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Dry noodles were prepared with wheat flour and immature Rubes coreanus (Bogbunja) powder, and the effects of added immature bogbunja powders on dough Theology and noodle quality were examined. Particle size distribution of immature bogbunja powder ranged from 0.04 to 500 ㎛, which was different from that of wheat flour. The initial pasting temperature, peak and final viscosities as well as setback increased in amylograph with the increase of immature bogbunja powder. The water absorption and dough development time increased, but the dough stability decreased in farinograph with the increase of immature bogbunja powder. Decrease of L and b values and increase of a value were shown with the increase of immature bogbunja powder in wheat flour-immature bogbunja powder composite as well as dry noodles. The cooked weight and volume of noodles decreased, but the cooking loss increased with the addition of immature bogbunja powder. Most of texture parameters (hardness, cohesiveness, chewiness, gumminess and tension) of cooked noodles decreased with the addition of immature bogbunja powder. From the result of sensory evaluation, dry noodles containing 1 and 2% immature bogbunja powder were rated as higher quality dry noodles than the others.
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