Figure 1. HPLC detected the concentration of QCT. (A) The HPLC chromatogram of QCT standard. (B) The standard curve of QCT in urine matrix. (C) The standard curve of QCT in plasma matrix. (D) The HPLC chromatogram of QCT in Urine-1 group. (E) The HPLC chromatogram of QCT in Urine-2 group. (F) The HPLC chromatogram of QCT in Urine-3 group. (G) The HPLC chromatogram of QCT in Urine 24 h-1 group. (H) The HPLC chromatogram of QCT in Urine 24 h-2 group. (I) The HPLC chromatogram of QCT in 24 h-3 group. (J) The HPLC chromatogram of QCT in plasma-1 group. (K) The HPLC chromatogram of QCT in plasma-2 group. (L) The HPLC chromatogram of QCT in plasma-3 group. (M) QCT concentration statistics of each group. *P < 0.05, **P < 0.01. Abbreviation: ns: no significant difference.