{HEAD ~ Methods} for fractionating {TAIL ~ plant material} such as corn and wheat are known in the art 
{ HEAD ~ Methods } for fractionating { TAIL ~ plant material } such as corn and wheat are known in the art
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH