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ХИМИЧЕСКАЯ ХАРАКТЕРИСТИКА ПОЛИСАХАРИДНОГО КОМПЛЕКСА SAUSSUREA SALICIFOLIA L. И ЕГО NO-СТИМУЛИРУЮЩИЕ СВОЙСТВА

ХИМИЧЕСКАЯ ХАРАКТЕРИСТИКА ПОЛИСАХАРИДНОГО КОМПЛЕКСА SAUSSUREA SALICIFOLIA L. И ЕГО NO-СТИМУЛИРУЮЩИЕ СВОЙСТВА

Abstract

Выделен и изучен полисахаридный комплекс (ПСК) из надземной части Saussurea salicifolia L. (SS). ПСК SS содержит 54.99±0.53% гексоз, 12.99±0.26% уроновых кислот, 5.24±0.04% белка, нейтральные моносахариды представлены глюкозой, галактозой, ксилозой и рамнозой (мольные соотношения: 1.67:1.00:1.20:1.42). С помощью ионообменной хроматографии выделено пять основных компонентов. Структура полученных полисахаридов (ПС) 1-5 охарактеризована с помощью физико-химических методов, таких как ИК-спектроскопия, высокоэффективная эксклюзионная и газожидкостная хроматография, реакции с конго красным. Установлено, что все ПС характеризуются различным содержанием гексоз (от 32.46±2.63 до 83.64±5.93%), уроновых кислот (от 2.56±0.17 до 21.02±2.48%) и незначительной примесью белка (от 0.75±0.13 до 2.28±0.17%). Полученные полисахариды представляют собой высокогомогенные образцы, различные по мономерному составу. Мажорный компонент ПС SS-1 представлен галактозой, ПС SS-2, 3, 4 – рамнозой, а ПС SS-5 – глюкозой и ксилозой. Структура тройной спирали установлена для ПСК SS и ПС SS-5. Все выделенные ПС стимулировали NO-синтазу перитонеальных макрофагов на уровне действия липополисахарида (ЛПС), причем образцы 3, 4 и 5 проявляли эндотоксин-независимую активность.

A polysaccharide complex (PSC) from the aboveground part of Saussurea salicifolia L. (SS) was isolated and studied. SS PSC contains 54.99±0.53% hexose, 12.99±0.26% uronic acids, 5.24±0.04% protein, neutral monosaccharides are represented by glucose, galactose, xylose and rhamnose (molar ratios: 1,67 : 1,00 : 1,20 : 1,42). Five main components were isolated using ion exchange chromatography. The structure of the obtained polysaccharides (PS) 1-5 was characterized using physicochemical methods, such as IR spectroscopy, high-efficiency exclusive and gas-liquid chromatography, reactions with congo red. All PS are characterized by a different content of hexoses (from 32.46±2.63 to 83.64± 5.93%), uronic acids (from 2.56± 0.17 to 20.07± 3.70%) and a slight admixture of protein (from 0.75±0.13 to 2.28± 0.17%). The polysaccharides obtained are highly homogeneous samples, different in monomeric composition. The major component of SS-1 PS is represented by galactose, SS-2, 3, 4 PS – rhamnose, and SS-5 PS – glucose and xylose. The triple helix structure is installed for SS PSC and PS SS-5. All isolated PS stimulated NO synthase of peritoneal macrophages at control level 2 (LPS), and samples 3, 4 and 5 showed endotoxin-independent activity.

Keywords

полисахариды, endotoxin, ионообменная хроматография, мономерный состав, polysaccharides, monomeric composition, ion exchange chromatography, molecular weight distribution, эндотоксин, ИК, Saussurea salicifolia L., NO, соссюрея иволистная (Saussurea salicifolia L.), IR, конго красный, молекулярно-массовое распределение, congo red

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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gold