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首页> 外文期刊>Journal of food engineering >Effects of inlet air temperature and spray rate of coating solution on quality attributes of turmeric extract coated rice using top-spray fluidized bed coating technique
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Effects of inlet air temperature and spray rate of coating solution on quality attributes of turmeric extract coated rice using top-spray fluidized bed coating technique

机译：顶喷流化床包衣技术对进气温度和包衣液喷雾速率对姜黄提取物包衣大米品质特性的影响

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摘要

The addition of natural antioxidants onto white rice kernel can improve its functionality. Curcuminoids that present in turmeric rhizomes possess high antioxidant activity and heat stability. The objective of this study was to investigate the effects of inlet air temperatures and spray rates of turmeric extract solution on quality attributes of the turmeric extract coated rice (TCR) using the top-spray fluidized bed coating technique. The experimental results have shown that inlet air temperature and spray rate of coating solution strongly affected the final moisture content and percentage of fissured kernel of TCR. Almost all of TCR kernels in the bed cracked when their final moisture content was lower than 11.8% wet basis. However, the head coated rice yield of fissured TCR slightly decreased from that of white rice. The color of TCR was uniform over the entire surface. Texture of cooked TCR insignificantly changed from that of uncoated sample. Increasing spray rate provided higher both total phenolic content (TPC) and total antioxidant capacity (TAC) whilst increasing inlet temperature yielded lower TPC but it did not affect TAC. Retentions of TPC and TAC of TCR after cooking remained higher than 90%.
机译：在白米仁中添加天然抗氧化剂可以改善其功能。姜黄根茎中存在的姜黄素具有很高的抗氧化活性和热稳定性。这项研究的目的是研究使用顶喷流化床包衣技术研究姜黄提取物溶液的进气温度和喷雾速率对姜黄提取物包衣大米（TCR）质量属性的影响。实验结果表明，进气温度和包衣溶液的喷雾速率对TCR的最终含水量和裂化仁的百分含量有很大影响。当最终水分含量低于11.8％湿基时，床中几乎所有TCR核都会开裂。但是，裂变TCR的头皮大米产量比白米略有下降。 TCR的颜色在整个表面上均一。煮熟的TCR的质地与未涂层样品的质地无关紧要。喷雾速率的增加可提供更高的总酚含量（TPC）和总抗氧化剂容量（TAC），而升高的入口温度可产生更低的TPC，但它不会影响TAC。蒸煮后TPC的TPC和TCR的TAC保留率仍高于90％。

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  • 来源
    《Journal of food engineering》 |2013年第1期|132-138|共7页
  • 作者

    Arkom Palamanit; Somchart Soponronnarit; Somkiat Prachayawarakorn; Patcharee Tungtrakul;

  • 作者单位

    Energy Technology Division, School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit Road, Bangmod, Thungkhru,Bangkok 10140, Thailand;

    Energy Technology Division, School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit Road, Bangmod, Thungkhru,Bangkok 10140, Thailand;

    Department of Chemical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit Road, Bangmod, Thungkhru,Bangkok 10140, Thailand;

    Institute of Food Research and Product Development, Kasetsart University, 50 Phahonyothin Road, Ladyaow, Chatuchak, Bangkok 10900, 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

    antioxidant activity; coated rice; fluidized bed coating; healthy foods; turmeric;

    机译：抗氧化活性包饭流化床涂料;健康食品;姜黄;

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