The percent of {HEAD ~ water} soluble and water insoluble material was determined to be 38% and {TAIL ~ 62%}, respectively 
The percent of { HEAD ~ water } soluble and water insoluble material was determined to be 38 % and { TAIL ~ 62 % } , respectively
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH