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首页> 外文期刊>Journal of food process engineering >Solubility as a fundamental variable in the characterization of wall material by spray drying of food components: Application to microencapsulation of Bifidobacterium animalis subsp lactis
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Solubility as a fundamental variable in the characterization of wall material by spray drying of food components: Application to microencapsulation of Bifidobacterium animalis subsp lactis

机译:溶解度是通过食品成分喷雾干燥表征壁材料的基本变量:在动物双歧杆菌乳亚种微囊化中的应用

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摘要

The physical and chemical properties of wall materials used in the microencapsulation of active compounds obtained by spray drying determine their application and incorporation into food matrices. Mixtures of 20% wt/wt protein and gum arabic in the following proportions were spray-dried: 75:25 50:50 25:75. The proteinaceous materials used were whole milk powder, soy protein isolate, and skimmed milk powder. The solubility, hygroscopicity, water activity, moisture, bulk density, and the morphology of the powders were evaluated. The physicochemical characterization revealed that increasing the gum arabic concentration in the dispersion to be encapsulated leads to increases in the hygroscopicity and solubility of the powders. In turn, the solubility was increased at low protein concentrations in skimmed milk powder. In conclusion, the physicochemical characterization of spray-dried powders ensures that the selected wall material possesses the necessary requirements for application in various food matrices. The microorganism probiotics have been widely used in the food industry interested in improving the human health and can be conserved by spray drying using different wall materials.
机译:通过喷雾干燥获得的活性化合物的微囊化所使用的壁材料的物理和化学性质决定了它们的应用以及是否掺入食品基质中。将以下比例的20%wt / wt蛋白和阿拉伯树胶的混合物喷雾干燥:75:25 50:50 25:75。使用的蛋白质材料是全脂奶粉,大豆分离蛋白和脱脂奶粉。评价了粉末的溶解性,吸湿性,水活度,水分,堆积密度和粉末的形态。物理化学特征表明,增加要包封的分散体中阿拉伯树胶的浓度会导致粉末的吸湿性和溶解度增加。反过来,在脱脂奶粉中低蛋白质浓度下,溶解度增加了。总之,喷雾干燥粉末的物理化学特性可确保所选壁材料具有适用于各种食品基质的必要要求。微生物益生菌已被广泛用于食品工业中,以改善人类健康,并且可以通过使用不同壁材进行喷雾干燥来保存。

著录项

  • 来源
    《Journal of food process engineering》 |2017年第6期|e12557.1-e12557.8|共8页
  • 作者单位

    Univ Nacl Colombia, Dept Ingn Quim, Campus Nubia Km 4 Via Magdalena, Manizales 127, Colombia;

    Univ Nacl Colombia, Dept Fis & Quim, Campus Nubia Km 4 Via Magdalena, Manizales 127, Colombia;

    Univ Nacl Colombia, Dept Ingn Quim, Campus Nubia Km 4 Via Magdalena, Manizales 127, Colombia;

  • 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
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