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Interaction between green tea extract and 99mTc-pertechnetate on in vivo distribution

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Abstract

People drink various types of tea without knowing the side effects of biological and chemical contents and radiopharmaceutical interactions. In current study, it is aimed to evaluate the effects of green tea extract in different extraction solvents on the radiolabeling of the blood constituents with 99mTc and on the biodistribution of radiopharmaceutical sodium pertechnetate (Na99mTcO4) in male Wistar Albino rats. The extraction of green tea was performed in different solvents. Biodistribution studies were performed on male rats which were treated via gavage with green tea extract in different extraction solvents or saline (0.9 % NaCl) as a control group for 7 days. The radiolabeling of blood constituents performed incubating with SnCl2 and 99mTc. According to experimental results, radiolabeling blood components with 99mTc were not modified in the usage of the different extraction solvents for green tea extraction, but a significant alteration (P < 0.05) of biodistribution of Na99mTcO4 was observed after treatment with green tea extract in distilled water. Although there is no considerable effect on radiolabeling of blood components, there is an outstanding change on the biodistribution studies especially with green tea extract in distilled water. The identified change monitored in this study may cause to reduce the risk of misdiagnosis and/or avoid the repetition of the examinations in nuclear medicine.

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Authors and Affiliations

  1. Nuclear Applications Department, Institute of Nuclear Science, Ege University, Izmir, Turkey

    Burak Sabuncu, Fazilet Zumrut Biber Muftuler, Ayfer Yurt Kilcar, Betul Cekic, Eser Ucar & Perihan Unak

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  1. Burak Sabuncu
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  2. Fazilet Zumrut Biber Muftuler
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  3. Ayfer Yurt Kilcar
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  4. Betul Cekic
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  6. Perihan Unak
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Correspondence to Fazilet Zumrut Biber Muftuler.

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Sabuncu, B., Biber Muftuler, F.Z., Yurt Kilcar, A. et al. Interaction between green tea extract and 99mTc-pertechnetate on in vivo distribution. J Radioanal Nucl Chem 300, 1021–1026 (2014). https://doi.org/10.1007/s10967-014-3089-y

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  • DOI: https://doi.org/10.1007/s10967-014-3089-y

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