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Sagan Dalya Tea, a New "Old" Probable Adaptogenic Drug: Metabolic Characterization and Bioactivity Potentials of Rhododendron adamsii Leaves

Adams' rhododendron ( Rehder) or Sagan Dalya tea is a famous Siberian evergreen medical plant of the Ericaceae family used in traditional medicines of Buryats, Yakuts, and Mongols as a tonic, stimulant, and adaptogenic drug. The high popularity of coupled with poor scientific knowledge prompted...

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Bibliographic Details
Published in:Antioxidants 2021-05, Vol.10 (6), p.863
Main Authors: Olennikov, Daniil N, Nikolaev, Vyacheslav M, Chirikova, Nadezhda K
Format: Article
Language:English
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Summary:Adams' rhododendron ( Rehder) or Sagan Dalya tea is a famous Siberian evergreen medical plant of the Ericaceae family used in traditional medicines of Buryats, Yakuts, and Mongols as a tonic, stimulant, and adaptogenic drug. The high popularity of coupled with poor scientific knowledge prompted the addressing of gaps related to metabolic and biomedical data of Sagan Dalya tea. The application of solid-phase extraction and liquid chromatography-mass spectrometric techniques for the metabolomic study of leaf extracts resulted in the identification of more than 170 compounds, including carbohydrates, organic acids, simple phenol glycosides, triterpene glycosides, flavonoids, prenylated phenols, benzoic acid derivatives, hydroxycinnamates, dihydrochalcones, catechins, and procyanidins, most of which were identified for the first time in the plant. Extended surveys of the seasonal content of all detected compounds prove that specific metabolite variations reflect the bioactivity of extracts. Regarding in vitro methods, the expressed antioxidant potential of extracts was investigated via radical-scavenging, nitric oxide scavenging, and ferrous (II) ion chelating assays. The animal-based swimming to exhaustion test demonstrates the stimulating influence of extract on physical performance and endurance, concluding that the drug could act as an adaptogen. Thus, Sagan Dalya tea ( ) has confirmed its "old" application as a tonic remedy and requires further precise study as a novel adaptogenic plant.
ISSN:2076-3921
2076-3921
DOI:10.3390/antiox10060863