7. -poor solubility is due to long non-polar HC chains -melting point is due to the degree of packing of FAs -FAs are present in blood in two forms -serum albumin -esters or amides
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11. Properties of Unsaturated Fatty Acids Contain one or more double C =C bonds Nonlinear chains do not allow molecules to pack closely Few interactions between chains Low melting points Liquids at room temperature
12. Triacylglycerols / Triglycerides -three FA molecules linked to one glycerol molecule -two types of triacylglycerols -simple (eg. tripalmitin) -mixed -hydrophobic molecules
15. Trans Fatty Acids - Hydrogenation converts double bonds in oils to single bonds. -helps improve stability of oils during frying -increase shelf life