Salvianolic Acid Y: A New Protector of PC12 Cells against Hydrogen Peroxide-Induced Injury from Salvia officinalis

Salvianolic Acid Y: A New Protector of PC12 Cells against Hydrogen Peroxide-Induced Injury from Salvia officinalis

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Salvianolic acid Y (TSL 1), a new phenolic acid with the same planar structure as salvianolic acid B, was isolated from Salvia officinalis.The structural elucidation and stereochemistry determination were achieved by spectroscopic and chemical Skinny Tumbler methods, including 1D, 2D-NMR (1H-1H COSY, HMQC and HMBC) and circular dichroism (CD) experiments.The biosynthesis pathway of salvianolic acid B and salvianolic acid Y (TSL 1) was proposed based on structural analysis.The protection of PC12 cells from injury induced by H2O2 was assessed in vitro using a cell viability assay.Salvianolic acid Y (TSL 1) protected cells from Decorative Tray injury by 54.

2%, which was significantly higher than salvianolic acid B (35.2%).