Figure 6

Testing the existence of Aristolochia spp. in herbal products with the PCR- LFA method. (A) crude drugs and (B) herbal formulae. + : positive control, − : negative control, C1-C8: crude drug no. 1–8, F0: laboratory-made formulae (YMVT), F1-4: herbal formula no. 1–4, NTC: no-DNA template as a control reaction.