Corn dietary fiber (CDF) was obtained after a series of process: washing, cleaning, drying, milling. Total dietary fiber of this kind of CDF is over 80%. But the content of soluble dietary fiber is lower than 3%.

• 玉米皮经洗涤、净化、脱水、干燥、粉碎等一系列过程，可制备出总膳食纤维含量在80%25以上，但可溶性膳食纤维含量不到3%25的玉米膳食纤维。