The effect of bran particle size and addition level on quality evaluation of cooked DWCN is indicated in Table 4. The total score of DWCN showed a downward trend with increasing addition and particle size. For the 5% bran level, the total score of cooked DWCN was more than 83 when the wheat bran particle size was 0.21 mm and 0.53 mm. For 5% and 10% bran level, there was no significantly different effect of 0.21 mm bran addition on flour, although it was slightly lower by 2.2 and 5.8 than that of CRTL. For 0.21 mm bran addition, the 15% and 20% addition levels deteriorated color, palate, and smoothness significantly, while for 0.53 mm and 1.72 mm bran, more than 5% addition level significantly decreased the color, appearance, palate, smoothness, and taste. Coarse bran mainly affected the appearance, palate, smoothness and taste. The results indicate that the DWCN containing a 5% addition level of fine and middle size bran can get a high total score. However, DWCN containing coarse bran can not be readily accepted by evaluators, because of the notable deterioration in the DWCN taste, smoothness, palate, and appearance (Table 5).