Yazar "Kıvrak, İbrahim" için listeleme
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Analytical Methods Applied to Assess Chemical Composition, Nutritional Value and In Vitro Bioactivities of Terfezia olbiensis and Terfezia claveryi from Turkey
Kıvrak, İbrahim (Springer, 2015)In this study, nutritional value, free amino acids, phenolic and sugar compounds, mineral and heavy metal contents of truffles, Terfezia olbiensis, and Terfezia claveryi from Turkey were chemically characterized using ... -
The antibacterial effect of bee venom on subclinical mastitis agents: an alternative for local treatment
Güven Gökmen, Tülin; Yazgan, Hatice; Sevin, Sedat; Turut, Nevin; Karahan, Şifa; Eşki, Funda; Kıvrak, İbrahim (Taylor and Francis Ltd., 2023)Subclinical mastitis is an important problem in terms of the dairy economy all over the world and due to the increasing antibiotic resistance day by day, there is a great need for new antibiotic alternatives and natural ... -
Antioxidant and antimicrobial activities of Laetiporus sulphureus (Bull.) Murrill
Türkoğlu, Aziz; Duru, Mehmet Emin; Mercan, Nazime; Kıvrak, İbrahim; Gezer, Kudret (Elsevier Sci Ltd, 2007)Antioxidant capacity and antimicrobial activities of Laetiporus sulphureus (Bull.) Murrill. extracts obtained with ethanol were investigated in this study. The study was aimed at determining the antioxidant activity (DPPH ... -
Antioxidant and antimicrobial activities of Morchella conica Pers.
Türkoğlu, A.; Kıvrak, İbrahim; Mercan, N.; Duru, Mehmet Emin; Gezer, K.; Türkoğlu, H. (Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Morchella conica Pers. extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, -carotene/linoleic ... -
Antioxidant, anticholinesterase and antimicrobial constituents from the essential oil and ethanol extract of Salvia potentillifolia
Kıvrak, İbrahim; Duru, Mehmet Emin; Öztürk, Mehmet; Mercan, Nazime; Harmandar, Mansur; Topçu, Gülaçtı (Elsevier Sci Ltd, 2009)The essential oil of Salvia potentillifolia was analysed by GC and GC-MS. Totally, 123 components were detected in both hydrodistilled and steam-distilled oils, alpha- and beta-pinenes being major compounds. The antioxidant ... -
Assessment of Bioactive Compounds and Antioxidant Activity of Turkey Tail Medicinal Mushroom Trametes versicolor (Agaricomycetes)
Kıvrak, İbrahim; Kıvrak, Şeyda; Karababa, Ersan (Begell House Inc, 2020)Trametes versicolor is important for its medicinal rather than nutritional value. It has a variety of pharmacological activities. The purpose of this study was to elucidate the bioactive properties of the wild medicinal ... -
Assessment of Volatile Oil Composition, Phenolics and Antioxidant Activity of Bay (Laurus nobilis) Leaf and Usage in Cosmetic Applications
Kıvrak, Şeyda; Göktürk, Tolga; Kıvrak, İbrahim (2017)In this study, the components of the volatile oil obtained from Laurus nobilis leaves by steam distillation were determined using Agilent 6890 Gas Chromatography (GC) - 5975 Mass Spectrometry (MS). The antioxidant activities ... -
Can Riboflavin Penetrate Stroma Without Disrupting Integrity of Corneal Epithelium in Rabbits? Iontophoresis and Ultraperformance Liquid Chromatography With Electrospray Ionization Tandem Mass Spectrometry
Novruzlu, Şahin; Özel Türkcü, Ummuhani; Kıvrak, İbrahim; Kıvrak, Şeyda; Yüksel, Erdem; Deniz, Nuriye Gokcen; Bilgihan, Kamil (Lippincott Williams & Wilkins, 2015)Purpose:To examine riboflavin concentrations in corneas and aqueous humor from rabbits with standard and transepithelial methods and iontophoresis without disrupting the integrity of the corneal epithelium before corneal ... -
Characterization of Turkish honeys regarding of physicochemical properties, and their adulteration analysis
Kıvrak, Şeyda; Kıvrak, İbrahim; Karababa, Ersan (Soc Brasileira Ciencia Tecnologia Alimentos, 2017)This work was conducted to evaluate the quality of 54 honey samples from eighteen different origins from Turkey. Physicochemical properties were examined according to AOAC methods, total phenolic and flavonoid contents by ... -
Chemical composition and antibacterial activity of bee venom against multi-drug resistant pathogens
Güven Gökmen, Tülin; Yazgan, Hatice; Özdemir, Yıldız; Sevin, Sedat; Turut, Nevin; Kıvrak, İbrahim (AOSIS, 2023)Bee venom with an antimicrobial effect is a powerful natural product. One of the most important areas where new antimicrobials are needed is in the prevention and control of multi-drug resistant pathogens. Today, antibacterial ... -
Comparative study of antibiofilm, cytotoxic activity and chemical composition of Algerian propolis
Daikh, Amina; Segueni, Narimane; Dogan, Nazime Mercan; Arslan, Sevki; Mutlu, Dogukan; Kıvrak, İbrahim; Rhouati, Salah (Taylor & Francis Ltd, 2020)Antimicrobial agents are one of the strategies for inhibition of biofilm formation. But, most antimicrobials are not often effective in controlling of biofilm formation. Therefore, finding of new materials that have biofilm ... -
Determination of Phenolic Composition of Tilia Tomentosa Flowers Using UPLC-ESI-MS/MS
Kıvrak, Şeyda; Göktürk, Tolga; Kıvrak, İbrahim (2017)Phenolic compounds, which are secondary metabolites of plants, are one of the main groups of compounds that provide antiallergic, antiinflammatory, antimicrobial, antioxidant, cardioprotective properties of medicinal and ... -
Determination of the Effects of Bee Venom on Triple Negative Breast Cancer Cells in Vitro
Sevin, Sedat; Deveci Ozkan, Asuman; Tutun, Hidayet; Kıvrak, İbrahim; Turna, Özge; Güney Eskiler, Gamze (John Wiley and Sons Inc, 2023)Honeybees provide multiple products such as bee venom (BV) which are used for various nutritional and medicinal purposes. BV has received great attention due to its wide range of bioactive components with potential anti-cancer ... -
Development of a rapid method for the determination of antibiotic residues in honey using UPLC-ESI-MS/MS
Kıvrak, İbrahim; Kıvrak, Şeyda; Harmandar, Mansur (Soc Brasileira Ciencia Tecnologia Alimentos, 2016)An accurate, reliable and fast multianalyte/multiclass ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed and validated for the simultaneous analysis of 23 pharmaceuticals, ... -
THE EFFECTS SOME PLANT (Coridothymus Capitatus L.) RCHB. F. AND Mentha Pulegium L.) EXTRACTS ON THE CONTROL OF AN INVASIVE WEED (Oxalis Pes-Caprae L.)
Özderin, Sevgin; Kaçan, Koray; Kıvrak, İbrahim (PARLAR SCIENTIFIC PUBLICATIONS, 2022)This study was carried out to determine the effect of some plant extracts in the control of weed (Oxalis pes-caprae L.) which is an invasive weed species. The phenolic components of Coridotavmus capitatus (L.) Rchb. F. and ... -
Free-radical scavenging capacity and antimicrobial activity of wild edible mushroom from Turkey
Gezer, K.; Duru, Mehmet Emin; Kıvrak, İbrahim; Türkoğlu, A.; Mercan, N.; Türkoğlu, H.; Gülcan, S. (Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Ramaria flava (Schaeff) Quel. (RF) extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, ... -
Increased serum levels of Bisphenol A and Betatrophin in patients with Psoriasis
Psoriasis is a common and serious systemic inflammatory disease. The purpose of this study is to research the relationship between bisphenol A, betatrophin, urocortin 3 and vitamin D levels in patients with psoriasis. Sixty ... -
Investigation of Chemical Composition and Nutritional Value of Truffle Mushroom (Tuber nitidum Vittad.)
Kıvrak, Şeyda; Kıvrak, İbrahim (2018)Truffles are very precious and expensive mushrooms owing to their distinctive aroma and great flavor. The present study was carried out to survey the nutritional value of Tuber nitidum, a wild edible mushroom belonging to ... -
NMR metabolomics analysis of Escherichia coli cells treated with Turkish propolis water extract reveals nucleic acid metabolism as the major target
Elgin, E Sonay; Çatav, Ş Serter; Babayeva, Anara; Kim, Hakbeom; Kim, Hakbeom; Dibek, Esra; Çöl, Bekir; Chae, Young Kee; Kıvrak, İbrahim (NLM (Medline), 2023)AIMS: Propolis is a resinous bee product containing several hundred biologically active compounds. Although the antibacterial activity of propolis has been demonstrated in many in vitro studies, less is known about its ...
