Preventive Effect of Liupao Tea Polyphenols on HCl/Ethanol-Induced Gastric Injury in Mice

Table 1

Linear range of liquid chromatography in this study.

Standard	Sample quantity (μL)	Regression equation	R^2
Gallic acid	2^2–2^6	y = 6.5691x − 0.8633	0.9983
Catechin	2^2–2^6	y = 2.09x + 0.0484	0.9983
Caffeine	2^2–2^6	y = 2.6679x + 0.0328	0.9989
Epicatechin	2^1–2^5	y = 1.2862x + 9.4873	0.604
Epigallocatechin gallate	2^1–2^5	y = 2.81x + 4.2467	0.9989
Epicatechin gallate	2^1–2^5	y = 2.0218x + 1.0386	0.9983