Fshn 150 1st Edition Lecture 17Outline of Last LectureI. LipidsOutline of Current LectureII. Health dangers of excessive trans fatty acidsIII. Saturated fatty acidsIV. MonounsaturatedV. PolyunsaturatedVI. Essential Fatty acidsVII. Trans fatVIII. Fat DigestionIX. Fat AbsorptionX. Transport of digested fatXI. LipoproteinsCurrent LectureI. Health dangers of excessive trans fatty acidA. High LDL low HDL= higher risk of heart diseaseB. Current intake is about 3% of total kcalsII. Saturated fatty acidsA. Increases LDL cholesterolB. Long chain-lard and animal fatsC. Medium and short- milk fat coconut and palm oilIII. Monounsaturated fatsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.A. Lowers LDLB. Olive, canola, and peanut oilIV. Polyunsaturated fatsA. Lowers LDLB. Sunflower, corn, safflower, and fish oilV. Essential fatty acidsA. Omega 3- lowers inflammation and blood clottingi. Fish, walnuts, flax, hemp canola and soybean oilB. Omega 6- regulates blood pressure, increases blood clottingi. Plant oilsVI. Trans fatA. Increases LDLVII. Fat digestion A. Mouth- lingual lipsase, only short chain FA, milk fat is one of few fatsto be digested in mouthB. Stomach- gastric lipsase, short and medium chain FAC. Small intestine- triglycerides and pancreatic lipsase and bile= free fatty acids and glycerol and monoglycerides and bileVIII. Fat absorptionA. Simple diffusion to absorptive cellsB. Short and medium chain FA(<12 carbons) are water solublei. Directly into blood via the portal vein to the liverC. Long chain fatty acidsIX. Transport of digested fatA. Reformed into triglyceridesB. Packaged into chylomicronsC. Lipoprotein lipsase breaks down triglycerides in the chylomicronsD. Fatty acids are absorbed by cellsE. Takes 2-10 hours to clear chylomicronsX. LipoproteinsA. 4 types carry proteins- chylomicrons, VLDL, LDL, HDLB. Transport water insoluble lipids- long chain fatty acidsC. Structure: core of TG, shell of phospholipids, embedded protein and cholesterol, variation in lipoproteinsD. High triglycerides= dietary fat=chylomicronsE. VLDL=liver fats=triglyceridesF. LDL=carries cholesterolG. HDL=protein=removes cholesterol from cells and takes back to