Research Article

Evaluation of Two Parts of Lithocarpus polystachyus Rehd. from Different Chinese Areas by Multicomponent Content Determination and Pattern Recognition

Figure 6

OPLS-DA analysis of the contents of six chemicals of LP samples. (a) OPLS-DA score plot shows distribution of samples into two clusters, series ((1) tender leaf; (2) flower spike). (b) Variable importance for the projection (VIP). (c) An S-plot highlights variables.
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