928159.fig.002a
(a)
928159.fig.002b
(b)
Figure 2: Lineweaver-Burk plots showing the reciprocal of the velocity (1/v) of recombinant human aldose reductase versus the reciprocal of the substrate concentration (1/s) with DL-glyceraldehyde as the substrate concentration of 0.1 to 1 mM; rosmarinic acid (4), caffeic acid ethylene ester (5).