Efficient radiolabeling of rutin with 125I and biodistribution study of radiolabeled rutin
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The purpose of the current research is to synthesize radiolabeled rutin for biodistribution study and SPECT/CT image of rutin. The optimized radiolabeling condition provided 125I-labeled rutin with 53.5 % of radiochemical yield. Most of orally administered 125I-labeled rutin was initially found in the stomach and small intestine and a portion of the product was then distributed in internal organs. While intravenously injected 125I-labeled rutin was accumulated in liver and then a large part of it was transferred to small intestine. The present results provided an efficient radiolabeling method of flavonoid glycoside as well as quantitative organ distribution of rutin.
KeywordsRutin Radiolabeling 125I SPECT/CT Biodistribution
This work was supported by the National Research Foundation of Korea grant funded by the Korea government (Grant Nos. 2012M2B2B1055245 and 2012M2A2A6011335) and Korea Atomic Energy Research Institute.
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