Method for preparing antibacterial edible films
An antibacterial and edible technology, which is applied in the field of preparation of edible films, can solve the problems of insufficient antibacterial ability and off-white color, and achieve the effect of good film-forming effect, off-white color and low temperature
Active Publication Date: 2015-12-02
ZHEJIANG UNIV OF TECH
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Abstract
The invention discloses a method for preparing antibacterial edible films. The method includes adding polysaccharide materials and epsilon-polylysine into a stirring ball mill and enabling the polysaccharide materials and the epsilon-polylysine to carry out ball-milling reaction at the temperature of 25-50 DEG C for the reaction time of 5-10min to obtain polysaccharide and epsilon-polylysine compounds; adding water into the polysaccharide and epsilon-polylysine compounds, gelatin and glycerin to prepare film forming liquor; coating the film forming liquor to form the antibacterial edible films. A mass ratio of the polysaccharide materials to the epsilon-polylysine is 5:0.8-2.2. The method has the advantages that other solvents can be omitted in reaction procedures, the reaction time is short, the temperature is low, products have light colors, good film forming effects can be realized, the films obtained by the aid of the method have broad-spectrum antibacterial activity, and the toughness and the oxygen barrier capacity of the edible films can be improved.
Application Domain
Flexible coversWrappers +2
Technology Topic
Reaction timingSolvent +11
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PUM
Property | Measurement | Unit |
Diameter | 6.0 | mm |
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