RESULTS and DISCUSSION
Table 1 shows the grain reflected color of eighteen colored rice cultivar from West Sumatra, include three
red rice cultivar with polished with different level. In some region of West Sumatra, people used black rice for
consume, but they polished it first before consume. Because of this reason the L* value had significant
different among the red rice cultivar. The high level of polished rice give high value of L*. The
L* value for red rice range from 26.42-65.98. The red rice from Sariak Alahan Tigo have the darkest color among
other. While the red rice from Ombilin Merah Talang have the same L* value with white rice, because of the
level of polished rice almost 90%. Which means the red rice from Ombilin Merah Talang have no pigment
on the surface. The L* value of black rice range from 19.08-39.34. Solok Selatan have the highest L* value
among other and become the darkest color among other. Some of the black rice cultivar also polished at
different level. Solok Selatan is completely non polished rice which have a very deep purple color.