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Physical properties of edible emulsified films based on carboxymethyl cellulose and oleic acid.

International journal of biological macromolecules (2010-10-06)
Babak Ghanbarzadeh, Hadi Almasi
ABSTRACT

Glycerol and oleic acid (OA) were incorporated into carboxymethyl cellulose (CMC) films by an emulsification method. Films containing different amounts of glycerol and OA were examined for mechanical properties, water vapor permeability (WVP), and moisture uptake, optical and thermal properties. Addition of OA to the CMC films significantly improved the barrier property. However, the effect of OA on the mechanical properties was lower than glycerol. By increasing of OA content, the cloudiness of the CMC films was intensified and Hunter value (b) of the films increased (by ca. 35.8%).

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
羧甲基纤维素 钠盐, low viscosity
Sigma-Aldrich
羧甲基纤维素 钠盐, Medium viscosity
Sigma-Aldrich
羧甲基纤维素 钠盐, High viscosity
Sigma-Aldrich
羧甲基纤维素 钠盐, medium viscosity
Sigma-Aldrich
羧甲基纤维素 钠盐, ultra high viscosity, highly purified