Table 5. Pearson product–moment correlation coefficients of tissues with different chemical compound contents.

Factor	Total flavonoid content	Total triterpenoid content	Total polyphenol content	Saikosaponin D	Catechin	Paeoniflorin	Hesperidin	Kaempferol	Isorhamnetin	Keampferol-3-O- rutinoside	Ursolic acid	Oleanolic acid
Tissues	−0.82**	−0.76**	−0.74**	0.42	−0.71**	−0.88**	−0.76**	−0.78**	−0.37	−0.76**	0.44	0.62**

Notes.

^**T-test for all variables, P < 0.01.