Dictionary:

sitosterol

  (sī-tŏs'tə-rôl', -rōl', sĭ-)

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Any of a group of sterols that occur in high concentrations in certain plants, such as yams, and are used in the synthesis of steroid hormones.

[Greek sītos, food, grain + STEROL.]

The main sterol found in vegetable oils; reduces the absorption of cholesterol from the intestinal tract and has been used in treatment of hyperlipidaemia.

Any of a group of sterols that occur in high concentrations in certain plants, such as yams, and are used in the synthesis of steroid hormones.