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TAŞKIN, TURGUT

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20202
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Author: ŞENKARDEŞ, İSMAİL × Subject: EXTRACT ×

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    The in vitro and in vivo investigation of biological activities and phenolic analysis of Helichrysum plicatum subsp. plicatum
    (UNIV SAO PAULO, CONJUNTO QUIMICAS, 2020) ŞENKARDEŞ, İSMAİL; Taskin, Turgut; Gezmis, Tugba; Cam, Muhammet Emin; Taskin, Duygu; Celik, Berna Ozbek; Senkardes, Ismail; Suzgec-Selcuk, Sevda
    In Turkey, Helichrysum genus is represented by 26 taxa belonging to 20 species in Turkish flora of which 14 ones arc endemic to Turkey. The aerial parts of Helichrysum plicatum subsp. plicatum are used kidney stones, kidney and stomach ailments. The extraction procedures and solvents are important step in processing of bioactive constituents from the plant materials. Therefore, the aim of this study was to evaluate in vitro antioxidant, antimicrobial, anti-urease, anticholinesterase and in vivo anti-inflammatory activities of Helichrysum plicatum subsp. plicatum different extracts. In addition, the phenolic characterization of the Soxhlet and maceration methanol extracts which showed significant antioxidant, anti-urease, antimicrobial, anti-inflammatmy and anticholinesterase activities were performed by HPLC-DAD and LC-MS/MS. In the present study, the Soxhlet methanol extract exhibited strong antioxidant, antimicrobial and anticholinestemse activities than other extracts. The maceration methanol extract showed the strongest anti-urease activity. The Soxhlet methanol and maceration methanol extracts showed in vivo anti-inflammatory activities very close to each other. As a result of this study, chlorogenic acid, dicaffeoylquinic acid, luteolin, luteolin-7-O-glucoside, naringenin-O-hexoside and isoquercitrin compounds were analysed in plant. Therefore, it is thought that methanol extracts can be used as a natural source in the future for food and pharmaceutical industries.
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    Phytochemical screening and evaluation of antioxidant, enzyme inhibition, anti-proliferative and calcium oxalate anti-crystallization activities of Micromeria fruticosa spp. brachycalyx and Rhus coriaria
    (ELSEVIER, 2020) ŞENKARDEŞ, İSMAİL; Taskin, Turgut; Dogan, Murat; Yilmaz, Beyza Nur; Senkardes, Ismail
    Micromeria fruticosa spp. brachycalyx species (Lamiaceae) is used as a spice and flavoring agent. Rhus coriaria (Sumac) is widely used both spice and medicinally. In this study, antioxidant, anti-urease, anticholinesterase, anti-proliferative and calcium oxalate anti-crystallization activities of different extracts from M. fruticosa spp. brachycalyx aerial parts and R. coriaria leaves were investigated. Besides, the phytochemical content of these species was analyzed qualitatively and quantitatively. R. coriaria methanol extract showed stronger antioxidant (DPPH, FRAP, CUPRAC, ARTS) and anticholinesterase (46.85%) activity than M. fruticosa spp. brachycalyx extracts. M. fruticosa spp. brachycalyx methanol extract was found to have the highest anti-urease (11.39%) and anti-proliferative (MCF-7: 53.51%) potential. It was observed that the methanol extracts of both plants had a significant inhibition effect on calcium oxalate crystallization. R. coriaria methanol extract was determined to contain high amounts of total flavonoids (0.177 mgQE/mg extract) and tannins (0.365 mg TAE/mg extract) contents. The extracts from both plants have no cytotoxic effects on the healthy cell (L-929) and have strong biological activities in parallel with traditional use, suggesting that these plants may be used as natural sources in the future.