Table 2. Salvinorin A detected in commercial products using HPLC analysis. Declared Strength of S. divinorum product,Declared [mg/g] of Salvinorin A on label,[mg/g] Salvinorin A measured by HPLC 5Xa,---,14.32 ± 0.90 10Xa,---,25.12 ± 1.72 15Xa,---,33.18 ± 3.11 20Xa,---,29.50 ± 1.62 40Xa,---,56.52± 3.77 5Xb,---,12.03 ± 0.78 5Xc,16,8.32 ± 0.65 10Xc,28,17.00 ± 0.80 20Xc,40,21.37 ± 1.56 40Xc,80,28.91 ± 1.32 70Xc,120,36.32 ± 1.65 100Xc,160,54.80 ± 2.72