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Beta Glucan

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Beta Glucan are natural gum polysaccharides occurring in the bran of cereal grains, most abundantly in barley and oats and to a much lesser degree in rye and wheat. They are useful in human nutrition as texturing agents and as soluble fiber supplements, but problematic in brewing as excessive levels make the wort too viscous.

Beta Glucan is known to be an unique polysaccharide composed of glucose molecules extracted and purified from the cell wall of common baker's yeast Saccharomyces cerevisiae. Beta glucan is used to maintain or stimulate the effectiveness of the immune system. Animal and human cell culture studies have shown that beta glucan can stimulate several aspects of immune function, such as phagocytosis and interleukin production. Source Natural's Beta Glucan uses a purification process that removes the manoproteins and yeast residues that may reduce the effectiveness of beta glucan.

Beta Glucan incorporated into a fruit drink effectively lowers serum LDL- cholesterol concentrations. Beta Glucan can reduce serum concentrations of total and LDL cholesterol. The mechanism of this action is not clear, however, and it is difficult to predict the cholesterol-lowering effect of a food product enriched with beta glucan. We examined the effects of a beta glucan -enriched fruit juice on serum lipids and lipoproteins and on markers of cholesterol absorption (serum concentrations of plant sterols) and synthesis (serum concentrations of lathosterol). In addition, we measured effects on lipid-soluble antioxidants. Conclusions: beta Glucan lowers serum concentrations of total and LDL cholesterol when incorporated into a fruit drink. Reduced cholesterol absorption contributes to the cholesterol-lowering effect of beta glucan without affecting plasma concentrations of lipid-soluble antioxidants.

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Beta Glucan