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[1]唐珊珊,顾楠,潘志芬,等.青稞发芽过程中β-葡聚糖含量变化及对麦芽品质的影响[J].应用与环境生物学报,2015,21(04):616-622.[doi:10.3724/SP.J.1145.2015.02012]
　TANG Shanshan,GU Nan,PAN Zhifen,et al.Changes in β-glucan content of hull-less barley during germination and the effects on malt quality[J].Chinese Journal of Applied & Environmental Biology,2015,21(04):616-622.[doi:10.3724/SP.J.1145.2015.02012]
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青稞发芽过程中β-葡聚糖含量变化及对麦芽品质的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
21卷
期数:
2015年04期
页码:
616-622
栏目:
研究论文
出版日期:
2015-08-25

文章信息/Info

Title:
Changes in β-glucan content of hull-less barley during germination and the effects on malt quality
作者:
唐珊珊;  顾楠;  潘志芬;  李健;  李俏;  邓光兵;  龙海;  赵国华;  余懋群
1中国科学院成都生物研究所 成都 610041 2中国科学院大学 北京 100049 3西南大学食品科学学院 重庆 400716 4甘孜藏族自治州农业科学研究所 康定 626000
Author(s):
TANG Shanshan;  GU Nan;  PAN Zhifen;  LI Jian;  LI Qiao;  DENG Guangbing;  LONG Hai;  ZHAO Guohua;  YU Maoqun
1Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China 2University of Chinese Academy of Sciences, Beijing 100049, China 3College of Food Science, Southwest University, Chongqing 400716, China 4Ganzi Tibetan Autonomous Prefecture Institute of Agricultural Sciences, Kangding 626000, China
关键词:
青稞; β-葡聚糖; 发芽; 麦芽
Keywords:
hull-less barley;  β-glucan;  germination;  malt
分类号:
S512.301
DOI:
10.3724/SP.J.1145.2015.02012
文献标志码:
A
摘要:
青稞麦芽是青稞加工的重要中间产物，β-葡聚糖是青稞籽粒中一种重要的组成成分，对青稞加工工艺及产品的营养价值有很大的影响，研究青稞发芽过程中β-葡聚糖含量的动态变化对指导青稞麦芽生产具有重要的意义. 选择15份β-葡聚糖含量有差异的青稞材料，研究其在发芽96 h过程中0-24 h、24-48 h、48-72 h、72-96 h四个不同发芽时期β-葡聚糖含量的变化，以及β-葡聚糖含量对啤酒麦芽浸出物含量和麦芽汁粘度的影响. 结果发现：供试青稞的β-葡聚糖含量在0-24 h阶段下降最明显，发芽96 h后青稞籽粒中β-葡聚糖含量平均降解了53.13%；品种间β-葡聚糖降解率及降解模式有明显差异；β-葡聚糖含量与啤酒麦芽的浸出物呈负相关（r = -0.7236）. 本研究表明，青稞在发芽中不同时期β-葡聚糖降解率有很大差异，而且不同材料β-葡聚糖降解模式可能不同，因而实践中可根据需要选择特定的材料及控制发芽时间生产优质麦芽.
Abstract:
For improving hull-less barley malt quality with desirable β-glucan content through controlling germination process, this study investigated the change of β-glucan content of hull-less barley during germination and the impact of such change on beer malt extract and wort viscosity. A total of 15 hull-less barley accessions were chosen to monitor the change of β-glucan content by Megazyme β-glucan Assay Kits at the germination periods of 0–24 h, 24–48 h, 48–72 h and 72–96 h. The malt extract and wort viscosity were also measured after germinating for 96 hours. As a result, β-glucan content of most hull-less barley accessions showed a sharp decrease during the 0–24 h malting, and declined by an average of 53.13% after 96 h malting. Obvious differences in the β-glucan degradation rate and degradation patterns were observed among hull-less barley accessions with different β-glucan content. The β-glucan content showed no effect on wort viscosity but was negatively correlated to malt extract (r = -0.7236). The results lay a foundation for preparation of high quality hull-less barley malts with desirable β-glucan content.

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备注/Memo

备注/Memo:
国家自然科学基金项目（31101150）和中国科学院“西部之光”人才培养计划项目资助 Supported by the National Natural Science Foundation of China (31101150) and the “Western Light” Foundation of the Chinese Academy of Sciences
更新日期/Last Update: 2015-08-24