Dissolution profiles of tanshinone IIA and cryptotanshinone from solid dispersions (1:4, 1:6, 1:8 w/w) and physical mixtures (mix 1:6 w/w) of tanshinone IIA and cryptotanshinone. (A) Tanshinone IIA-PEG 6000 solid dispersions and mixture, (B) tanshinone IIA-poloxamer 188 solid dispersions and mixture, (C) tanshinone IIA-PVP K30 solid dispersions and mixture, (D) cryptotanshinone-PEG 6000 solid dispersions and mixture, (E) cryptotanshinone-poloxamer 188 solid dispersions and mixture, (F) cryptotanshinone-PVP K30 solid dispersions and mixture, (G) tanshinone IIA from total tanshinones-PEG 6000 solid dispersions and mixture, (H) tanshinone IIA from total tanshinones-poloxamer 188 solid dispersions and mixture, (I) tanshinone IIA from total tanshinones-PVP K30 solid dispersions and mixture, (J) cryptotanshinone from total tanshinones-PEG 6000 solid dispersions and mixture, (K) cryptotanshinone from total tanshinones-poloxamer 188 solid dispersions and mixture, (L) cryptotanshinone from total tanshinones-PVP K30 solid dispersions and mixture.