How does the fiber content in purple cabbage contribute to lowering circulating LDL ("bad") cholesterol levels?
Answer
It binds with bile acids in the gut, forcing cholesterol usage.
The mechanism through which purple cabbage fiber aids in reducing undesirable LDL cholesterol involves interactions within the digestive tract. Dietary fiber possesses the ability to bind to bile acids while they reside in the gut. Since bile acids are synthesized from cholesterol in the liver, binding them prevents their reabsorption. Consequently, the body must utilize existing circulating cholesterol reserves to manufacture replacement bile acids, leading to a net reduction in overall LDL cholesterol levels present in the bloodstream.
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