Quality Evaluation of Bioactive Ingredients in Lianhua Qingwen Capsule Based on Quantitative Analysis of Multicomponent by the Single Marker Method and the Chemical Recognition Patterns Method

Figure 7

Technical analysis in 20 batches of Lianhua Qingwen capsule (LHQW): (a) score plot of principal component analysis (PCA), (b) score scatter plot of orthogonal partial least-squares discrimination analysis (OPLS-DA), (c) variable importance plot (VIP) of OPLS-DA, and (d) loading scatter plot of OPLS-DA.

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