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Thursday, May 31, 2012

Phytosterols



  • Phytosterols are plant sterols structurally similar to cholesterol that act in the intestine to lower Cholesterol absorption.
  • Phytosterols are widely employed in different sectors: As food additive, In medicine, In pharmacy,  In biotechnology, In cosmetics.
  • The intake of naturally occurring phytosterols ranges between ~150-450 mg/day depending on eating habit.
  • Free phytosterols extracted from oils are insoluble in water, relatively insoluble in oil, and soluble in alcohols.
  • The most commonly occurring phytosterols in the human diet are β-sitosterol, campesterol and stigmasterol which account for approximately 65%, 30% and 3% of diet contents,respectively.

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