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PUBLIC RELEASE DATE:
19-Mar-2014

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Contact: Darcy Spitz
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American Heart Association
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Spices and herbs intervention helps adults reduce salt intake

American Heart Association Meeting Report

Teaching people how to flavor food with spices and herbs is considerably more effective at lowering salt intake than having them do it on their own, according to research presented at the American Heart Association's Epidemiology & Prevention/Nutrition, Physical Activity & Metabolism Scientific Sessions 2014.

In the first phase of the study, 55 volunteers ate a low-sodium diet for four weeks. Researchers provided all foods and calorie-containing drinks. Salt is the main source of sodium in food.

In the second phase, half of the study volunteers participated in a 20-week behavioral intervention aimed at reducing their sodium intake to 1,500 mg/day by using spices and herbs. The other half reduced sodium on their own.

More than 60 percent of the participants in the study had high blood pressure, 18 percent had diabetes and they were overweight.

The researchers found:

"People in the intervention group learned problem-solving strategies, use of herbs and spices in recipes, how culture influences spice choices, how to monitor diet, overcoming the barriers to making dietary changes, how to choose and order foods when eating out and how to make low-sodium intake permanent," said Cheryl A. M. Anderson, Ph.D., M.P.H., lead author of the study and associate professor in the Department of Family and Preventive Medicine at the University of California San Diego.

Those assigned to the behavioral intervention group had cooking demonstrations and had a chance to share how they were changing traditional recipes to remove salt and include spices. The researchers didn't emphasize specific spices, and encouraged participants to try different things to find out what they liked most.

"Salt is abundant in the food supply and the average sodium level for Americans is very high much higher than what is recommended for healthy living," Anderson said. "We studied the use of a behavioral intervention where people learn how to use spices and herbs and less salt in their daily lives."

"Given the challenges of lowering salt in the American diet, we need a public health approach aimed at making it possible for consumers to adhere to an eating pattern with less salt. This intervention using education and tasty alternatives to sodium could be one solution."

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Co-authors are Laura K. Cobb, M.S.; Edgar R. Miller, M.D., Ph.D.; Mark Woodward, Ph.D.; Alex Chang, M.D., M.S.; Morgana Mongraw-Chaffin, Ph.D.; and Lawrence J. Appel, M.D., M.P.H. Disclosures are on the abstract.

The McCormick Science Institute funded the study.

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Statements and conclusions of study authors that are presented at American Heart Association scientific meetings are solely those of the study authors and do not necessarily reflect association policy or position. The association makes no representation or warranty as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at http://www.heart.org/corporatefunding.



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