Аннотация:Thirteen mumiyo samples originated from different geographic regions were characterized with a use of elemental analysis and solution-state 1H, 13C and two-dimensional HSQC NMR spectroscopy. Structural NMR study demonstrated that mumiyo consists of humic-like matter, as well as low-molecular components of carbohydrate, peptide, fatty acid and aromatic nature. Compositional likeness of mumiyo organic matter and products of microbial degradation of petroleum was shown on a base of elemental analysis data.