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Abstract Title:

Sea Buckthorn (L.) Leaf Extracts Protect Neuronal PC-12 Cells from Oxidative Stress.

Abstract Source:

J Microbiol Biotechnol. 2017 Jul 28 ;27(7):1257-1265. PMID: 28535611

Abstract Author(s):

Chi Heung Cho, Holim Jang, Migi Lee, Hee Kang, Ho Jjn Heo, Dae-Ok Kim

Article Affiliation:

Chi Heung Cho

Abstract:

The present study was carried out to investigate the antioxidative and neuroprotective effects of sea buckthorn (L.) leaves (SBL) harvested at different times. Reversed-phase high-performance liquid chromatography analysis revealed five major phenolic compounds: ellagic acid, gallic acid, isorhamnetin, kaempferol, and quercetin. SBL harvested in August had the highest total phenolic and flavonoid contents and antioxidant capacity. Treatment of neuronal PC-12 cells with the ethyl acetate fraction of SBL harvested in August increased their viability and membrane integrity and reduced intracellular oxidative stress in a dose-dependent manner. The relative populations of both early and late apoptotic PC-12 cells were decreased by treatment with the SBL ethyl acetate fraction, based on flow cytometry analysis using annexin V-FITC/PI staining. These findings suggest that SBL can serve as a good source of antioxidants and medicinal agents that attenuate oxidative stress.

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Sayer Ji
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