Antioxidant and cytoprotective activities of Piper betle, Areca...

... +/- 15.9%) activities. However, all of the five samples showed good lipid peroxidation inhibition compared to vitamin E. LC-MS/MS analysis revealed the presence of quinic acid as the major compound of gambir and betel quid. A positive correlation ...

http://www.biomedcentral.com/1472-6882/13/351/abstract