{HEAD ~ A method} of purification for anethole which involves forming {TAIL ~ an aqueous emulsion} of crude anethole and crystallizing anethole from the emulsion 
involves forming
{ HEAD ~ A method } of purification for anethole which involves forming { TAIL ~ an aqueous emulsion } of crude anethole and crystallizing anethole from the emulsion
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH