FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (8): 87-90.

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 CHENG  Chao, WANG  Xing-Ping, MO  Kai-Ju, ZHOU  Zhi-Hu, ZHANG  Jia-Nian   

  • Online:2002-08-15 Published:2011-12-31

Abstract: Using Nostoc sphaeroides as raw material, the color-preserving technology was studied.The results were obtainedas follows: the cleaned Nostoc sphaeroides of the same size were immersed in 400×10-6 Zn2+ solution at 30℃for one day。Then washing them with running water,blanched for 1.5min at 90℃ in color-preservmg solution with the ratio of 400×10-6Zn2+:citric acid:100ppm EDTA as 3:2:3 respectively.

Key words: Nostoc sphaeroides , Nutritive composition , Color-keeping