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Flavor and oxidative stability of hydrogenated and unhydrogenated soybean oil: Effect of tertiary butyl hydroquinone

  • Technical
  • Published:
Journal of the American Oil Chemists’ Society

Abstract

The efficacy of tertiary butyl hydroquinone (TBHQ) treatment for enhancement of the storage stability of soybean oil has been studied by flavor evaluation and chemical analysis. Soybean oils (I) unhydrogenated (IV=137.7; % linolenate=8.3), (II) hydrogenated with nickel catalyst (IV=109.1; % linolenate=3.3), and (III) hydrogenated with copper-chromium catalyst (IV=112.8, % linolenate=0.4) were each deodorized. In the cooling stage of the deodorizer, each oil was treated with citric acid plus TBHQ. These freshly deodorized oils were compared to separate batches of each oil treated with citric acid alone or with citric acid plus butylated hydroxyanisole and butylated hydroxytoluene. An analytical taste panel performed sensory evaluations by a paired sample test using an intensity rating scale system. The oils were also evaluated after being subjected to accelerated storage tests (4 days and 8 days at 60 C) and a fluorescent light exposure test (4 hr, ambient temperature). Peroxide development during storage was beneficially reduced in oils treated with TBHQ. The flavor stability of the three oils was not enhanced by treatment with TBHQ under any test conditions.

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References

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Authors and Affiliations

  1. Northern Regional Research Center, Agricultural Research, Science and Education Administration, U.S. Department of Agriculture, 61604, Peoria, IL

    T. L. Mounts, K. Warner & G. R. List

Authors
  1. T. L. Mounts
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  2. K. Warner
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  3. G. R. List
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Mounts, T.L., Warner, K. & List, G.R. Flavor and oxidative stability of hydrogenated and unhydrogenated soybean oil: Effect of tertiary butyl hydroquinone. J Am Oil Chem Soc 58, A792–A794 (1981). https://doi.org/10.1007/BF02887325

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  • DOI: https://doi.org/10.1007/BF02887325

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