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Barrier Properties and Surface Characteristics of Edible, Bilayer Films

机译:Barrier Properties and Surface Characteristics of Edible, Bilayer Films

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摘要

ABSTRACTVarious formulations and methods of fabricating a film consisting of edible hydrocolloids and lipids were investigated. Two formulations consisting of a methylcellulose base layer and a beeswax layer, deposited either from a molten state (Wax‐M film) or from an ethanolic solution (Wax‐S film), were examined for water vapor permeability (WVP), oxygen permeability and other physical properties. WVP values (g‐mil‐m−2‐day−1‐mm Hg−1) for the Wax‐M and Wax‐S films were 0.5 ± 0.05 and 1.6 ± 0.4, respectively. WVP of the two films did not change significantly after storage for 1 wk at ‐40°C. Oxygen permeability values (g‐cm‐cm−2‐sec−1‐mm Hg−1× 10−12) for the Wax‐M and Wax‐S films were 0.021 ± 0.002 and 0.007 ± 0.002, respectively. The Wax‐M film had a

著录项

  • 来源
    《journal of food science》 |1989年第6期|1393-1399|共页
  • 作者

    I.K. GREENER; O. FENNEMA;

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

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