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What is the role of taurine in lipid digestion?
It plays a role in the oxidation of cholesterol into bile salts in the liver. This allows the cholesterol in to be excreted out of the body by changing it into a water soluble form (bile salts).
How is soluble fiber in the diet thought to help lower blood cholesterol level?
It enhances excretion of bile leading to increased cholesterol turnover
Why is cholesterol vital for health?
It is used in cell membranes and is the substrate for making sterol hormones and vitamin D. Cholesterol is made in then liver and humans have no dietary requiment for cholesterol. Cholesterol is converted into bile acids. Bile acids act as a solute to cholesterol in the gallbaldder, preventing gallstone formation, help the absorption of fat soluble vitamins and emulsify fats so they are avalible to pancreatic lipase. Bile acid production is the only method for excreating excess cholesterol.
What does bile contained?
bile contains cholesterol and digestive acids
What are the three ingredients of bile?
Cholesterol, IgA, bile acids
Gallstones are usually composed of?
Bile is the major vehicle for cholesterol excretion from the body, and bile salt keeps the cholesterol dissolved within bile. to much cholesterol or to little bile salt is what causes gallstones to happen. they are made up of cholesterol. see page 885 anatomy and physiology 8th
How does the drug Colestipol affect cholesterol levels in the blood?
Colestipol is not absorbed into body because this drug prevents the absorption of bile acids which are produced by the cholesterol. The major impact that they are used for is being used in adjunction to help reduce the Low-Density Lipoprotiens, the "bad cholesterol." Because bile acids are formed in the liver from the cholesterol, it is then secreted back into the bile as the bile enters the intestines to be recycled through the same process. This promoting of elimination of bile acids, colesyipol pushes the liver converting more cholesterol into more bile acids to replace the ones lost. Blocks the absorption of cholesterol from the bowel. Bile salts change to cholesterol . The drug prevents the binding of bile salts to the cholesterol, so that the cholesterol can be excreted in the bowel.
Can bile be synthesized by cholesterol?
Yes, bile acids are synthesized in the liver.
What are the characteristics of bile?
Bile is a greenish-yellow fluid produced by the liver and stored in the gallbladder. It plays a key role in digestion by breaking down fats and assisting in the absorption of fat-soluble vitamins. Bile is composed of bile salts, cholesterol, and bilirubin.
What are synthesized from cholesterol?
Cholesterol is the precursor of bile acid, steroid hormones and vitamin D.
What lipids are bile acids made from?
Bile acids are produced from cholesterol in the liver.
Is cholesterol soluble in sodium bicarbonate?
Cholesterol is not very soluble in sodium bicarbonate. However, in a basic solution, such as sodium bicarbonate, cholesterol forms some salts that are more soluble.
