Resistant Starch Product Can Replace Flour in Foods

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Resistant Starch Product Can Replace Flour in Foods

February 08
14:35 2013
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The study was conducted by a Texas Woman’s University (Denton, Texas) research team, led by Shanil Juma, Ph.D.and Parakat Vijayagopal, Ph.D.

In particular, the researchers found that muffins, focaccia bread and chicken curry could be made with HI-MAIZE resistant starch,replacing a portion of the all-purpose flour normally contained in such foods without significantly altering consumer’s acceptability. This study should be of interest to formulators who want to use resistant starch in formulating foods to help consumers meet the U.S. Dietary Guidelines recommendations for 25 grams of dietary fiber/day because of its combination of sensory, process stability and health benefits.

This randomized, double-blinded study investigated the sensory characteristics of certain foods containing HI-MAIZE resistant starch on a group of healthy men and women, aged between 18 and 60. Two formulations of blueberry muffins, herbed focaccia bread and spicy chicken curry were created: the control formulation contained all -purpose flour while the test formulation replaced a portion or all of the all-purpose flour with HI-MAIZE resistant starch. The HI-MAIZE enriched muffins, focaccia bread, and chicken curry contained 3.2 g of resistant starch/113 g medium-sized muffin, 13.1 g of resistant starch/100 g of bread, and 8.8 g of resistant starch/one serving or 255 g of chicken curry. The sensory characteristics of the three types of food products, with and without resistant starch, were evaluated using a 9-point hedonic scale.

Participants rated the HI-MAIZE-fortified muffin higher than the control, particularly with regard to moisture content and mouthfeel. It also appeared to be fluffier than the control muffin,and the overall likeability increased by 12%, (but was not statistically significant). The participants found a denser, darker and firmer crust in the focaccia bread and found the resistant starch containing focaccia bread to be more likeable than the control bread (a result that was statistically significant). They liked the chicken curry equally as well as the control. The authors concluded that the addition of HI-MAIZE resistant starch may not significantly alter consumer’s acceptability in most food products.

“This study is particularly timely because HI-MAIZE resistant starch delivers benefits that consumers really want and need,” said Rhonda Witwer, Senior Business Development Manager at Ingredion. “Published clinical studies have shown that HI-MAIZE boosts satiety and helps people to eat less, reduces the glycemic response of foods, helps balance energy levels, and improves insulin sensitivity. Because HI-MAIZE resistant starch invisibly replaces flour in foods, manufacturers can improve the nutritional profile of their foods while maintaining the great taste and textures that their customers know and love.”

HI-MAIZE resistant starch is made from a proprietary high amylose corn hybrid by Ingredion Incorporated. It contains approximately 40% slowly digestible (glycemic) starch and 60% resistant starch (insoluble fiber that resists digestion in the small intestine and reaches the large intestine). In the last 20 years, more than 200 published studies – including more than 70 human clinical trials – have demonstrated a range of health related benefits from the consumption of HI-MAIZE resistant starch, including assisting blood sugar and energy management, weight management and satiety in healthy individuals. It can be added to foods such as breads, baked goods and snacks by partly replacing flour or to smoothies, yogurt or oatmeal in a simple blending process.

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