Furuichi Tsugumi, Abe Daigo, Uchikawa Takuya, Nagasaki Toshihiro, Kanou Mina, Kasuga Junko, Matsumoto Shingo, Tsurunaga Yoko
Department of Living Science, Food Science and Nutrition, Tottori College, Tottori 682-8555, Japan.
Western Region Agricultural Research Center, National Agriculture and Food Research Organization, Kagawa 765-8508, Japan.
Foods. 2023 Jul 8;12(14):2639. doi: 10.3390/foods12142639.
To promote the use of waxy barley bran, an underutilized resource, samples of waxy barley were divided into three parts: polished waxy barley powder (PWBP), inner bran layer powder (IBLP), and outer bran layer powder (OBLP). The color and appearance, general properties, minerals, vitamins, β-glucan, antioxidant properties, and aroma of each part were compared. In terms of appearance and color, IBLP and OBLP appeared more yellow than PWBP; general components that were more abundant in IBLP and OBLP compared with PWBP were protein, fat, and ash. IBLP and OBLP had characteristically high values of Mg and Zn, monounsaturated and polyunsaturated fatty acids, vitamin B, total polyphenol content, H-ORAC, and DPPH. In particular, the vitamin B content of OBLP was approximately 10 times higher than that of PWBP, and Mg and Zn content was more than five times higher than in PWBP. The β-glucan content of IBLP and OBLP was lower than that of PWBP, but relatively high. GC-MS analysis revealed that hexanal was the aroma component common to all three samples, and the peak areas were in the order of PWBP > OBLP > IBLP.
为了推广糯大麦麸这种未充分利用的资源的使用，将糯大麦样品分为三部分：精磨糯大麦粉（PWBP）、内麸皮层粉（IBLP）和外麸皮层粉（OBLP）。对各部分的颜色和外观、一般特性、矿物质、维生素、β-葡聚糖、抗氧化特性和香气进行了比较。在外观和颜色方面，IBLP和OBLP比PWBP显得更黄；与PWBP相比，IBLP和OBLP中含量更丰富的一般成分是蛋白质、脂肪和灰分。IBLP和OBLP的镁和锌、单不饱和脂肪酸和多不饱和脂肪酸、维生素B、总多酚含量、H-ORAC和DPPH具有特征性的高值。特别是，OBLP的维生素B含量约为PWBP的10倍，镁和锌含量比PWBP高5倍以上。IBLP和OBLP的β-葡聚糖含量低于PWBP，但相对较高。气相色谱-质谱联用分析表明，己醛是所有三个样品共有的香气成分，峰面积顺序为PWBP>OBLP>IBLP。
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