FOOD SCIENCE ›› 2013, Vol. 34 ›› Issue (3): 102-104.

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Effect of glycerol addition on properties of gelatin-pullulan-based edible films

  

  • Received:2011-11-30 Revised:2013-01-10 Online:2013-02-15 Published:2017-12-29

Abstract: The effect of glycerol addition on mechanical properties, color, water-vapor transmission ratio, oxygen transmission ratio, lipid transmission ratio and water solubility of gelatin-pullulan based edible film was evaluated. The results indicated that the elongation at break of gelatin-pullulan composite film was 31 times of that without glycerol, while the oxygen transmission ratio, water solubility and color were ameliorated. On the other hand, the tensile strength of the composite film was decreased and its water-vapor transmission ratio increased.

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