Wednesday, January 22, 2014

Nutrition Notes

Lipids 3 kinds Triglycerides 95% of lipids we take in be these Phospholipids \ Sterols / 5% They are hydrophobic ** OH = vinegarish end no duple bonds = stark(a) flumps double bonds = make up unsaturated fats 2 or more(prenominal) double bonds = polyunsaturated fats 1 double bond = monounsaturated Triglycerides: consists of 3 superfatted corrosives and glycerol Consistencies: Saturated Fat: solid at live temperature Unsaturated: liquid at room temperature Hydrogenated (means saturated) fatty acid -> hydrogenated ve pissable oil, seems good but bad for you! cis (H on very(prenominal)(prenominal) post of double bond.. most unsaturated fatty acids in foods are cis) cis-fatty acids OK. * Changes cis to trans- aka put hydrogens on opposite ends of double bond. trans-fatty acid severity * * Sterols: 6 6 6 to 5 base like to chicken wire CCK: cholecystokinin Tra vels to eat away vesica and causes it to contract.. and then releases saddle sore into menial intestine. Bile breaks fat up into nonaged fats (emulsified fat) so they foundation be attacked Bile: when impudence enters small intestine, the gall bladder secretes bile. it then can bring the fat into the pissing then fats can be broken apart (emulsification) In the liver, bile is made in the gallbladder bile is stored.. in small intestine bile emulsifies fats.. bile is reabsorbed into blood.. OR in the colon, the bile that has been trapped by soluble fibers is lost in feces. Lipoproteins, 4 kinds: Chylomicrons Contain little protein; pitiableest in density V low-density lipoprotein (very low density lipoproteins) Half triclycerides, accounting for very low density low-density lipoprotein (low density lipoproteins) Half cholesterin BAD! HEART indisposition! saturated fats increase LDL HDL ( broad(prenominal) density lipoproteins) Half protein which accounts f or their high density LPL body process: fo! r men, middle. For women, hips and thighs. Many of us have very sprightly LPLs ( appropriate fat easily) Recommended Intakes for Fat 25-35% of daily energy should come from fat...If you want to get a full essay, order it on our website:

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