Investigations into the underlying mechanisms of primary gushing in beverages through micro dynamic modelling

通过微观动力学模型研究饮料中初次喷出的潜在机制

基本信息

项目摘要

Gushing is the phenomenon of spontaneous uncontrollable foaming of non-agitated normally carbonized packaged drinks upon opening. When impacted by this phenomenon, producers not only experience financial loss due to repercussions of these faulty beverages, but also a tarnishing of reputation amongst consumers. Primary gushing is defined as gushing associated with the raw materials used and is of great scientific interest because the underlying mechanisms remain unclear.There has been a long established correlation within the malt based drinks industry between epidemics of primary gushing and cereal grown in unseasonably wet growing conditions. These wet growing conditions are well suited for the growth of particular Fusarium ssp. and it is hypothesized that hydrophobins produced by these Fusarium ssp., particularly HFBI and HFBII, are responsible for primary gushing. There remains, however, many uncertainties about the mechanism through which these hydrophobins would cause such a rapid expulsion of dissolved gas. A number of hypothesis have been postulated, including the stabilization of nano/micro bubbles by a hydrophobin monolayer thus creating nucleation points. However, the underlying mechanisms still require investigation.Through extensive experience related to the dynamic modelling of foams and bubbles in combination with the development of a bubble measurement cell, the applicant is in a unique position to gain a deeper understanding of the underlying mechanisms related to primary gushing. In the implemented bubble measurement cell, it is possible to inject individual bubbles under controlled conditions. With this measurement cell, the bubble development as a function of time can be recorded and analyzed using high speed cameras with microscopic lenses. These observations will be used in a Lattice Boltzmann method model to both validate the model and to explore through simulations the plausibility of the supposed mechanisms. These findings will be further verified through experimental observations using high speed cameras to observe the opening of malt based beverages which will be induced to gush through inoculation with HFBI and HFBII hydrophobins.
喷涌是非搅拌正常碳化包装饮料在打开时自发产生无法控制的泡沫的现象。当受到这种现象的影响时,生产商不仅由于这些有问题的饮料的影响而遭受经济损失,而且还损害了消费者的声誉。原始喷涌被定义为与所使用的原材料相关的喷涌,并且具有很大的科学兴趣,因为潜在的机制尚不清楚。在麦芽饮料行业中,原始喷涌的流行与在不合季节的潮湿生长条件下生长的谷物之间存在长期建立的相关性。这些潮湿的生长条件非常适合特定镰刀菌亚种的生长。并且假设由这些镰刀菌亚种,特别是HFBI和HFBII,是主要涌出的原因。然而,关于这些疏水蛋白引起溶解气体如此快速排出的机制仍然存在许多不确定性。已经提出了许多假设,包括通过疏水蛋白单层稳定纳米/微米气泡,从而产生成核点。然而,潜在的机制仍然需要调查。通过与泡沫和气泡的动态建模相关的丰富经验,结合气泡测量单元的开发,申请人处于独特的位置,以更深入地了解与主要涌出相关的潜在机制。在所实施的气泡测量单元中,可以在受控条件下注入单个气泡。使用这种测量单元,可以使用具有显微镜镜头的高速相机记录和分析作为时间函数的气泡发展。这些观测结果将用于格子玻尔兹曼方法模型,以验证模型,并通过模拟探索假设机制的可验证性。这些发现将通过使用高速摄像机观察麦芽基饮料的开孔的实验观察来进一步验证,所述麦芽基饮料将通过接种HFBI和HFBII疏水蛋白而诱导开孔。

项目成果

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Professor Dr.-Ing. Thomas Becker其他文献

Professor Dr.-Ing. Thomas Becker的其他文献

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{{ truncateString('Professor Dr.-Ing. Thomas Becker', 18)}}的其他基金

Magnetic millifluidic fractionation of a heterogeneous cell culture for statistically relevant ananlysis of age-dependent population development
异质细胞培养物的磁微流控分离,用于年龄依赖性群体发展的统计相关分析
  • 批准号:
    441672360
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Texture design of food biopolymers by 3D printing for modulation of odour/flavour perception
通过 3D 打印进行食品生物聚合物的纹理设计,以调节气味/风味感知
  • 批准号:
    405072578
  • 财政年份:
    2018
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Swarm intelligence based self-monitoring of bioprocesses
基于群体智能的生物过程自我监控
  • 批准号:
    383534822
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Biotechnological evaluation of temperature induced gene expression and metabolome modulation of self-cloning Saccharomyces yeast
自克隆酵母温度诱导基因表达和代谢组调节的生物技术评价
  • 批准号:
    269148392
  • 财政年份:
    2015
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Numerische Modellierung von Wärme- und Massentransportprozessen in Protein basierten Schäumen mittels Lattice-Boltzmann-Methoden
使用格子-玻尔兹曼方法对蛋白质泡沫中的热和质量传输过程进行数值模拟
  • 批准号:
    199440457
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Einfluss der Stickstoffassimilation und Genexpression auf sensorisch aktive Aminosäuremetabolite von Saccaromyces Hefen
氮同化和基因表达对酵母菌感觉活性氨基酸代谢物的影响
  • 批准号:
    195600675
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Physikalisches Imaging zur Struktur- und Texturerkennung bei der Fleischverarbeitung
用于肉类加工中结构和纹理识别的物理成像
  • 批准号:
    178318044
  • 财政年份:
    2010
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Zentrale Hochdruckeinrichtung, Thermofluiddynamische Effekte bei Scale-up
中央高压装置,放大过程中的热流体动力学效应
  • 批准号:
    5197508
  • 财政年份:
    1999
  • 资助金额:
    --
  • 项目类别:
    Research Units

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对新兴临床重要性的 FXIII 杂合错义突变的显性失活病理分子机制的功能研究
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