Yazar "Avunduk, Sibel" için listeleme
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The Antifungal Activity of Erica manipuliflora Salisb. Extracts and Secondary Metabolite: Ursolic Acid
Omuzbüken, Burcu; Kaçar, Aslı; Avunduk, Sibel (Springer, 2021)Abstract: Erica manipuliflora Salisb. and Erica arborea L. are common species in the seaside areas in Turkey. The aerial parts of Erica manipuliflora and Erica arborea, have been generally utilized as astringent, diuretic ... -
Antıbacterıal And Antıoxıdant Actıvıty of Myrtus Communıs L. Growıng Wıld in Marmarıs
Marmaris'in üç farklı bölgesinden toplanan Myrtus (Mersin a¤acı) meyveleri kurutulmuş, ö¤ütülmüş ve sırasıyla, n-heksan, CH2CI2 ve MeOH ile ekstrakte edilmiştir. Elde edilen kurutulmuş, ekstraktlar dört farklı test bakterisine ... -
Chionaeosides A-D, triterpene saponins from Paronychia chionaea
Avunduk, Sibel; Lacaille-Dubois, Marie-Aleth; Miyamoto, Tomofumi; Bedir, Erdal; Şenol, Serdar Gökhan; Çalışkan, Özgen Alankuş (Amer Chemical Soc, 2007)Four new triterpenoid saponins, chionaeosides A-D (1-4) were isolated from the roots of Paronychia chionaea. On the basis of their spectroscopic data, the structures of the new saponins were established as 3-o-alpha-L-ar ... -
Cycloartane Glycosides from Three Species of Astragalus (Fabaceae)
Linnek, Jens; Mitaine-Offer, Anne-Claire; Miyamoto, Tomofumi; Tanaka, Chiaki; Paululat, Thomas; Avunduk, Sibel; Lacaille-Dubois, Marie-Aleth (Wiley-V C H Verlag Gmbh, 2011)Nine cycloartane-type glycosides were isolated from three species of the genus Astragalus (Fabaceae): From the aerial parts of A. cicer L., two new saponins, cicerosides A and B (1 and 2, resp.), i.e., a tetradesmosidic ... -
Cycloartane-Type Saponins from Astragalus tmoleus var. tmoleus
Avunduk, Sibel; Mitaine-Offer, Anne-Claire; Miyamoto, Tomofumi; Tanaka, Chiaki; Lacaille-Dubois, Marie-Aleth (Sage Publications Inc, 2016)Five known cycloartane-type glycosides were isolated from the roots of A. tmoleus Boiss. var. tmoleus. The identification of these compounds was mainly achieved by 1D and 2D NMR spectroscopic techniques and FABMS. The ... -
DECOLOURIZATION AND REMOVAL OF PHENOL COMPOUNDS FROM OLIVE MILL WASTEWATER BY O-3/UV/NaBO3 AND PRE-TREATMENT
Ugurlu, Mehmet; Avunduk, Sibel; Chaudhary, Abdul J.; Vaizogullar, A. Imran; Karaoglu, M. Hamdi; Bastan, Selma (Parlar Scientific Publications (P S P), 2015)Olive mill wastewater (OMW) generated by the olive oil extracting industry is a major pollutant, because of its high organic load and phytotoxic and antibacterial phenolic compounds which resist biological degradation. The ... -
Evidence of Insulin-Sensitizing and Mimetic Activity of the Sesquiterpene Quinone Avarone, a Protein Tyrosine Phosphatase 1B and Aldose Reductase Dual Targeting Agent from the Marine Sponge Dysidea avara
Casertano, Marcello; Genovese, Massimo; Santi, Alice; Pranzini, Erica; Balestri, Francesco; Avunduk, Sibel (MDPI, 2023)Type 2 diabetes mellitus (T2DM) is a complex disease characterized by impaired glucose homeostasis and serious long-term complications. First-line therapeutic options for T2DM treatment are monodrug therapies, often replaced ... -
In vitro Biological Activity of Liquidambar orientalis Mill against Pathogen and Marine Biofilm Microorganisms
Avunduk, Sibel; Kacar, Asli (Dr M N Khan, 2013)The balsam "liquid storax" of Liquidambar orientalis Mill. that (Sigla) is an endemic tree species for Eastern Mediterranean, was obtained from Gunnucek (Marmaris). It was extracted with n-hexane, CH2Cl2, and MeOH respectively. ... -
Investigating the Antiparasitic Potential of the Marine Sesquiterpene Avarone, Its Reduced Form Avarol, and the Novel Semisynthetic Thiazinoquinone Analogue Thiazoavarone
Imperatore, Concetta; Gimmelli, Roberto; Persico, Marco; Casertano, Marcello; Guidi, Alessandra; Saccoccia, Fulvio; Menna, Marialuisa; Avunduk, Sibel (Mdpi, 2020)The chemical analysis of the sponge Dysidea avara afforded the known sesquiterpene quinone avarone, along with its reduced form avarol. To further explore the role of the thiazinoquinone scaffold as an antiplasmodial, ... -
Screening of Beta-glucosidase inhibitors and their Chemical Profiles from Marine sediment Bacteria
Omuzbüken, Burcu; Kaçar, Aslı; Avunduk, Sibel; Erden Pazı, İdil (SPRINGER INTERNATIONAL PUBLISHING AG, 2022)The marine environment can be a valuable resource of secondary metabolites. The request for novel natural products and their application in public health has received increased attention. Novel natural products with potential ... -
Secondary Metabolites from the Roots of Paronychia chionaea
Avunduk, Sibel; Alankus-Caliskan, Ozgen; Miyamoto, Tomofumi; Tanaka, Chiaki; Lacaille-Dubois, Marie-Aleth (Natural Products Inc, 2011)Two novel secondary metabolites, compounds (1-2) were isolated from the roots of Paronychia chionaea. On the basis of spectroscopic data including ID and 2D NMR experiments (COSY, TOCSY, HSQC, and HMBC), and mass spectroscopy, ... -
Three cycloartane saponins from Astragalus tmoleus var. tmoleus
Avunduk, Sibel; Mitaine-Offer, A. C.; Miyamoto, T.; Tanaka, C.; Lacaille-Dubois, M. A. (Georg Thieme Verlag Kg, 2012) -
Triterpene glycosides from the roots of Astragalus flavescens
Avunduk, Sibel; Mitaine-Offer, Anne-Claire; Alankuş-Caliskan, Özgen; Miyamoto, Tomofumi; Şenol, Serdar Gökhan; Lacaille-Dubois, Marie-Aleth (Amer Chemical Soc, 2008)Six new triterpene saponins, 3-O-alpha-L-rhamnopyranosyl-(1 -> 2)-beta-D-Xylopyranosyl-(1 -> 2)-beta-D-glucuronopyranosyl-21-epi-kudzusapogenol A (1), 3-O-alpha-L-rhamnopyranosyl-(1 -> 2)-beta-D-glucopyranosyl-(1 -> ... -
Triterpenoid saponins from the roots of two Gypsophila species
Pertuit, David; Avunduk, Sibel; Mitaine-Offer, Anne-Claire; Miyamoto, Tomofumi; Tanaka, Chiaki; Paululat, Thomas; Lacaille-Dubois, Marie-Aleth (Pergamon-Elsevier Science Ltd, 2014)Two triterpenoid saponins with two known ones have been isolated from the roots of Gypsophila arrostii var. nebulosa, and two new ones from the roots of Gypsophila bicolor. Their structures were established by extensive ...
