Journal
NATURAL PRODUCT RESEARCH
Volume 35, Issue 16, Pages 2668-2676Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2019.1662005
Keywords
Paeoniflorin; benzoates; passive avoidance task; rats
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Funding
- Russian Foundation for Basic Research [15-0303101_ a]
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Chemical modification of paeoniflorin was found to affect the cognitive functions of aged rats. Introduction of C4 = O function into the benzoate part improved the learning process and preserved memory trace in aged rats, showing promise for further studies on disorders characteristic of Alzheimer's disease.
Paeoniflorin per-O-benzoates with the preserved pinane structure 2 and rearranged aglycone 3, containing C4 = O function, were obtained and their influence on learning and memory of aged rats was studied in the passive avoidance task. It was found that the chemical modification of paeoniflorin affected the cognitive functions of aged rats. The introduction of C4 = O function into the pinane part of benzoate 3 led to the improvement in learning process and preservation of the memory trace in aged rats as compared to the natural glycoside. This compound can be considered as the promising for further studies on in vivo models of disorders characteristic for Alzheimer's disease.
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