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Decades of research yield natural dairy thickener with probiotic potential

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Microbiologists at Oregon State University have discovered and helped patent and commercialize a new type of dairy or food thickener, which may add probiotic characteristics to the products in which it’s used.

The thickener is now in commercial use, and OSU officials say it may have a significant impact in major industries. The global market for polymers such as this approaches $7 billion, and there are estimates the U.S. spends up to $120 billion a year on probiotic products such as yogurt, sour cream and buttermilk.

The new product is produced by a natural bacterium that was isolated in Oregon. It’s the result of decades of research, beginning in the early 1990s when a novel polymer with an ability to rapidly thicken milk was discovered by an OSU microbiologist. The polymer is known as Ropy 352 and produced by a non-disease-causing bacterium.

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