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http://dx.doi.org/10.11002/kjfp.2014.21.2.181

Characteristics of whole buckwheat by wet grinding over time  

Jo, Yong-Jun (Department of Food Science and Technology, Kyungpook National University and KMF Co., Ltd.)
Seo, Ji-Hyung (Division of Food, Beverage and Culinary Art, Yeungnam College of Science and Technology)
Jeong, Yong-Jin (Department of Food Science and Technology, Keimyung University)
Publication Information
Food Science and Preservation / v.21, no.2, 2014 , pp. 181-186 More about this Journal
Abstract
This study was conducted to that investigate the quality characteristics of wet-ground whole-grain buckwheat powder for the buckwheat husk. The particle size of buckwheat rice was 74.84 ${\mu}m$, which was approximately four to five times larger than wet-ground whole buckwheat by wet grinding. The particle size showed that there was no significant difference after 90 min on wet grinding. The total phenolics and total flavonoids contents of the whole buckwheat powder were higher than those of buckwheat rice, and they gradually increased wet grinding progressed. The rutin contents of the buckwheat increased after wet grinding and was 152.90 ppm at 90 min. There was no significant difference in the quercetin contents after wet grinding at different times. The mineral contents (Ca, K and Mg) of the whole buckwheat powder were greater than those of the buckwheat rice. Further, Zn and Mn were detected in the whole buckwheat powder. The total amino acid content of the whole buckwheat powder increased to 22.27 mg%, and the important glutamic acid increased from 14.58 to 30.45 mg%. These study results were based on 90 min wet-grinding time for whole-buckwheat-powder manufacture. Whole buckwheat powder manufactured through wet grinding can be used as an active ingredient of buckwheat husk.
Keywords
buckwheat; whole buckwheat powder; wet grinding; rutin;
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Times Cited By KSCI : 12  (Citation Analysis)
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