The technology of Buckwheat starch extracting was created by simulating the common technology of starch extracting from other grains and the technical parameters were studied. The crude Buckwheat starch was purified by alkali solution and acid solution washing, which decreased quantity of proteins and ashes respectively. The qualitative indexes of the separated Buckwheat starch were analyzed. The gelatinization characters were analyzed. And the results were compared with three kinds of first cla...