Journal
NATURAL PRODUCT RESEARCH
Volume 35, Issue 23, Pages 5493-5497Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2020.1788019
Keywords
Mesembryanthemum cordifolium; Aptenia cordifolia; Mesembryanthemaceae; Metabolomics; antidepressant; in silicoscreening
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Depression, a common mental disturbance, can be alleviated by Mesemberine alkaloids found in plants of the Mesembryanthemaceae family. The alkaloidal fraction of Mesembryanthemum cordifolium roots showed superior antidepressant activity compared to standard drugs, potentially due to the presence of mesembrane.
Depression is a common mental disturbance that can be categorized as mild, moderate or severe. Mesemberine alkaloids, the main recognized phytoconstituents of some plants belonging to family Mesembryanthemaceae, are well-known as serotonin reuptake inhibitors. Therefore, the objective of this study is to evaluate the antidepressant activity of the alkaloidal fraction ofMesembryanthemum cordifoliumL.f. (Aptenia cordifolia) roots, family Mesembryanthemaceae using forced swimming test, assisted by metabolomic analysis andin silicoligand-based and structure-based screening. Results showed that the alkaloidal fraction displayed an antidepressant activity superior to imipramine hydrochloride, a standard antidepressant agent. Nine alkaloids were annotated from the metabolomic analysis. Interestingly, among the dereplicated constituents, mesembrane (5) displayed strong binding affinity to SERT protein, which is slightly higher than the antidepressant drug venlafaxine. In conclusion, the alkaloidal fraction of theM. cordifolium(A.cordifolia) root exhibits an antidepressant activity which can be attributed in part to mesembrane (5).
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