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Abstract Title:

Chamomile tea: Source of a glucuronoxylan with antinociceptive, sedative and anxiolytic-like effects.

Abstract Source:

Int J Biol Macromol. 2020 Aug 11. Epub 2020 Aug 11. PMID: 32795578

Abstract Author(s):

Pedro Felipe Pereira Chaves, Palloma de Almeida S Hocayen, Jorge Luiz Dallazen, Maria Fernanda de Paula Werner, Marcello Iacomini, Roberto Andreatini, Lucimara M C Cordeiro

Article Affiliation:

Pedro Felipe Pereira Chaves

Abstract:

Chamomile is one of the most ancient medicinal herbs known to mankind and among its traditional uses are the calming effects. However, few studies explored its effects on the central nervous system (CNS). In this study we further proceed with structural elucidation of polysaccharides from chamomile tea. A highly substituted 4-O-methyl-glucuronoxylan (fraction SN-50R) was purified and chemically characterized, presenting Xyl:GlcA ratio of 1.7:1, Mof 500 kDa and total sugar content of 98%. Its bioactivity on pain and on CNS was explored. Animals treated with SN-50R presented antinociceptive effect and a dose-dependent decrease in the number of crossings in the activity chamber and in the open field test, as well as a significant reduction in thenumber of marbles buried when compared to control. These results suggest that SN-50R presented sedative and anxiolytic-like effects and may be contributing for the calming effects obtained by chamomile tea ingestion.

Study Type : Animal Study

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