2010•Xiandai shipin kejiRequires access

Extraction of red pigment from sorghum.

Hongyu Zhang, Lv YuZhang, Tao Li

Abstract

The ethanol extraction of red pigment from sorghum was studied and the stability of the pigment was also investigated.The results showed that the best technology was as follows:solid-liquid ratio of 1:5,temperature of 60 ℃,ethanol concentration of 65% and reaction time of four hours.The pigment showed high stability in light and was stable even at 85 ℃.

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Available abstract

Key concepts: Pigment, Extraction (chemistry), Ethanol, Sorghum, Chemistry, Chromatography, Food science, Botany