Soluble fibers  bind to Bile acids which increases their excretion  Liver uses cholesterol to make more bile acids  less cholesterol in the blood.

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Presentation transcript:

Soluble fibers  bind to Bile acids which increases their excretion  Liver uses cholesterol to make more bile acids  less cholesterol in the blood

In colon, when bacteria digest fiber  they produce by-products  The by-products inhibit liver from making cholesterol

Soluble fibers trap nutrients  Delays transit of materials through the GI tract  Slows down glucose absorption  Prevents a glucose surge

1. May lower rate of colon cancer by diluting, binding and removing cancer causing agents from the colon 2. Soluble fiber fermented by bacteria produce fat-like molecules  provide energy for the colon to resist chemical injury that could lead to cancer formation

High fiber may lead to weight loss:  Less fat in high fiber foods  Contain more bulk which contributes to satiety

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