Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup

Table 2

Standard curves of fifteen kinds of reference components.

Compounds	Regression equations	Linear ranges (μg·mL^−1)	R^2
Mangiferin	y = 29.897x + 30.359	2.80–88.70	0.9998
Geniposide	y = 11.306x − 40.123	14.80–472.90	0.9997
Liquiritin	y = 6.9865x − 5.2633	3.20–101.00	1.0000
Epiberberine	y = 23.477x − 12.998	1.40–44.30	0.9998
Coptisine	y = 11.677x − 31.945	6.40–204.10	0.9998
Baicalin	y = 17.312x − 189.17	19.80–632.50	0.9999
Palmatine	y = 39.570x − 21.105	1.80–56.80	0.9999
Berberine	y = 38.357x + 108.6	15.30–488.40	0.9999
Harpagosid	y = 9.5715x + 8.4144	2.60–82.60	0.9998
Wogonoside	y = 16.462x + 11.105	4.60–145.82	0.9999
Cinnamic acid	y = 32.7x + 0.4639	0.30–9.51	0.9998
Cinnamic aldehyde	y = 15.523x − 0.1567	0.20–6.34	0.9998
Baicalein	y = 25.996x + 3.789	0.50–15.85	0.9998
Glycyrrhizic acid	y = 7.5138x + 1.333	1.10–34.00	0.9999
Wogonin	y = 21.652x + 0.8509	0.30–9.51	1.0000