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Effects of solid-state yeast treatment on the antioxidant properties and protein and fiber compositions of common hard wheat bran

JEFFREY MOORE University of Maryland ZHIHONG CHENG University of Maryland JUNJIE HAO University of Maryland GANG GUO The Mennel Milling Company Jian-Guo Liu University of Maryland CHUNJIAN LIN University of Maryland LIANGLI (LUCY) YU University of Maryland

General Mathematics mathscidoc:1702.13003

Journal of Agricultural and Food Chemistry, 55, (25), 10173-10182, 2007.12
The bran fraction of wheat grain is known to contain significant quantities of bioactive components. This study evaluated the potential of solid-state yeast fermentation to improve the health beneficial properties of wheat bran, including extractable antioxidant properties, protein contents, and soluble and insoluble fiber compositions. Three commercial food grade yeast preparations were evaluated in the study along with the effects of yeast dose, treatment time, and their interaction with the beneficial components. Solid-state yeast treatments were able to significantly increase releasable antioxidant properties ranging from 28 to 65, from 0 to 20, from 13 to 19, from 0 to 25, from 50 to 100, and from 3 to 333% for scavenging capacities against peroxyl (ORAC), ABTS cation, DPPH and hydroxyl radicals, total phenolic contents (TPC), and phenolic acids, respectively. Yeast treatment increased protein content 11-12% but did not significantly alter the fiber composition of wheat bran. Effects of solid-state yeast treatment on both ORAC and TPC of wheat bran were altered by yeast dose, treatment time, and their interaction. Results suggest that solid-state yeast treatment may be a commercially viable postharvest procedure for improving the health beneficial properties of wheat bran and other wheat-based food ingredients.
Solid state; yeast; wheat; bran; antioxidant; protein; fiber; phenolic; availability
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@inproceedings{jeffrey2007effects,
  title={Effects of solid-state yeast treatment on the antioxidant properties and protein and fiber compositions of common hard wheat bran},
  author={JEFFREY MOORE, ZHIHONG CHENG, JUNJIE HAO, GANG GUO, Jian-Guo Liu, CHUNJIAN LIN, and LIANGLI (LUCY) YU},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170209090126598914359},
  booktitle={Journal of Agricultural and Food Chemistry},
  volume={55},
  number={25},
  pages={10173-10182},
  year={2007},
}
JEFFREY MOORE, ZHIHONG CHENG, JUNJIE HAO, GANG GUO, Jian-Guo Liu, CHUNJIAN LIN, and LIANGLI (LUCY) YU. Effects of solid-state yeast treatment on the antioxidant properties and protein and fiber compositions of common hard wheat bran. 2007. Vol. 55. In Journal of Agricultural and Food Chemistry. pp.10173-10182. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170209090126598914359.
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