Fig. 2.
Daughter ion mass spectra of the analytes in GBTs and the internal standard (IS)
BB: bilobalide; GA: ginkgolide A; GB: ginkgolide B; GC: ginkgolide C; QCT: quercetin; KMF: kaempferol; ISR: isorhamnetin
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.