Table 1.

NMR data of baicalin

13C-NMR(DMSO-d6, 125 MHz)			1 H-NMR(DMSO-d6, 500 MHz)
C	δ	C	δ	H	δ
C-2	163.5	C-2′, 6′	126.4	5-OH	12.545, s
C-3	104.2	C-3′, 5′	129.2	6-OH	8.664, s
C-4	182.5	C-4′	130.6	H-2′, 6′	8.070, d
C-5	149.2	C-1′′	99.9	H-3′, 4′, 5′	7.571-7.534, m
C-6	132.0	C-2′′	72.8	H-8	7.004, s
C-7	151.2	C-3′′	75.2	H-3	7.000, s
C-8	93.7	C-4′′	71.3	2′′, 3′′, 4′′-OH	5.289-5.499, m
C-9	146.8	C-5′′	75.5	H-1′′	5.240, d
C-10	106.1	C-6′′	170.0	H-5′′	4.060, d
C-1′	130.8			H-2′′, 3′′, 4′′	3.330-3.450, m