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Natural Product Research
Formerly Natural Product Letters
Volume 35, 2021 - Issue 24
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Short Communications

Neuroprotective effects of Sophora secundiflora, Sophora tomentosa leaves and formononetin on scopolamine-induced dementia

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Pages 5848-5852 | Received 22 Apr 2020, Accepted 30 Jun 2020, Published online: 22 Jul 2020
 

Abstract

Five flavonoids were isolated from the ethyl acetate fraction of leaves of Sophora secundiflora; formononetin (1), 5-hydroxy-4’-methoxyflavone (2), genistein (3), 5-hydroxy-8-(1-hydroxy-1-methyl-ethyl)-2-(4-hydroxyphenyl)-4H-furo-[2, 3-h]-chromen-4-one (4) and ononin (5). Additionally, LC-ESI-MS/MS analysis of the ethyl acetate fraction of S. secundiflora leaves had led to tentative identification of eighteen compounds. Formononetin, S. tomentosa and S. secundiflora leaves methanolic extract were evaluated in vivo for their neuroprotective activity where formononetin and S. tomentosa showed promising neuroprotective activity with reduction in acetylcholine esterase (AchE) enzyme activity and elevation of acetylcholine (Ach) and glutathione(GSH) brain levels and attenuation of dopamine (DA), nor-adrenaline (NA) and malonedialdehyde (MDA) brain level significantly, However S. secundiflora leaves methanolic extract didn’t attenuate the AchE enzyme activity, DA and NA brain levels.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

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