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Development of edible ink
  
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KeyWord:edible ink  green packaging material  caramel pigment  soybean oil
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Author NameAffiliation
QIU Baowei, ZOU Qian, WANG Shuyao，etc  
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Abstract:
      The edible materials(caramel pigment, soybean oil, glucose, xanthan gum, soybean lecithin, citric acid, etc) were used to develop a new type of edible ink which met the requirements of both the printability and the people's consumption. By adjusting the dosage of the xanthan gum in the ink system and the ratio of distilled water to soybean oil, the viscosity, density, firmness, glossiness, fluidity and chroma difference of the ink were determined so as to explore the best raw material ratio of ink. The results showed that the optimal formula of the comprehensive test was obtained as follows: xanthan gum dosage 0.35 g and mass ratio of water to oil 1∶?1. The dosage of xanthan gum and the mass ratio of water to oil affected the stability of the ink system. The stable ink system had better comprehensive printability.
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