Fats and Oils CH-0 CH一O CH2-0 tristearin,mp 72C 0 CH,一OC CH-0 CH,一O一C triolein.mp-4 C Copyright2010 Pearson Prentice Hall,Inc Unsaturated triglycerides have lower melting points because their unsaturated fatty acids do not pack as well in a solid lattice. Chapter 25 9Chapter 25 9 Fats and Oils ▪ Unsaturated triglycerides have lower melting points because their unsaturated fatty acids do not pack as well in a solid lattice