Quality Evaluation of Decoction Pieces of Gardeniae Fructus Based on Qualitative Analysis of the HPLC Fingerprint and Triple-Q-TOF-MS/MS Combined with Quantitative Analysis of 12 Representative Components

Table 3

Results of the investigation of the linear relationship, LOD, and LOQ.

Reference substance	Regression equation	R^2	Linear range/ng	LOD/ng	LOQ/ng
Shanzhiside	Y = 410245X–1479	0.9998	25.78–1030	2.06	7.73
Geniposidic acid	Y = 664663X–107	0.9997	6–240	1.8	5.3
DAAME	Y = 604893X–2756	0.9999	8.806–352.24	1.76	7.04
Gardenoside	Y = 505562X–3934	0.9999	16.848–673.92	1.68	6.74
SME	Y = 615010X–1709	1.0000	7.196–287.84	2.16	7.2
Jasminoside B	Y = 989612X–7323	0.9995	12.1–484	2.42	6.05
Chlorogenic acid	Y = 2746452X–3099	0.9999	3.0768–123.072	0.92	3.69
Genipin gentiobioside	Y = 460657X–29122	0.9999	187.75–7510	3.76	13.14
Geniposide	Y = 746351X–82879	0.9999	380.6–15224	2.44	12.18
Rutin	Y = 1071542X–3095	0.9998	6.57–262.6	1.97	5.91
Crocin I	Y = 4453568X–29472	0.9999	20.25–810	0.61	2.03
Crocin II	Y = 4595808X–23116	0.9999	15–600	0.45	1.5