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Application of Humic Substances in Medicine: Basic Studies to Assess Pro- and Anticoagulant Properties of Humic Acids

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Functions of Natural Organic Matter in Changing Environment

Abstract

This study was performed in order to evaluate the dose-dependent effect of different humic acid (HA) preparations on blood coagulation. Using the thrombelastographic method, we examined HA from Altteich peat (eastern Saxony, Germany), sodium humate from an ombrotrophic mire in Mecklenburg-Western Pomerania, Germany, and the IHSS reference HA from Waskish peat (Minnesota, USA). The results revealed a strikingly bimodal behaviour of the tested HA: at high concentrations (250–1,000 μg/mL), they prolonged the reaction time, i.e. the period of time necessary until the beginning of clot formation, by 2–12-fold (anticoagulant effect); however, at low concentrations (0.9–31.3 μg/mL), they tended to reduce the reaction time by an average of 25% (procoagulant effect).

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Acknowledgements

The authors thank the BMBF (Federal Ministry of Education and Research), Bonn, for financial support (FKZ 1746X06).

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Correspondence to H. P. Klöcking .

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© 2013 Zhejiang University Press and Springer Science+Business Media Dordrecht

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Klöcking, H.P., Klöcking, R. (2013). Application of Humic Substances in Medicine: Basic Studies to Assess Pro- and Anticoagulant Properties of Humic Acids. In: Xu, J., Wu, J., He, Y. (eds) Functions of Natural Organic Matter in Changing Environment. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5634-2_205

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