Fingerprint profile of Ginkgo biloba nutritional supplements by LC/ESI-MS/MS

The effectiveness of fingerprint in quality control of plant extract is a very important issue. In this paper we describe a fingerprint profile method using a capillary HPLC/MS method which can identify more than 70 components from the Ginkgo biloba product. The fingerprint profiles of five commercial G. biloba nutritional supplements were obtained and compared.