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Cholesterol
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Posted by: derekisdman
I know there is good HDL Cholesterol and bad LDL Cholesterol. I was wondering though what does eating foods high in Cholesterol (like Chicken or eggs) have to do with your Cholesterol levels. Is it similar to fat where eating fat doesn't make you fat (eating Cholesterol doesn't give you high Cholesterol). Or does eating things like trans fats play a larger role in raising bad Cholesterol?
Posted by: LAM
technically cholesterol is cholesterol it is the carrier of the cholesterol that makes the difference. with out getting to technical here is a brief explanation:
high-density lipoproteins are the good transporters of cholesterol. HDL particles are responsible for the reverse transport of cholesterol. the particles mediate the removal of cellular cholesterol by 2 mechanisms.
1). the passive desorption of membrane cholesterol to a nascent HDL particle
2). through the interaction of apo AI with cellular membrane protein(s) to promote translocation of intracellular cholesterol to the plasma membrane.
low-density lipoproteins are the bad transporters of cholesterol. LDL basically transport cholesterol from the liver to the various tissues in the body.
* the consumption of saturated fats will decrease HDL levels, increase LDL and serum triglyceride values. a high carbohydrate diet will also increase serum triglyceride values.
* genetics plays a huge role on how much cholesterol the body produces. a person can have a low fat diet and still have high cholesterol and high serum triglyceride values.
Posted by: Nigeepoo
Sorry, I disagree.
According to http://www.ajcn.org/cgi/content/abstract/33/12/2559 saturated fat increases HDL more than it increases LDL. There is no significant effect on triglyceride levels.
According to http://www.ajcn.org/cgi/content/abstract/67/5/828 saturated fatty acids result in a) larger, cholesterol-enriched LDL (type A, the less atherogenic type) and b) decreased HL activity. Less HL (hepatic lipase) means more HDL-C means less CHD.
See http://www.lipidsonline.org/slides/s...hepatic+lipase for more info'
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