Stanol ester

Stanol ester is a type of ester that is formed when plant stanols are esterified with fatty acids of vegetable oils. Stanol esters are used in the food industry as a cholesterol-lowering ingredient. They are commonly found in margarines, spreads, and other food products marketed to individuals who want to lower their blood cholesterol levels.

History

The use of stanol ester as a cholesterol-lowering agent was first discovered in the 1950s. However, it was not until the 1990s that stanol esters were commercially produced and marketed as a food ingredient. The first commercial product containing stanol ester was a margarine spread called Benecol, which was launched in Finland in 1995.

Health Effects

Stanol esters have been shown to lower blood cholesterol levels by inhibiting the absorption of dietary cholesterol in the small intestine. They do this by displacing cholesterol from the micelles that are necessary for the absorption of fats in the intestine. This results in a lower amount of cholesterol being absorbed into the body, and a higher amount being excreted.

Several clinical studies have shown that consuming 2-3 grams of stanol esters per day can lower low-density lipoprotein (LDL) cholesterol levels by 10-15%. This can help to reduce the risk of coronary heart disease.

Safety and Side Effects

Stanol esters are generally considered safe for consumption. They have been approved for use as a food ingredient in many countries, including the United States and the European Union. However, some individuals may experience minor side effects such as gastrointestinal discomfort or loose stools.

See Also

• Phytosterols
• Cholesterol
• Coronary heart disease

References

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