Fig. 3From: Preparation, optimization and in vitro–in vivo evaluation of Shunxin sustained release granulesThree-dimensional effect surface map. Y1, Y2 and Y3 represent cumulative release of paeoniflorin at 2 h, 6 h, 12 h (%) (a, b, c); Y4, Y5 and Y6 represent cumulative release of calycosin-7-glucoside at 2 h, 6 h, 12 h (%) (d, e, f); Y7, Y8 and Y9 represent cumulative release of ferulic acid at 2 h, 6 h, 12 h (%) (g, h, i)Back to article page