceae) were assessed ... -
Effect of an acid treatment on the phytochemical and antioxidant characteristics of extracts from selected Lamiaceae species
Koşar, Müberra; Dorman, HJD; Hiltunen, R (Elsevier Sci LTD, 2005)Aqueous-methanol extracts were prepared from basil (Ocimum basilicum L.), bay (Laurus nobilis L.), oregano (Origanum vulgare L.), rosemary (Rosmarinus officinalis L.), sage (Salvia officinalis L.), savory (Satureja hortensis ... -
Effect of brining on biological activity of leaves of Vitis vinifera L. (Cv. Sultani Cekirdeksiz) from Turkey
Koşar, Müberra; Küpeli, Esra; Malyer, Hulusi; Uylaser, Vildan; Türkben, Cihat; Başer, K. Hüsnü Can (American Chemical Society, 2007)Leaves of Vitis vinifera (Fam. Vitaceae) cv. 'Sultani ekirdeksiz' cultivated in Manisa-Alaehir in western Turkey, were processed with or without brine. Fresh, brined, and nonbrined leaves (after being subjected to 3 months ... -
Effect of maturation on the composition and biological activity of the essential oil of a commercially important Satureja species from Turkey: Satureja cuneifolia Ten. (Lamiaceae)
Koşar, Müberra; Demirci, Betül; Demirci, Fatih; Başer, K. Hüsnü Can (American Chemical Society, 2008)The essential oil obtained by hydrodistillation from aerial parts of Satureja cuneifolia Ten., collected in three different maturation stages such as preflowering, flowering, and postflowering, were analyzed simultaneously ... -
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 ... -
An improved on-line HPLC-DPPH* method for the screening of free radical scavenging compounds in water extracts of Lamiaceae plants
Koşar, Müberra; Dorman, HJD; Bachmayer, O; Başer, K. Hüsnü Can; Hiltunen, R (Consultants Bureau, 2003)An on-line HPLC-1,1-diphenyl-2-picrylhydrazyl (DPPH*) method has been improved for the detection of polar and nonpolar radical scavenging compounds from complex plant extracts. Eight water extracts were prepared from ... -
In vitro antioxidant properties and phenolic composition of Salvia halophila Hedge from Turkey
Koşar, Müberra; Göğer, Fatih; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2011)An endemic plant of Turkey Salvia halophila Hedge (Lamiaceae) was examined for its antioxidant activity and phenolic compositions. The aerial part of S. halophila was extracted with different solvents in an order of ... -
In vitro antioxidant properties and phenolic composition of Salvia virgata Jacq. from Turkey
Koşar, Müberra; Göğer, Fatih; Başer, K. Hüsnü Can (American Chemical Society, 2008)Antioxidant activities and phenolic compositions of the active fractions of Salvia virgata Jacq. (Lamiaceae) from Turkey were examined. The aerial part of S. virgata was extracted with different solvents in an order of ... -
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 composition and biological activities of Salvia halophila and Salvia virgata from Turkey
Akkol, Esra Küpeli; Göğer, Fatih; Koşar, Müberra; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2008)The aerial parts of Salvia halophila and Salvia virgata were subjected to Soxhlet extraction with different solvents such as n-hexane, ethyl acetate, methanol, and aqueous methanol (50%). Plants were also extracted with ... -
Phenolic composition of strawberry genotypes at different maturation stages
Koşar, Müberra; Kafkas, E; Paydaş, S; Başer, K. Hüsnü Can (American Chemical Society, 2004)The effects of maturation (green, pink, and ripe) on phenolic composition of strawberry cultivars Camarosa, Dorit, Chandler, and Osmanli and their hybrids were investigated using a high-pressure liquid chromatography (HPLC) ...