“…e HCA was applied to analyze the concentrations of GC, G, GV, V, GH, and H. e result indicated that 54 batches of commercial SRs (the 51st batch of SR was self-contained, not considered) were divided into two categories as shown in Figure 5. On the one hand, Cluster 1 consisted of 45 batch samples (34,55,14,54,1,11,4,15,36,39,10,40,41,42,35,18,47,7,28,43,46,23,27,50,16,29,2,3,5,21,9,12,8,38,19,44,13,37,24,48,26,20,32,33,30), in which their total content of six components was not more than 8 mg•g −1 . On the other hand, the remaining 9 batch samples (6,31,25,22,45,…”