Abstract
Abstract The aim of this study was to evaluate the quality characteristics and anti-oxidative activities in the rice cookies with R. glutinosa Preparata (0%, 4%, 8%, 12%) and bean flour (10%). The moisture of cookies was increased depending on amount of R. glutinosa Preparata (RRP). The pH of cookies with RRP was lower than that of the control cookies. Sugar content and reducing sugar of cookies were increased according to the amount of RRP. L-value and b-value of cookies with 12% RRP were lower than the control, whereas a-value was higher than the control. Spread factor of cookies with RRP was lower than the control, and hardness of cookies was increased depending on amount of RRP added. The antioxidant activity such as DPPH radical and hydroxyl radical scavenging activity was significantly increased in the cookies with RRP, compared with that of the control. Also, total phenol content of cookies was increased according to the amount of RRP. In sensory test, cookies with 8% RRP received the highest score for overall preference. As a result, the optimum amount of RRP concentrate to be added in the cookies was found to be 8%.Key words: cookies, R. glutinosa Preparata, rice flour, bean flour, anti-oxidative activities
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