The color values (L*, a* and b*) of the heat-treated rice bran samples are shown in Table. 1. All color values (L*, a* and b*)were affected by heating temperature and time. The brightness (L*)of rice bran after DH treatment decreased but redness (a*) and yellowness (b*) increased as DH temperature increased. The DE value, expressed as a single value in color difference of L*, a*, and b*, also significantly increased with the increase in DH temperature. Similarly, the decrease in brightness (L*) of rice bran with the increase in heating temperature has been reported (Aliva and Silva, 1999). This result could be due to the formation of some products from the Maillard reaction induced by the heat treatment. The degree of color change by FDDH treatment was much lower than that by DH (Table 1). It indicates that freeze-drying prior to the heat treatment was effective in retarding the browning reaction. Among