Abstract
The polysaccharide complex (PSCs) of the Lycium barbarum fruits (commercially available and introduced in the research Institute of Biotechnology of Gorsky GAU, RSO-Alania) and wild Lycium ruthenicum (Absheron District, Tugchay River valley) was studied for the first time. The PSC yield from Lycium barbarum L. fruits was 1. and 1.7 % versus 3.1% from Lycium ruthenicum . In the majority of cases, uronic acids are present in the fraction of water-soluble polysaccharides (WSPS-2) and pectin substances (PS) of Lycium ruthenicum in the amount of 60.0% and 58.0%, respectively. Arabinose is present in the largest amount in all PSK (more than 43%). The second largest monomer is galactose, which is also identified in all polysaccharides. The molecular weight of the 'acidic' and 'neutral' polysaccharides (WSPS-1 and WSPS-2) of the Lycium fruits under consideration differs to a significant extent.
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