Fig. 3

Statistical comparison of dosage amounts of HPMs obtained from different DC specifications by different extraction methods. (1) FS W-8 h(L); (2) FS W-6 h(L); (3) FS W-8 h(M); (4) FS W-6 h(M); (5) FS W-8 h(H); (6) FS W-6 h(H); (7) FS E-336 h(L); (8) DS E-168 h(L); (9) DS E-504(L); (10) FS E-336 h(M); (11) DS E-168 h(M); (12) DS E-336 h(L); (13) FS E-336 h(H); (14) DS E-504 h(M); (15) DS E-168 h(H); (16) FD W-6 h(L); (17) DS E-336 h(M); (18) FD W-4 h(L); (19) DS E-504 h(H); (20) DS W-4 h(L); (21) DS E-336 h(H); (22) DS W-8 h(L); (23) FD W-6 h(M); (24) DS W-6 h(L); (25) FD W-4 h(M); (26) DS W-4 h(M); (27) FD W-6 h(H); (28) DS W-8 h(M); (29) FD W-4 h(H); (30) FD E-168 h(L); (31) DS W-6 h(M); (32) FD W-8 h(L); (33) DS W-4 h(H); (34) FD E-336 h(L); (35) DS W-8 h(H); (36) DS W-6 h(H); (37) FD E-168 h(M); (38) FD W-8 h(M); (39) FD E-336 h(M); (40) FD E-168 h(H); (41) FD W-8 h(H); (42) FD E-504(L); (43) FD E-336(H); (44) DS B-4 h(L); (45) FD E-504(M); (46) DS B-4 h(M); (47) FD E-504(H); (48) DS B-4 h(H); (49) FS B-4 h(L); (50) FD B-4 h(L); (51) FS B-4 hM); (52) FD B-4 h(M); (53) FS B-4 h(H); (54) FD B-4h(H); (55) P W-6 h(L); (56) P W-8 h(L); (57) P W-4 h(L); (58) P B-4 h(L); (59) P W-6 h(M); (60) P W-8 h(M); (61) P W-4 h(M); (62) P B-4 h(M); (63) P W-6 h(H); (64) P W-8 h(H); (65) P W-4 h(H); (66) P B-4 h(H). FS fresh stem, DS dried stem, FD fengdou, P powder, B boiling, W infusion with hot distilled water, E brewing with 45% ethanol, L low dose, M medium dose, H high dose (*p < 0.05; **p < 0.01; ***p < 0.001 compared with previous one)