DEVELOPMENT AND VALIDATION OF EXPRESS PROCEDURE FOR ISOLATION AND QUANTITATIVE DE-TERMINATION OF WATER-SOLUBLE POLYSACCHARIDES FROM HIGH DEVISIL ROOTS
UDC 615.322
Abstract
The aim of the study was to develop and validate an express procedure for the isolation and quantification of water-soluble polysaccharides from high devisyl roots (Ínula helenium L.). In order to accelerate the process of extracting biologically active substances from the roots of high devisil, as well as to increase the yield of water-soluble polysaccharides, it was decided to use an ultrasonic bath. By varying the process parameters, it was possible to select optimal extraction conditions of water-soluble polysaccharides of high-grade roots under ultrasound treatment conditions: raw material grinding 0.5–1.0 mm, temperature – 80 °C, extraction multiplicity – 3, extraction duration – 15 min, ultrasound frequency – 35 kHz, ratio of raw material to extractor 1 g per 15 ml. The proposed technique allows to intensify the process of preparing polysaccharides water-soluble from roots high and to reduce the time spent on it up to 4-5 hours, as well as to increase the yield of the product up to 31.6% in terms of absolutely dry raw materials. The developed method is precise under the conditions of repeatability, correct, stable and has a rather strict linear dependence of the sediment mass on the analysed raw material mass at gravimetric determination of polysaccharides water-soluble in the roots of high devisil. The technique can be used for express analysis of high devasil roots quality, as well as for industrial production of water-soluble polysaccharides from this kind of raw material.
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