THE DETERMINATION OF THE AMOUNT OF REDUCING SUGARS IN MEDICINAL PLANT RAW MATERIALS OF THE GENERA CLADINA AND СLADONIA

DOI: https://doi.org/10.29296/25877313-2018-10-23
Issue: 
10
Year: 
2018

S.I. Yamshchikova Post-graduate Student, Peoples’ Friendship University of Russia (Moscow); Assistant, Northern-Eastern Federal University (Yakutsk) E-mail: ssontoeva@gmail.com A.V. Nikulin Ph.D. (Chem.), Peoples’ Friendship University of Russia (Moscow) O.G. Potanina Dr.Sc. (Pharm.), Professor, Director of Centre of Scientific Researchers and Designers, Peoples’ Friendship University of Russia (Moscow)

Lichens of the genus Cladina and Cladonia are a promising medicinal plant raw materials, widely used in traditional medicine of the Russian North peoples. The article is devoted to the standardization of this medicinal plant raw material. The technic of determination of the reducing carbohydrate's total with the phenolic reagent (after acid hydrolysis) using UV spectrophotometry in aqueous extracts from the thalli of the lichen genus Cladonia and Cladina is proposed in this paper. The basic metrological characteristics are estimated. The proposed method of determination of the reducing carbohydrate's total in the thalli of Cladonia genus Cladina can be recommended for inclu-sion in the normative documents for this type of the medicinal plant raw material.

Keywords: 
standardization
spectrophotometry
lichens of the genera Cladina and Cladonia
polysaccharides
free sugars

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