Research Article

Spectrum-Effect Relationship between HPLC Fingerprints and Antioxidant Activity of Yangyin Tongnao Prescription

Table 3

The orthogonal table of sample solutions.

RunTemperature (°C)Extraction time (min)Solvent-to-material ratio (mL/g)Deviation

S11111
S21222
S31333
S42123
S52231
S62312
S73132
S83213
S93321