After the drug assay experiments, the actual contents of rice rean extract within the fiber mat specimens, as determined rice bran extract, the riceberry rice extract, and Leum Pua Glutinous rice extract, were 0.596±0.28, 0.922±0.13, and 4.50±1.11 wt.-% (based on the weight of the fiber mat specimens), respectively. The deviation from the ideal value should be due to the inhomogeneous distribution of rice bran extract in different parts of the obtained electrospun fiber mats. (Figure 6)