Table 4. Platycoside Contents in Different Organs, Including the Hairy Root of P. grandiflorum^a.

mg/g DW	Root	Stem	leaf	flower	hairy root
DPE	0.79 ± 0.08	nd	nd	nd	nd
PE	0.61 ± 0.01	nd	nd	nd	nd
PA	0.10 ± 0.01 d	0.02 ± 0.00 e	0.17 ± 0.01 a	0.16 ± 0.01 b	0.09 ± 0.00 c
PD	0.11 ± 0.00 b	0.04 ± 0.00 e	0.13 ± 0.00 a	0.08 ± 0.00 c	0.06 ± 0.00 d
PGD2	2.64 ± 0.17 a	1.29 ± 0.05 d	2.15 ± 0.20 b	2.02 ± 0.31 c	0.36 ± 0.02 e
PGD	0.51 ± 0.02 c	0.48 ± 0.01 d	1.06 ± 0.03 b	1.23 ± 0.02 a	0.10 ± 0.00 e
Total	4.76 ± 0.30 a	1.83 ± 0.06 c	3.50 ± 0.25 b	3.48 ± 0.34 b	0.61 ± 0.02 d

^aResults are expressed as the mean ± standard error of the mean (n = 3). Letters a–e represent significant differences (p < 0.05). nd, not detected. DPE: deapio-platycoside E, PE: platycoside E, PA: platyconic acid, PD: platycodin D, PGD2: polygalacin D2, PGD: polygalacin D.