Construction and Screening of Fractional Library of Salviae Miltiorrhizae Radix et Rhizoma for the Rapid Identification of Active Compounds against Prostate Cancer

Table 1

Characterization of tanshinones in Danshen by HPLC and mass spectrometry.

Compounds	RT	[M+H]^+	UV max	Identification
1	39.3	297.1392	264	Danshenxinkun A
2	42.2	299.1479	225	Arucadiol
3	45.2	295.1224	262	3α-Hydroxymethylenetanshinone
4	46.3	279.0953	244	15,16-Dihydrotanshinone I
5	46.5	339.1246	225,268	Methyl tanshinonate
6	47.1	281.1169	245	Trijuganone B
7	48.0	297.1392	264	Cryptanshinone
8	51.9	277.0805	272	Tanshinone I
9	54.8	279.1020	290	1,2-Dihydrotanshinquinone I
10	59.2	295.1524	268	Tanshinone IIA

Note: the data were in consistent with published data (Journal of Organic Chemistry 1990, 55(11), 3537–43 and Rapid Communications in Mass Spectrometry (2006), 20(8), 1266–1280).