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Study on Extraction Technology of Trehalose from Waste Beer Yeast

Guan Feng-mei

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Abstract

Extraction technology of trehalose from waste beer yeast was studied in this paper. The extraction rate of trehalose could reach 91.71 % under the following conditions: alcohol concentration 60 %(v/v),temperature at 80±1 ℃,90 min extraction time and the concentration of yeast as 100 g/L.The solution was decolorized by active carbon,and then desalted and decolorized by ion-exchange technique, then condensed and crystallized and dried. The purity of produced trehalose was as high as 96.85 %.

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What this paper is about

Extraction technology of trehalose from waste beer yeast was studied in this paper. The extraction rate of trehalose could reach 91.71 % under the following conditions: alcohol concentration 60 %(v/v),temperature at 80±1 ℃,90 min extraction time and the concentration of yeast as 100 g/L.The solution was decolorized by active carbon,and then desalted and decolorized by ion-exchange technique, then condensed and crystallized and dried. The purity of produced trehalose was as high as 96.85 %.

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Available abstract

Extraction technology of trehalose from waste beer yeast was studied in this paper. The extraction rate of trehalose could reach 91.71 % under the following conditions: alcohol concentration 60 %(v/v),temperature at 80±1 ℃,90 min extraction time and the concentration of yeast as 100 g/L.The solution was decolorized by active carbon,and then desalted and decolorized by ion-exchange technique, then condensed and crystallized and dried. The purity of produced trehalose was as high as 96.85 %.

Key concepts: Trehalose, Yeast, Extraction (chemistry), Chemistry, Active carbon, Food science, Chromatography, Ion-exchange resin

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