Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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Author: search.filters.author.Ünver, AhmetHas files: Yes

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  • Article
    Citation - Scopus: 179
    Mineral Content of Some Herbs and Herbal Teas by Infusion and Decoction
    (Elsevier Ltd., 2008) Özcan, Mehmet Musa; Ünver, Ahmet; Uçar, Tolga; Arslan, Derya
    Sage (Salvia fruticosa L.), anise (Pimpinella anisum L.), Hawthorn (Crataegus orientalis), rosemary (Rosmarinus officinalis L.), mountain tea (Sideritis spp), basil (Ocimum basilicum L.), lime flower (Tilia cordata), nettle (Urtica dioica L.), thyme (Thymbra spicata), coriander (Coriandrum sativum L.), rosehip (Rosa canina L.), mentha (Mentha piperita L.), balm (Melissa officinalis L.), tea (Camelia sinensis L.) (Black and green), sena leaf (Casia angustifolia), camomile (Matricaria chamomilla), tarragon (Artemisia dracunculus L.), cinnamon (Cinnamomum casia) and fennel (Foeniculum vulgare L.) were used as plant material in this study. Decoction was applied to R. canina, A. dracunculus and C. casia, and infusion was applied to other plant materials. Ten, 15 and 20 min were used as a time parameter for both infusion and decection. Inductive coupled plasma atomic emission spectrometry (ICP-AEs) has been used for the determination of the elements in all infusions, decoctions and plant material. The Fe (1295.65 ppm) and Mg (3178.74 ppm) of M. officinalis, P (12698.05 ppm) and Pb (3.85 ppm) of green tea, Ca (19685.70 ppm) of C. orientalis, K (29167.53 ppm), Cu (12.18 ppm) and Na (2563.86 ppm) of C. casia, Zn (26.00 ppm) of M. chamomille and Se (23.53 ppm) contents of C. sativum were higher than the other plant materials. Ca (28.621 mg/100 ml) was the highest in concentration in the infusion of C. angustifolia for 10, 15 and 20 min. Ca could not be found in black and green teas. K (231.390 mg/100 ml) and P (24.857 mg/100 ml) contents were the highest in A. dracunculus tea. Mg (16.230 mg/100 ml) content of O. basilicum was determined as the highest. In general, the minerals that difuse to the tea at higher concentrations at the 10th minute were Ag, B, Cu, Co, Fe, ln and Zn, at the 15th minute were Ag, B, Cu, Co, K, ln and Zn and at the 20th minute were Ag, B, Cu, Co, ln, Fe and K. As a result, 10 min was the optimum time for getting the minerals into the tea, and it is apparent that plants and teas are good sources of the minerals. © 2007 Elsevier Ltd. All rights reserved.
  • Article
    Citation - WoS: 27
    Citation - Scopus: 28
    Isolation of Various Arcobacter Species From Domestic Geese (anser Anser)
    (Elsevier Ltd., 2008) Atabay, Halil İbrahim; Ünver, Ahmet; Şahin, Mitat; Otlu, Salih; Elmalı, Mehmet; Yaman, Hilmi
    In this study, the prevalence and distribution of various Arcobacter spp. were investigated in samples taken from the cloacae of healthy domestic geese raised in Turkey. A membrane filtration technique with a non-selective blood agar was employed after enrichment in Arcobacter enrichment broth (AEB) to isolate a wide range of Arcobacter spp. In addition, the isolates were characterized phenotypically and identified at species level using a multiplex-PCR assay. A total of 90 cloacal swab samples taken from geese, collected on three farms (18, 25, 47 samples, respectively), were examined. Of the samples examined, 16 (18%) were found positive for Arcobacter. One Arcobacter species was isolated from each bird. Of the 16 Arcobacter isolates, 7 (44%), 7 (44%) and 2 (12.5%) were identified by m-PCR as A. cryaerophilus, A. skirrowii and A. butzleri, respectively. The present study indicates that domestic geese can harbour a variety of Arcobacter spp. in their cloacae. The presence of Arcobacter in geese may be of significance as reservoirs in their dissemination. Detailed research is needed for better understanding of the epidemiology and zoonotic potential of this emerging pathogen.
  • Article
    Citation - WoS: 2
    Citation - Scopus: 4
    Genotyping of Various Arcobacter Species Isolated From Domestic Geese by Randomly Amplified Polymorphic Dna (rapd) Analysis
    (M. & H. Schaper, 2008) Atabay, Halil İbrahim; Ünver, Ahmet; Otlu, Salih; Kalaycıoğlu, Atila Taner
    The present study was undertaken to genotype Arcobacter (A.) butzleri, A. cryaerophilus and A. skirrowii isolates from domestic geese from three different flocks in Turkey. Fifteen Arcobacter isolates were analysed to determine the RAPD profiles based on the amplified DNA fragment patterns using a universal primer for genotyping. 7 A. cryaerophilus, 2 A. butzleri and 6 A. skirrowii isolates produced 6, 2 and 3 distinct profiles, respectively. The isolates of the same patterns originated from the same flocks. The findings of the present study may support previous reports of the existence of a large degree of heterogeneity among Arcobacter isolates. Observation of such levels of genetic diversity may suggest that there are multiple contamination sources in the environment and/or the determined genotypes may have undergone genetic rearrangements. This first report of genotyping of various Arcobacter species isolated from healthy geese is expected to improve the understanding of the ecology and epidemiology of this emerging pathogen.