Table 3.

Detection wavelength, linear regression data, regression data, and content of 7 constituents in WLS.

Components	Λ (nm)	Content (mg/mg)	Regression equation	r
Ferulic acid	254	0.409 ± 0.010	y = 8E + 06x + 11381	0.991
Cinnamic acid	254	1.296 ± 0.016	y = 2E + 07x − 2239	1.000
Cinnamaldehyde	254	2.529 ± 0.019	y = 3E + 07x − 5075.7	1.000
Atractylenolide III	220	0.745 ± 0.006	y = 4E + 06x + 28.851	1.000
Alisol C-23-acetate	254	0.423 ± 0.005	y = 3E + 07x + 461.43	1.000
Atractylenolide II	220	0.110 ± 0.002	y = 4E + 07x + 9765.7	0.995
Atractylenolide I	254	0.120 ± 0.001	y = 4E + 07x − 10.045	1.000