Related Experiment Video
Updated: Feb 26, 2026

Quantification of Humic and Fulvic Acids in Humate Ores, DOC, Humified Materials and Humic Substance-Containing Commercial Products
Published on: March 18, 2022
Cardiovascular Effects of High-Molecular-Weight Compounds of Humic Nature
M V Zykova1, M V Belousov2, T V Lasukova3,4
1Siberian State Medical University, Ministry of Health of the Russian Federation, Tomsk, Russia. gmv2@rambler.ru.
Abstract:
The active ingredient extracted from the peat humic substances was characterized by physicochemical parameters evaluated by UV- and IR-spectroscopy, titration, and elemental (C, H, N) analysis. The cardiovascular effects of this ingredient were examined on isolated Langendorff-perfused rat heart. It was found that the active substance in a concentration range of 0.01-0.1 mg/ml produced a vasodilating effect; in addition, it decreased the end-diastolic and left-ventricular developed pressures.
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