Qualitative and Quantitative Analysis of the Major Constituents in Chinese Medical Preparation Lianhua-Qingwen Capsule by UPLC-DAD-QTOF-MS

Table 4

Contents of the 12 compounds in 10 batches.

Sample

Compound (mean ± SD) (g/g)

Total

RSD (%)

Salidroside

Chlorogenic acid

Forsythoside E

Cryptochlorogenic acid

Amygdalin

Sweroside

Hyperin

Rutin

Forsythoside A

Phillyrin

Rhein

Glycyrrhizic acid

Lot.1

10.03

Lot.2

Lot.3

Lot.4

Lot.5

Lot.6

Lot.7

Lot.8

Lot.9

Lot.10