Thus, {TAIL ~ hydrogenation} of a triacylglycerol stock tends to reduce the degree of unsaturation and increase the solid fat content and can be used to convert a liquid oil into {HEAD ~ a semisolid or solid fat} 
Thus , { TAIL ~ hydrogenation } of a triacylglycerol stock tends to reduce the degree of unsaturation and increase the solid fat content and can be used to convert a liquid oil into { HEAD ~ a semisolid or solid fat }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD