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Degradation kinetics of monacolin K in red yeast rice powder using multiresponse modeling approach

机译:多响应模型法研究莫纳可林K在红曲米粉中的降解动力学

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摘要

The effects of storage temperature (4, 20,30,40, 50℃) and atmospheric conditions in packages (vacuum, atmospheric) on degradation kinetics of monacolin K, an antihypercholesterolemic agent, in red yeast rice powder were investigated using multiresponse modeling approach. Storage of red yeast rice powder at 4℃ under vacuum package was found to enhance retention of monacolin K. Multiresponse modeling revealed degradation path of monacolin K acid form into their dehydromonacolin K and unknown product under vacuum package, while oxidized product was also formed under atmospheric package. Monacolin K lactone form and precursor were degraded into dehydromonacolin K lactone form, while degradation of dehydromonacolin K lactone form to unknown was more pronounced at temperature higher than 30℃. Oxidized product was also generated from monacolin K lactone form in atmospheric package. High activation energy of monacolin K degradation in acid form indicated that degradation of monacolin K to their dehydromonacolin K was more susceptible to temperature change as compared to lactone form.
机译:采用多响应模型研究了包装中的储存温度(4、20、30、40、50℃)和包装中的大气条件(真空,大气)对红曲米粉中莫纳可林K(一种降胆固醇药)的降解动力学的影响。发现红曲米粉在真空包装下于4℃储存可增强莫纳可林K的保留。多响应模型表明,在真空包装下,莫纳可林K酸形式的降解路径转化为其脱氢莫纳可林K和未知产物,而氧化产物也在常压下形成。包。莫纳可林K内酯形式和前体被降解为脱氢莫纳可林K内酯形式,而脱氢莫纳可林K内酯形式在高于30℃的温度下降解为未知。大气包装中的莫纳可林K内酯形式也产生了氧化产物。酸形式的莫纳可林K降解的高活化能表明,与内酯形式相比,莫纳可林K降解为其脱氢莫纳可林K更容易受到温度变化的影响。

著录项

  • 来源
    《Journal of food engineering》 |2013年第2期|436-443|共8页
  • 作者单位

    Division of Biotechnology, School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkhuntien, Bangkok 10150, Thailand;

    Department of Food Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Thungkru, Bangkok 10140, Thailand;

    Biochemical Engineering and Pilot Plant Research and Development Unit, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development, Agency at King Mongkut's University of Technology Thonburi, Bangkhuntien, Bangkok 10150, Thailand;

    Division of Biotechnology, School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkhuntien, Bangkok 10150, Thailand;

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

    degradation; kinetics; modeling; monacolin K; storage; red yeast rice;

    机译:降解;动力学;造型;莫纳可林K;存储;红色酵母米;

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