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Making a more healthful, low-fat hot dog without giving up texture


Date:
July 9, 2014
Source:
American Chemical Society (ACS)
Summary:
Low-fat wieners made with olive oil rather than pork fat make progress toward a healthful alternative hot dog without sacrificing satisfying flavor and texture.

With grilling season upon us, many backyard cooks are turning to more healthful alternatives to their savored but fatty hot dogs. But low fat can sometimes mean low satisfaction. Now researchers are reporting new progress toward addressing the texture problem in low-fat wieners that are made with olive oil rather than pork fat. Their study was published in ACS' Journal of Agricultural and Food Chemistry.

Ana M. Herrero and colleagues note that hot-dog consumers have come to expect just the right amount of chewiness and springiness, among other things, from their beloved summer fare. But traditional hot dogs come with a large dose of pork back-fat. To build a more healthful frankfurter, Herrero's team has developed olive oil "bulking agents" to replace the saturated animal fat. The substitutes contain 55 percent olive oil, which contains more healthful unsaturated fats, and could reduce the calories by more than a third. But knowing that only alternatives that closely mimic the high-fat originals will win over BBQ fans, the researchers analyzed them for texture and storage potential.

To explore factors important to texture, they used a technique called Raman spectroscopy to probe the protein and lipid structures of two low-fat recipes and their relationship with textural properties. They also tested how well they held up during refrigeration. The researchers figured out how protein and lipid structures affect texture. They also found that regardless of ingredients, all the franks, including those made with pork fat, responded similarly to cold conditions for nearly three months -- long enough to last through the entire summer.


Story Source:

The above story is based on materials provided by American Chemical Society (ACS). Note: Materials may be edited for content and length.


Journal Reference:

  1. A. M. Herrero, C. Ruiz-Capillas, F. Jimιnez-Colmenero, P. Carmona. Raman Spectroscopic Study of Structural Changes upon Chilling Storage of Frankfurters Containing Olive Oil Bulking Agents As Fat Replacers. Journal of Agricultural and Food Chemistry, 2014; 62 (25): 5963 DOI: 10.1021/jf501231k

Cite This Page:

American Chemical Society (ACS). "Making a more healthful, low-fat hot dog without giving up texture
." ScienceDaily. ScienceDaily, 9 July 2014. <www.sciencedaily.com/releases/2014/07/140709135501.htm>.
American Chemical Society (ACS). (2014, July 9). Making a more healthful, low-fat hot dog without giving up texture
. ScienceDaily. Retrieved October 2, 2014 from www.sciencedaily.com/releases/2014/07/140709135501.htm
American Chemical Society (ACS). "Making a more healthful, low-fat hot dog without giving up texture
." ScienceDaily. www.sciencedaily.com/releases/2014/07/140709135501.htm (accessed October 2, 2014).

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