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To utilize sea tangle single cell detritus (SCD) as food additive, SCD noodle was developed using mixture model. Flour improved, whereas water decreased texture of SCD noodles. Texture of SCD noodle decreased initially and then increased as SCD content increased. Flour and SCD increased, whereas water decreased L* and b* values of dried and cooked noodles. Flour decreased a* values of dried and cooked noodles, while SCD increased a* value of cooked noodle. Response constraint coefficient showed SCD influence on texture, and L* and b* values of dried and cooked noodles was higher than those of flour and water, whereas water influence on a* value was higher than those of flour and SCD. Texture and color values fitted nonlinear model with interaction terms for flour-water, flour-SCD, and water-SCD. Optimum mixing ratio value of flour : water : SCD was 63.3 : 31.0 : 3.7%. Sensory evaluation value of SCD noodles was lower than those of industrial and electrolyzed SCD noodles.