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Volume 21 Issue 1
Apr.  2012
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CHEN Li-xuan, SU Ming-hua, CHEN Yi-liang. Study on the stability of red pigment from waxberry[J]. Fujian Journal of Agricultural Sciences, 2006, 21(1): 72-75.
Citation: CHEN Li-xuan, SU Ming-hua, CHEN Yi-liang. Study on the stability of red pigment from waxberry[J]. Fujian Journal of Agricultural Sciences, 2006, 21(1): 72-75.

Study on the stability of red pigment from waxberry

  • Received Date: 2005-03-21
  • Rev Recd Date: 2005-07-20
  • Publish Date: 2006-03-15
  • The effects of pH value, temperature, light, metal ions and additives on the stability of red pigments from waxberry were studied.The results showed that the pigments were very sensible to acidity and alkalinity, and had a poor thermal stability, and oxidants (hydrogen peroxide),reductants (sulfite sodium) and the preservative (sodium benzoate) obviously degraded the tone of pigment.Citric acid, sodium chloride and vitamin C had influences on improving the pigments and sucrose had little influence on the pigment stability.The existence of Fe2+ and Cu2+ could increase the absorbance of the juice and make the color of juice darker,and K+,Ca2+,Na+and Zn2+ had little effects on the pigments.Exposure to indoor natural radiation and ultraviolet degraded the tone of pigments and dark room storage was good for the juice stability.
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  • [1]
    斐尼马.食品化学[M].北京:中国轻工业出版社,1991:464-468.
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