This shows that the name alone to measure the quality of the above two kinds of flour or no scientific basis. Mainly have to look at the texture of the flour, it is best to compare the two,
Good flour from the color of the yellowish, poor for the greenish-white, mostly participated in the whitening agent.
Good flour is very dry, poor hand a ball will become a ball, the moisture content is very large, smell when a good noodle flavor, poor noodle flavor is not enough or not.