Method of degerminating a kernel of grain by simultaneously comp

Details Method of degerminating a kernel of grain by simultaneously comp Method of degerminating a kernel of grain by simultaneously comp

1978-05-26

1980-02-19

Bashore, S. Leon

Food or edible material: processes, compositions, and products

Processes

Separating a starting material into plural different...

99602, 99618, 99621, 241 7, 426483, 426507, B02C 902, B02C 904

Patent

active

041895037

ABSTRACT:
A degerminating process wherein the grain kernels are crushed from the thin edges toward the center while avoiding crushing of the relatively flat side surfaces. The crushing force fractures the endosperm under and around the germ and squeezes the germ away from the endosperm in a whole condition. A machine for carrying out the degermination includes relatively rotating discs having corrugations in their facing surfaces in which the kernels are caught and crushed from the thin edges toward the center. An alternative degerminator machine includes a single rotating disc having curved guide vanes on its upper surface for guiding the kernels as they are propelled outwardly by centrifugal force. The vanes orient each kernel with its top or bottom edge in position to impinge upon flat impact surfaces which results in a crushing force applied from the thin edge toward the center of the kernel. Milling processes employing the improved method of degermination utilize, at the front end of the mill, rollers with fine corrugations which are normally used only at the end of a long succession of rollers in a conventional differential milling operation. The rollers are adjusted to minimize penetration of the germ to thereby maintain it in a whole condition and produce high quality fines that remain in the prime product streams.

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