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Division of Endocrinology, Metabolism and Nutrition, Mayo Clinic and Foundation, Rochester, MN
Plant sterols and stanols derived from wood pulp and vegetable oils lower total and LDL cholesterol by inhibiting cholesterol absorption from the intestine in humans. Plant stanols are virtually unabsorbable, which makes them more ideal hypocholesterolemic agents than plant sterols. The esterification of plant stanols has allowed their incorporation into various foods such as margarine without changing the taste and texture of those foods. Plant stanol esters at a level of 23 g/d have been shown to reduce LDL cholesterol by 1015% without side effects. Plant stanol esters appear to be a helpful dietary adjunct to a prudent diet to lower cholesterol.
KEY WORDS: sitostanol sitosterol cholesterol absorption cholesterol
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