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