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Abstract Title:

Neolignans from Red Raspberry ( Rubus idaeus L.) Exhibit Enantioselective Neuroprotective Effects against HO-Induced Oxidative Injury in SH-SY5Y Cells.

Abstract Source:

J Agric Food Chem. 2018 Oct 31 ;66(43):11390-11397. Epub 2018 Oct 22. PMID: 30346163

Abstract Author(s):

Le Zhou, Guo-Dong Yao, Li-Wei Lu, Xiao-Yu Song, Bin Lin, Xiao-Bo Wang, Xiao-Xiao Huang, Shao-Jiang Song

Article Affiliation:

Le Zhou

Abstract:

Red raspberry has been well-known for its nutritional purpose. Although this fruit has been reported for its potent antioxidant activity and health-promoting properties, systematic studies responsible for the bioactive constituents were still insufficient. In the current study, three pairs of dihydrobenzofuran-type enantiomeric neolignans (1a/1b-3a/3b), including two new compounds (1b and 2a), were isolated from the fruit of Rubus idaeus. The structures of these enantiomers were determined through spectroscopic methods and quantum mechanical calculations. Biologically, enantiomers 2a and 2b exhibited significant enantioselective protective effects against HO-induced neurotoxicity at 50μM (2a, 86.72 ± 1.17%; 2b, 69.70 ± 1.59%). The underlying mechanism study demonstrated that enantiomer 2a is able to attenuate HO-induced apoptosis, reactive oxygen species (ROS) generation, and mitochondrial dysfunction in SH-SY5Y cells. Overall, these findings provide a valuable foundation for the understanding of neuroprotective activities of red raspberry and further investigation on its potential application values.

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