Table 1.

Transitions monitored for the quantitation of Ginkgo biloba extract constituents and corresponding retention times

	Analyte	Abbreviation	Retention Time (min)	Transition (m/z)
Group 1a	Ginkgolide A	GLA	4.27	407 → 229
	Ginkgolide C	GLC	3.66	439 → 383
	Bilobalide	BLL	3.69	325 → 163
	Quercetin	QCT	4.73	301 → 151
	Limonene	LIM	5.20	469 → 229
	Hesperetin	HES	4.74	301 → 164
Group 2	Ginkgolide B	GLB	4.45	423 → 367
	Ginkgolide J	GLJ	3.63	423 → 349
	Kaempferol	KMF	4.69	285 → 93
	Isorhamnetin	ISR	4.75	315 → 300
	Limonene	LIM	5.20	469 → 229
	Hesperetin	HES	4.74	301 → 164

^aEach sample was injected twice and ions monitored in each injection are given as groups 1 or 2.