Figures & data
Figure 1. HPLC conditions of the extract of Sonchus Brachyotus DC. Kromasil C18 column (250 × 4.6 mm i.d.; 5 μm). (A) Mobile phase; (B) organic acid; (C) 3D wavelength scan chromatogram of the extract of Sonchus Brachyotus DC.; (D) flow rate; and (E) column temperature.
![Figure 1. HPLC conditions of the extract of Sonchus Brachyotus DC. Kromasil C18 column (250 × 4.6 mm i.d.; 5 μm). (A) Mobile phase; (B) organic acid; (C) 3D wavelength scan chromatogram of the extract of Sonchus Brachyotus DC.; (D) flow rate; and (E) column temperature.](/cms/asset/f1e9a61d-3131-4953-8fef-910c826b22c7/ljfp_a_1489840_f0001_oc.jpg)
Figure 2. A representative fingerprint extract of Sonchus Brachyotus DC. Peaks 1–29 were used as common characteristic peaks.
![Figure 2. A representative fingerprint extract of Sonchus Brachyotus DC. Peaks 1–29 were used as common characteristic peaks.](/cms/asset/2ca706cf-d0ca-452f-a7b2-1d94665d0d79/ljfp_a_1489840_f0002_oc.jpg)
Table 1. Precision, repeatability, and stability data of the proposed method.
Figure 3. The overlay HPLC fingerprints of 10 batches samples of Sonchus Brachyotus DC. (1–10) by a similarity evaluation system that analyses sample similarity against a generated reference chromatogram (R).
![Figure 3. The overlay HPLC fingerprints of 10 batches samples of Sonchus Brachyotus DC. (1–10) by a similarity evaluation system that analyses sample similarity against a generated reference chromatogram (R).](/cms/asset/f3937a8c-498b-4396-9cf0-e4037d2b722d/ljfp_a_1489840_f0003_oc.jpg)
Table 2. The similarities (correlation coefficients) and the TAC of 10 batches.