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Effect of kilning on the composition of protein and arabinoxylan in wheat malt

机译：蒸煮对麦芽蛋白质和阿拉伯木聚糖成分的影响

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摘要

To explore the effect of kilning on the quality of wheat malt, wheat variety LM21 was malted with three different kilning programmes. Protein composition and arabinoxylan, xylanase (EC 3.2.1.8) activity, diastatic power and free amino nitrogen (FAN) were evaluated. Arabinoxylan content and xylanase activity were monitored during the kilning process. The results showed that the malt obtained from the kilning programme A showed the highest diastatic power, Kolbach index, FAN and lowest wort viscosity. Total arabinoxylan content showed no significant change during the kilning process, while the water extractable arabinoxylan and the xylanase activity reached the maximum values at the kilning temperature of 55 degrees C, after which the xylanase activity decreased with the increase in kilning temperature. Extending kilning time at 40-50 degrees C increased the diastatic power, FAN and Kolbach index and reduced the wort viscosity. (C) 2019 The Institute of Brewing & Distilling
机译：为了探索蒸煮对小麦麦芽品质的影响，使用三种不同的蒸煮程序对LM21小麦品种进行了制麦。评估蛋白质组成和阿拉伯木聚糖，木聚糖酶（EC 3.2.1.8）活性，透析能力和游离氨基氮（FAN）。在蒸煮过程中监测阿拉伯木聚糖含量和木聚糖酶活性。结果表明，从煅烧程序A获得的麦芽显示出最高的渗透能力，Kolbach指数，FAN和最低的麦芽汁粘度。在沸腾过程中，总的阿拉伯木聚糖含量没有显着变化，而可水提取的阿拉伯木聚糖和木聚糖酶活性在55℃的沸腾温度下达到最大值，此后木聚糖酶活性随沸腾温度的升高而降低。在40-50摄氏度下延长煮沸时间会增加渗透能力，FAN和Kolbach指数并降低麦芽汁粘度。 （C）2019酿造与蒸馏研究所

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  • 来源
    《Journal of the Institute of Brewing》 |2019年第3期|288-293|共6页
  • 作者

    Guo Mengmeng; Xu Kang; Wang Zhenlin;

  • 作者单位

    Shandong Agr Univ, State Key Lab Crop Biol, Agron Coll, Tai An 271018, Shandong, Peoples R China|Shandong Agr Univ, Coll Food Sci & Engn, Key Lab Food Proc Technol & Qual Control Shandong, Tai An 271018, Shandong, Peoples R China;

    Shandong Agr Univ, Coll Food Sci & Engn, Key Lab Food Proc Technol & Qual Control Shandong, Tai An 271018, Shandong, Peoples R China;

    Shandong Agr Univ, State Key Lab Crop Biol, Agron Coll, Tai An 271018, Shandong, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wheat malt; kinling programmes; protein composition; arabinoxylan; xylanase;

    机译：小麦麦芽;kinling程序;蛋白质组成;阿拉伯辛;木聚糖酶;

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