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首页> 外文期刊>Materials science & engineering >Mixture design for evaluation of potassium sorbate and xanthan gum effect on properties of tapioca starch films obtained by extrusion
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Mixture design for evaluation of potassium sorbate and xanthan gum effect on properties of tapioca starch films obtained by extrusion

机译：评估山梨酸钾和黄原胶对挤出法制木薯淀粉膜性能影响的混合设计

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摘要

A mixture experimental design was used to study the physical and microbiological properties of tapioca starch-glycerol based edible films added with xanthan gum (XG) and potassium sorbate (PS) and obtained by extrusion technology. The results showed that PS presence decreased the ultimate tensile strength and elastic modulus and increased strain at break. XG produced a reinforcing effect on the films and also enhanced solubility in water and decreased moisture content. The analysis revealed significant interactions between components in the mixture. The water vapor permeability values ranged from 3.72 × 10~(10) to 6.4 × 10~(10)g/m s Pa. The PS concentration was not affected by the extrusion process and the preservative was available to act as an antimicrobial agent. Extruded films made from biopolymers showed a potential application in food technology as an active packaging.
机译：混合实验设计用于研究添加了黄原胶（XG）和山梨酸钾（PS）的木薯淀粉-甘油基可食用膜的物理和微生物特性，并通过挤出技术获得。结果表明，PS的存在降低了极限拉伸强度和弹性模量，并增加了断裂应变。 XG对薄膜产生增强作用，还增强了其在水中的溶解度并降低了水分含量。分析显示混合物中各组分之间存在明显的相互作用。水蒸气渗透率值在3.72×10〜（10）至6.4×10〜（10）g / m s Pa的范围内。PS的浓度不受挤压过程的影响，并且可以用作防腐剂。由生物聚合物制成的挤出薄膜在食品技术中显示出作为活性包装的潜在应用。

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  • 来源
    《Materials science & engineering》 |2010年第1期|196-202|共7页
  • 作者

    Silvia Karina Flores; Daryne Costa; Fabio Yamashita; Lia Noemi Gerschenson; Maria Victoria Grossmann;

  • 作者单位

    Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon de Industries, Ciudad Universitaria, (1428) Buenos Aires, Argentina Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) de la Republica Argentina;

    Departamento de Tecnologia de Alimentos e Medicamentos, Universidade Estadual de Londrina, CP 600), 86051-970 Londrina, PR, Brazil;

    Departamento de Tecnologia de Alimentos e Medicamentos, Universidade Estadual de Londrina, CP 600), 86051-970 Londrina, PR, Brazil;

    Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon de Industries, Ciudad Universitaria, (1428) Buenos Aires, Argentina Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) de la Republica Argentina;

    Departamento de Tecnologia de Alimentos e Medicamentos, Universidade Estadual de Londrina, CP 600), 86051-970 Londrina, PR, Brazil;

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  • 正文语种 eng
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  • 关键词

    mixture experimental design; extrusion; films; physical properties; antimicrobial performance; biopolymers;

    机译：混合实验设计;挤压;电影;物理性质抗菌性能生物聚合物;

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