Comparative study of compounds of primary exchange duckweed (Lemna minor L.), trisulki duckweed (Lemna trisulca L.) and spirodela (Spirodella polyrrhiza L. Schleid.)
https://doi.org/10.20538/1682-0363-2017-1-59-64
Abstract
The purpose of the paper is to study qualitative composition and quantitative content of primary exchange compounds in duckweed (Lemna minor L.), trisulki duckweed (Lemna trisulca L.) and spirodela (Spirodella polyrrhiza (L.) Schleid).
Materials and methods. The subject of the study was air-dried samples of grass collected during their 2010- 2011 growing season in low-flow and stagnant water bodies of Kozhevnikovsky and Tomsk districts of the Tomsk region. The concentration of free monosaccharides was determined by direct-phase high-performance liquid chromatography. The concentration of the bound sugars was determined by capillary electrophoresis using Applied Biosystem 273T (Thermophischer Ltd., USA). To obtain data on the qualitative composition and quantitative content of amino acids, the amino acid analyzer Hitachi 835 (Japan) was used.
Results. It was found out that the least amount of amino acids contained in the water extract from duckweed trifoliate – 96,14 mg, which is 2 times less than in extracts of Lemna minor and Lemna multirooted (205,65 and 208,38 mg, respectively). In duckweed the minimum content of free and bound monosaccharides was determined to be 10,54%, while in the Lemna trifoliate and Lemna multirooted their content was 14,30% and 15,35%, respectively. This study showed the qualitative and quantitative differences of free and bound monosaccharide and amino acid composition between previously mentioned species.
About the Authors
L. A. Nikiforov
NP “Center for Pharmaceutical Information”
Russian Federation
Russian Federation
Deputy Director,
31, Krasnuy Ave., Novosibirsk, 630099
N. S. Fursa
Yaroslavl State Medical Academy
Russian Federation
Russian Federation
DPhs, Professor, Head of the Department of Pharmacognosy and Pharmaceutical Technology,
5, Revoluzionnaiy Str., Yaroslavl, 150000
S. V. Krivoshchekov
Siberian State Medical University;
National Research Tomsk Polytechnic University
Russian Federation
Russian Federation
Junior Researcher, Central Research Laboratory, 2, Moscow Trakt, Tomsk, 634050;
Engineer, 30, Lenina Ave., Tomsk, 634050
V. A. Kurkin
Samara State Medical University
Russian Federation
Russian Federation
DPhs, Professor, Head of the Department of Pharmacognosy and Botany Basics of Herbal Medicine,
89, Chapaevskaiy Str., Samara, 443099
M. V. Belousov
Siberian State Medical University
Russian Federation
Russian Federation
DPhs, Head of the Department of Pharmaceutical Analysis,
2, Moscow Trakt, Tomsk, 634050
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Review
For citations:
Nikiforov L.A., Fursa N.S., Krivoshchekov S.V., Kurkin V.A., Belousov M.V. Comparative study of compounds of primary exchange duckweed (Lemna minor L.), trisulki duckweed (Lemna trisulca L.) and spirodela (Spirodella polyrrhiza L. Schleid.). Bulletin of Siberian Medicine. 2017;16(1):59-64. (In Russ.) https://doi.org/10.20538/1682-0363-2017-1-59-64
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