Figure 4

(A) The PLS-DA model of Ophiopogonis Radix using the UHPLC-HRMS data; (B) The PLS-DA model was considered as valid significantly since the corresponding Q2-intercept value is negative; (C) S-plot based on the UHPLC-HRMS data.
(A) The PLS-DA model of Ophiopogonis Radix using the UHPLC-HRMS data; (B) The PLS-DA model was considered as valid significantly since the corresponding Q2-intercept value is negative; (C) S-plot based on the UHPLC-HRMS data.