Fig. 4From: A novel multidimensional strategy to evaluate Belamcanda chinensis (L) DC and Iris tectorum Maxim based on plant metabolomics, digital reference standard analyzer and biological activities evaluationS-plots of OPLS-DA in positive ion (A) and negative ion (B) for LC-HR/MS metabolomics. (C-H) The remarkable variable of chemical constitutesBack to article page