Identification of Metabolites and Metabolic Pathways Related to Treatment with Bufei Yishen Formula in a Rat COPD Model Using HPLC Q-TOF/MS

Figure 3

PLS-DA score plots obtained from the three groups at weeks 20 and 32. For week 20: R2X = 0.785, R2Y = 0.53, and Q2 = 0.389; for week 32: R2X = 0.618, R2Y = 0.517, and Q2 = 0.536.

(a)

(b)