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  • Küçük Resim
    Öğe
    Atomic absorption spectrometric analysis of Trigonella foenum-graecum L. seeds cultivated in Turkey
    (2005) Kan, Yüksel; Kan, Asuman; Ceyhan, Timurhan; Sayar, Esin; Kartal, Murat; Altun, Levent; Aslan, Sinem
    Trigonella foenum-graecum L. (Çemen) bitkisi Türkiye'de yaygın olarak yetişen iyi bilinen bir Leguminosae familyası bitkisidir ve bin yıldır baharat olarak, Çemen hazırlamada ve halk ilacı olarak kullanılmaktadır. Tohumların besleyici özelliklerinin olduğu ve sindirimi kolaylaştırdığı rapor edilmiştir. Bu çalışmada, farklı şartlarda kültüre alınmış Trigonella foenum- graecum bitkisinin tohumlarında bazı önemli mineraller (Al, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Ni, Pb and Zn) Atomik Absorbsiyon Spektrometriyöntemi ile ölçülmüştür.
  • Küçük Resim
    Öğe
    Fatty Acid Profile and Antimicrobial Effect of the Seed Oils of Urtica Dioica and U. Pilulifera
    (2009) Kan, Yüksel; Orhan, İlkay; Koca, Ufuk; Özçelik, Berrin; Aslan, Sinem; Kartal, Murat; Küsmenoğlu, Şenay
    In present study, our goal was to investigate the fatty acid composition of the seed oils obtained from Urtica dioica and U. pilulifera cultivated in Turkey by capillary gas chromatography-mass spectrometry (GC-MS). Linoleic acid was found to be the main fatty acid (44.29 % for U. dioica and 62.99 % for U. pilulifera), followed by oleic acid (34.93 % for U. dioica and 21.91 % for U. pilulifera). Trace amount of linolenic acid (0.55 %) was analyzed only in U. pilulifera. These two oils were also tested against Escherichia coli, Pseudomonas aeruginosa, Proteus mirabilis, Klebsiella pneumoniae, Acinetobacter baumannii, Staphylococcus aureus, Bacillus subtilis, and Enterococcus faecalis for their antibacterial activity along with Candida albicans and C. parapsilosis for their antifungal activity by microdilution method.
  • Küçük Resim Yok
    Öğe
    GC-MS analysis and antibacterial activity of cultivated Satureja cuneifolia Ten. essential oil
    (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2006) Kan, Yüksel; Uçan, Uçkun Sait; Kartal, Murat; Altun, M. Levent; Aslan, Sinem; Sayar, Esin; Ceyhan, Timurhan
    The composition of the essential oil of Satureja cuneifolia Ten. cultivated in Konya, Turkey, was investigated by capillary GC-MS. The compounds were characterized by comparison with library searches. Six main compounds were identified. Carvacrol was the dominant component, comprising 59.28% of the essential oil. The oil also contained 15.72% thymol, 9.69% p-cymene, 4.16% gamma-terpinene, 1.70% linalool and 1.25% borneol. The antibacterial activity of the essential oil of S. cuneifolia and its components was determined by a semiquantative disc-diffusion method, and the minimum inhibitory concentration ( MIC) was determined based on a micro-well dilution method against strains of Pseudomonas aeruginosa, Bacillus cereus, Sarcina lutea, Escherichia coli, and Staphylococcus aureus.