Electrochemical Evaluation of -Resveratrol Levels in Red Wine Based on the Interaction between Resveratrol and Graphene.

-Resveratrol is often considered as one of the quality standards of red wine, and the development of a sensitive and reliable method for monitoring the -resveratrol levels in red wine is an urgent requirement for the quality control. Here, a novel voltammetric approach was described for probing -resveratrol using a graphene-modified glassy carbon (GC) electrode. The proposed electrode was prepared by one-step electrodeposition of reduced graphene oxide (ERGO) at a GC electrode. Compared with the bare GC electrode, the introduced graphene film on the electrode surface dramatically improved the sensitivity of the sensor response due to the - interaction between the graphene and -resveratrol. The developed sensor exhibited low detection limit of 0.2 M with wide linear range of 0.8-32 M and high stability. For the analysis of -resveratrol in red wine, the high anti-interference ability and the good recoveries indicated the great potential for practical applications.