The bran speck and ash content of 42 wheat flour samples from different milling system and 20 wheat flour samples milled by different types of experiment mills were tested.

• 对制粉生产中不同制粉系统的42个小麦粉样品以及不同类型的实验磨磨制的20个小麦粉样品分别进行麸星及灰分含量测试。