Uses of Phytosterols
Phytosterols are something we all consume small amounts every day as part of a healthy diet. Recent studies have, however, shown that if you increase your phytosterol intake by only one or two grams, you can reduce your cholesterol level.
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What Are Phytosterols
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Phytosterols, also called plant sterols, are natural compounds found in the cells and membranes of plants. More than 250 different sterols and related compounds have been found in plants and, in low concentrations, in grains, fruits and vegetables. The most common phytosterols are beta-sitosterols, stigmasterols and campesterols. The only sterol humans are capable of producing is cholesterol.
Sources of Phytosterols
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The most traditional sources of phytosterols are coniferous trees, soybeans and yams. Sterols from coniferous trees are, however, not considered as food substances by the U.S. food and drug authorities. Soybeans and yams are the more conventional ways to increase your phytosterol intake. Soybeans are widely grown in the United States and yams are a traditional crop in Mexico. In addition to soybeans and yams, canola oil has significant amounts of phytosterols.
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Industrial Uses
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Phytosterols have several industrial uses. Phytosterols are used as additives or components in thermoplastic resins to manufacture tires and other rubber products. In addition, phytosterols are used as rate modifying agents in some thermoplastic polymers and in the production of liquid crystals.
Cholesterol Lower
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Phytosterols can prevent the absorption of cholesterol and therefore reduce blood cholesterol levels. Beta-sitosterols, campesterols and stigmasterols used as dietary supplements can reduce serum and plasma total cholesterol and low-density lipid cholesterol levels in your body. In Finland, cholesterol-reducing margerines have been produced and sold for years. The production of these products for the U.S. market has just started.
Health Uses
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Other studies have shown that phytosteroids' health uses are not limited to lowering cholesterol. Phytosterols can also treat benign prostatic hyperplasmia and slow down colon cancer development. In addition, a new dietary supplement has shown promise in treating rheumatoid arthritis, allergies and stress-related illnesses.
Skin Care
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Cholesterol is one of the major components of the lipids that are part of the skin's surface layer and phytosterols are believed to reach the surface of the skin if they are part of your diet. Low humidity and use of soaps and detergent can dry skin and irritate it, but a recent European study has shown that lipid materials can repair skin and sterol-enriched lipids found in canola oil are the best. Sterols can help the surface skin to recover and therefore speed the overall skin recovery.
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