preparing {HEAD ~ an aqueous emulsion} of crude anethole by combining crude anethole, {TAIL ~ emulsifier}, and water at a temperature above the melting point of the crude anethole and agitating the mixture 
by combining
preparing { HEAD ~ an aqueous emulsion } of crude anethole by combining crude anethole , { TAIL ~ emulsifier } , and water at a temperature above the melting point of the crude anethole and agitating the mixture
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH