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首页> 外文期刊>Journal of food engineering >Analysing the dynamics of quality loss during precooling and ambient storage of pomegranate fruit
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Analysing the dynamics of quality loss during precooling and ambient storage of pomegranate fruit

机译：分析石榴果实的预冷和常温保存过程中质量损失的动态

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摘要

In this paper the spatiotemporal profile of quality loss of pomegranate fruit (cv. Wonderful) was investigated during precooling and simulated shelf conditions. The effects of relative humidity (RH) inside the cold room, polyliner inside the packaging and stack orientation on fruit quality loss were studied. Weight loss during the precooling operation ranged from 0.01 to 0.06% h(-1) of the initial fruit weight and was highest in stack without liner and inside non-humidified room (0.06% h(-1)). It was observed that fruit weight loss during precooling was minimised best in liner-based packaging. Results of the shelf life study demonstrated the importance of room humidification to preserve fruit quality. Storing fruit in a room at 95% RH minimised weight loss and best maintained fruit colour, firmness, size and chemical quality attributes of pomegranates. On the other hand, fruit stored at ambient condition (65% RH) up to 30 days had excessive weight loss (up that 29.13 +/- 1.49%), which led to shrivelling, deformed appearance and considerably reduced overall visual quality.
机译：本文研究了石榴果实（cv。Wonderful）在预冷和模拟货架条件下质量损失的时空分布。研究了冷藏室内的相对湿度（RH），包装内的多层衬垫和烟囱取向对果实品质损失的影响。预冷操作期间的重量损失为初始水果重量的0.01至0.06％h（-1），并且在没有衬板和未加湿房间内部的烟囱中重量损失最高（0.06％h（-1））。观察到，在基于内衬的包装中，预冷过程中的水果失重可最大程度地降低。保质期研究的结果表明，室内加湿对保持水果品质非常重要。将水果存放在相对湿度为95％的房间中，可最大程度减少体重减轻，并能最好地保持石榴的水果颜色，硬度，大小和化学品质属性。另一方面，在环境条件（65％RH）下储存长达30天的水果失重过多（高达29.13 +/- 1.49％），这导致萎缩，外观变形并显着降低整体视觉质量。

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  • 来源
    《Journal of food engineering》 |2019年第3期|166-173|共8页
  • 作者

    Mukama Matia; Ambaw Alemayehu; Berry Tarl Michael; Opara Umezuruike Linus;

  • 作者单位

    Stellenbosch Univ, Fac AgriSci, Dept Food Sci, Postharvest Technol Res Lab,South African Res Cha, Stellenbosch, South Africa;

    Stellenbosch Univ, Fac AgriSci, Dept Hort Sci, Postharvest Technol Res Lab,South African Res Cha, Stellenbosch, South Africa;

    Stellenbosch Univ, Fac AgriSci, Dept Hort Sci, Postharvest Technol Res Lab,South African Res Cha, Stellenbosch, South Africa;

    Stellenbosch Univ, Fac AgriSci, Dept Food Sci, Postharvest Technol Res Lab,South African Res Cha, Stellenbosch, South Africa|Stellenbosch Univ, Fac AgriSci, Dept Hort Sci, Postharvest Technol Res Lab,South African Res Cha, Stellenbosch, South Africa;

  • 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

    Punka granatum; Humidity management; Cold chain; Moisture loss; Liner; Market conditions;

    机译：朋克颗粒;湿度管理;冷链;水分损失;内衬;市场条件;

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