The purpose of this study was to investigate the effects of the addition of various amounts (0, 1, 3, 5%) of Mokdanpi (P. suffruticosa) powder on the shelf life and the physicochemical, sensory characteristics of rice cakes and noodles to examine the possibility of using Mokdanpi as a natural food preservative for food products. The decrease in the moisture content of rice cake and noodle samples during storage was much less in Mokdanpi-added groups than the control group. The color L value increased and a and b values decreased in the rice cake samples, and color L value, b value decreased and a value increased in the noodle samples during storage. The microbial growth was less in Mokdanpi-added groups than the control group. In sensory evaluation, there were no significant differences among the control and 1, 3%-added groups in terms of color, flavor, taste, moistness, cohesiveness and overall quality; however, 5%-added groups reccived significantly less score than others(p<0.05). As the storage time increased, the sensory scores decreased significantly in the control and 1%-added groups of both rice cakes and noodles (p0.05), but no changes were observed in 3, 5%-added samples. the results suggested that Mokdanpi is effective in increasing the shelf life and inhibiting the staling of rice cakes and noodles.