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首页> 外文期刊>Journal of dairy research >Ultra-high pressure homogenisation of milk: technological aspects of cheese-making and microbial shelf life of a starter-free fresh cheese
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Ultra-high pressure homogenisation of milk: technological aspects of cheese-making and microbial shelf life of a starter-free fresh cheese

机译:牛奶的超高压均质化:奶酪制造的技术方面和无发酵剂的新鲜奶酪的微生物保质期

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摘要

Fresh cheeses from pasteurised (80 ℃ for 15 s), homogenised-pasteurised (15 + 3 MPa at 60 ℃; 80 ℃ for 15 s) or ultra-high pressure homogenised milks (300 MPa and inlet temperature of 30 ℃) were produced in order to evaluate different technological aspects during cheese-making and to study their microbial shelf life. Although the coagulation properties of milk were enhanced by ultra-high pressure homogenisation (UHPH), the cheese-making properties were somewhat altered; both conventional homogenisation and UHPH of milk provoked some difficulties at cutting the curd due to crumbling and improper curd matting due to poor cohesion of the grains. Cheese-milk obtained by UHPH showed a higher microbiological quality than milk obtained by conventional treatments. Starter-free fresh cheeses made from UHPH-treated milk showed less syneresis during storage and longer microbiological shelf-life than those from conventionally treated milk samples.
机译:由巴氏杀菌(80℃持续15 s),均质巴氏杀菌(60℃时15 + 3 MPa; 80℃15 s)或超高压均质牛奶(300 MPa和入口温度30℃)生产的新鲜奶酪目的是评估奶酪制作过程中的不同技术方面,并研究其微生物保质期。尽管通过超高压均质化(UHPH)增强了牛奶的凝结特性,但奶酪的制造特性还是有所改变。牛奶的常规均质化和UHPH均由于碎粒破碎以及由于谷物内聚力差而导致的凝结不当而在切割凝乳方面造成了一些困难。通过UHPH获得的奶酪-牛奶显示出比通过常规处理获得的牛奶更高的微生物质量。与常规处理的牛奶样品相比,用UHPH处理过的牛奶制成的无发酵剂的新鲜奶酪在储存过程中表现出更少的脱水收缩,并具有更长的微生物保质期。

著录项

  • 来源
    《Journal of dairy research》 |2012年第2期|p.168-175|共8页
  • 作者单位

    Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA Consolider Group, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;

    Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA Consolider Group, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;

    Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA Consolider Group, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;

    Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA Consolider Group, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;

    Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA Consolider Group, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ultra-high pressure homogenisation; starter-free cheese; cheese-making; microbiological quality;

    机译:超高压均质化;不含干酪的奶酪;奶酪制作;微生物质量;

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