Isorhamnetin and Quercetin Derivatives as Anti-Acetylcholinesterase Principles of Marigold (Calendula officinalis) Flowers and Preparations
- D. Olennikov, N. I. Kashchenko, N. Chirikova, A. Akobirshoeva, I. N. Zilfikarov, C. Vennos
- Chemistry, MedicineInternational Journal of Molecular Sciences
- 1 August 2017
The presented results suggest that isorhamnetin and quercetin and its glycosides can be considered as potential anti-acetylcholinesterase agents.
Bioactive Phenolics of the Genus Artemisia (Asteraceae): HPLC-DAD-ESI-TQ-MS/MS Profile of the Siberian Species and Their Inhibitory Potential Against α-Amylase and α-Glucosidase
- D. Olennikov, N. Chirikova, N. I. Kashchenko, V. Nikolaev, Sang-Woo Kim, C. Vennos
- Medicine, ChemistryFrontiers in Pharmacology
- 12 July 2018
The results obtained in this study reveal that Siberian Artemisia species and CQAs possess a pronounced inhibitory activity against α-amylase and α-glucosidase and could become a complement to synthetic antidiabetic drugs for controlling blood glucose level.
6″-Galloylpicein and other phenolic compounds from Arctostaphylos uva-ursi
- D. Olennikov, G. V. Chekhirova
- ChemistryChemistry of Natural Compounds
- 27 March 2013
Phenolic compounds from leafy shoots of A. uva-ursi (Ericaceae) were studied. The new phenolic glycoside 6″-galloylpicein and 40 known compounds were isolated. Roots of A. uva-ursi afforded 16…
New Mucic Acid Gallates from Phyllanthus emblica
- D. Olennikov, N. I. Kashchenko, H. Schwabl, C. Vennos, C. Loepfe
- ChemistryChemistry of Natural Compounds
- 22 July 2015
Two new compounds that were identified as mucic acid 2,5-di-O-gallate (1) and mucic acid 2,5-di-O-gallate 1,4-lactone (2) and 14 known compounds, including for the first time in a plant…
Caucasian Gentiana Species: Untargeted LC-MS Metabolic Profiling, Antioxidant and Digestive Enzyme Inhibiting Activity of Six Plants
- D. Olennikov, A. I. Gadimli, C. Vennos
- Chemistry, MedicineMetabolites
- 1 November 2019
The findings presented in this work suggest that the Caucasian gentians are a good source of bioactive phytocompounds with antioxidant and antidiabetic potential.
Water-soluble endopolysaccharides from the fruiting bodies of Laetiporus sulphureus (Bull.:Fr.) Murr.
- D. Olennikov, S. Agafonova, G. Borovskii, T. Penzina, A. V. Rokhin
- Chemistry, MedicineApplied Biochemistry and Microbiology
- 13 September 2009
The study of the major 56-kDa polysaccharide, laetiporan A, showed that it is a β-1,3-glucan containing mannose, galactose, fucose, xylose, and rhamnose residues at position C-6.
Quantitative determination of phenolic compounds in Mentha piperita leaves
- D. Olennikov, L. M. Tankhaeva
- ChemistryChemistry of Natural Compounds
- 30 March 2010
A spectrophotometric method using a dual-wavelength Firordt method that enabled simultaneous determination of the flavonoid and phenolic-acid contents was developed for quantitative analysis of…
A quantitative assay for total fructans in burdock (Arctium spp.) roots
- D. Olennikov, L. M. Tankhaev
- ChemistryRussian journal of bioorganic chemistry
- 20 November 2011
AbstractsA quantitative assay of the total content of polysaccharides (fructans) in burdock roots in fructose equivalent has been elaborated. Extraction of free carbohydrates and polysaccharides has…
Chemical composition of fruiting bodies from two strains of Laetiporus sulphureus
- S. Agafonova, D. Olennikov, G. Borovskii, T. Penzina
- GeologyChemistry of Natural Compounds
- 1 November 2007
Irkutsk, ul. Lermontova, 132, fax (3952) 51 07 42, e-mail: agafonova@sifibr.irk.ru; 2) Institute of General and Experimental Biology, Siberian Division, Russian Academy of Sciences, 670047, Ulan-Ude,…
Meadowsweet Teas as New Functional Beverages: Comparative Analysis of Nutrients, Phytochemicals and Biological Effects of Four Filipendula Species
- D. Olennikov, N. I. Kashchenko, N. Chirikova
- Chemistry, MedicineMolecules
- 26 December 2016
The bioactivity data demonstrated a good ability of meadowsweet teas to inhibit amylase, α-glucosidase and AGE formation, and the anti-complement activity of the water-soluble polysaccharide fraction of meadowweet tea indicated their possible immune-modulating properties.
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