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This research tried to contribute to the diversification and the high quality of tofu products by adding the natural colors from tomatoes and strawberries, thus providing more attractive colors, greater antioxidative activity, and higher palatability The quality characteristics of tofu with 4%, 8%, and 12% strawberry juice and 5%, 10%, and 15% of tomato juice were analyzed. Tofu with tomato juice was fo und to be higher in transference number, and pH showed a significant decrease as the rate of the addition increased, The antioxidan t activity of tofu with strawberry juice is 37.76~52.12%, and tofu with tomato juice is 41.79~51.51%, with tofu with tomato juice is being higher than tofu with strawberry juice in antioxidant status DPPH radical scavenging ability. In chromaticity, the L-value and b-value showed significant decreases as tomato juice was added and when strawberry juice are was added and the values increased. In texture, the hardness of tofu with tomato juice was found to be significantly more solid than tofu with strawberry juice. For the test of springiness, the order was as follows: control group> tomato juice 5%> tomato juice 10%. The result of the organoleptic test of tofu showed, tofu with tomato juice to be significantly brighter in exterior color than tofu with strawberry juice (p<0.001), in for savory flavor, the result shows that tofu with 12% strawberry juice added and that with 10% tomato juice added had better flavor. For the test of beany f lavor, the control group is higher than tofu with strawberry juice and tomato juice, and tofu with 10% of tomato juice added was lowest in beany flavor. In the preference investigation, tofu with 10% tomato jui ce showed the highest preference aft er swallowing and in overall status.Key words: tomato, strawberry, tofu, quality characteristics

Quality Characteristics of Tofu Prepared with Tomatoes and Strawberries