3种青稞糌粑分级粉性质差异及相关性分析
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(1. 北京农学院食品科学与工程学院,北京 102206;2. 食品质量与安全北京市实验室,北京 102206;3. 中国农业大学食品科学与营养工程学院,北京 100083;4. 植物蛋白与谷物加工北京市重点实验室,北京 100083)

作者简介:

马洁,女,北京农学院在读硕士研究生。

通讯作者:

吕莹(1976—),女,北京农学院副教授,博士。E-mail:lvying826@gmail.com

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科技重大专项(编号:ZD20170014)


Differences of the properties in three kinds of Zanba powder by layered grinding and its correlation analysis
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(1. College of Food Science and Engineering, Beijing University of Agriculture, Beijing 102206, China; 2. Beijing Laboratory of Food Quality and Safety, Beijing 102206, China; 3. College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; 4. Beijing Key Laboratory of Plant Protein and Cereal Processing, Beijing 100083, China)

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    摘要:

    以3种不同品种的青稞为原料,炒制后采用分层磨粉的方法分别获得由青稞籽粒外层至内层的糌粑分级粉Ⅰ~Ⅵ,探究各分级粉的β-葡聚糖含量、糊化特性及风味特征,分析不同糌粑分级粉之间的差异和相关性。结果表明:随着获得的糌粑分级粉道次由外层至内层变化,藏青320、藏青2000和勾芒最外层糌粑分级粉的β-葡聚糖含量均显著低于最内层的,初始及最终黏度增大。采用气相色谱法研究不同糌粑粉的风味特征,发现各品种糌粑分级粉由外层至内层出现峰面积减少、风味减弱的趋势,同时紫皮青稞勾芒糌粑粉的皮层呈现出比藏青320和藏青2000更好的风味特征。研究表明,藏青320、藏青2000和勾芒3品种的糌粑分级粉之间β-葡聚糖含量、黏度及风味物质的差异较为显著。

    Abstract:

    With three different varieties of highland barley (Zangqing 320, Zangqing 2000, Goumang) as raw material, investigated the β-glucan content, pasting properties and aroma characteristics of cooked highland barley (Zanba) obtained from layered milling method. The results showed that, from outer to inner layer (Zanba powderⅠ~Ⅵ), the samples were exhibited with increasing β-glucan content, as well as improved initial and final viscosity values for the three highland barleys. Furthermore, the total peak area and the flavor in gas chromatography showed a decreasing tendency, which indicated the flavor characteristics of outer layer Zanba powder were better than that of the inner layer for all samples. Also, the outer layer of Goumang Zanba powder was presented with stronger flavor characteristics than that of Zangqing 320 and Zangqing 2000. This study provides fundamental basis for the processing of Zanba.

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引用本文

马洁,周洋,陈璐瑶,等.3种青稞糌粑分级粉性质差异及相关性分析[J].食品与机械,2018,34(5):49-53.
MAJie, ZHOUYang, CHENLuyao, et al. Differences of the properties in three kinds of Zanba powder by layered grinding and its correlation analysis[J]. Food & Machinery,2018,34(5):49-53.

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  • 收稿日期:2018-02-18
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  • 在线发布日期: 2023-03-17
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