Products with good bacteria get popular
Updated: 2007-12-11 15:53
Small studies have suggested that certain probiotics might help treat or prevent some types of gastroenteritis, diarrhea and allergic skin reactions, and the bugs are being investigated for many other ailments.
The NIH has declared the study of gastrointestinal bacteria and probiotics a major research initiative. The agency's upcoming meeting will highlight current science so it can identify research gaps and determine the direction of future research, said Crystal McDade-Ngutter, who heads an NIH working group on the topic.
"The fact that there are a number of health implications and a lack of understanding associated with the use of pre- and probiotics makes this a very interesting subject to study," she said.
The bugs are being put under the microscope around the globe.
For example:
-A Canadian study published last month suggested that fermented milk containing Lactobacillus acidophilus and Lactobacillus caseii could help prevent antibiotic-related diarrhea.
-A study from Finland published this year found that an oat drink containing Bifidobacterium lactis bacteria helped bowel function in nursing home residents.
-Scientists in Argentina are investigating whether milk fermented with lactic acid bacteria might reduce amounts of cancer-causing substances in the intestine.
-University of California at Los Angeles researchers are looking at whether probiotic supplements can treat allergy-induced skin rashes in babies.
-Israeli scientists are studying whether these supplements can improve complications in liver disease.
Even without all the answers from science, probiotics are a multibillion-dollar global industry. In the United States alone, retail sales of probiotic-containing foods and supplements totaled an estimated at $764 million in 2005 and are projected to reach $1 billion in 2010, according to market research firm BCC Research.
Dannon's Activia yogurt, introduced last year, is among the best known US products. Its first-year US sales totaled more than $100 million. General Mills introduced its competitor, Yo-Plus, under the Yoplait yogurt brand this year.
Other 2007 products include: Kraft Foods Inc.'s LiveActive prebiotic cottage cheese and probiotic cheddar cheese; Nestle's probiotic Good Start Natural Cultures baby formula; Beech-Nut Nutrition Corp.'s Good Evening prebiotic baby food; and the Swiss firm Barry Callebaut's probiotic chocolate.
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