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Title 

Concentration of tocopherols from soybean sludge by supercritical carbon dioxide

Authors 

Huen LeeBong Hyun ChungYoung Hoon Park

Publisher 

American Oil Chemists' Society

Issue Date 

1991

Citation 

Journal of American Oil Chemical Society, vol. 68, no. 8, pp. 571-573

Keywords 

Extractionsolubilitysoybean oilsupercritical carbon dioxidetocopherols

Abstract 

A supercritical fluid extraction method has been applied to test the feasibility of tocopherol concentration from soybean sludge with carbon dioxide at temperatures and pressures ranging from 35 to 70°C and 200 to 400 bar, respectively. The supercritical solubility of the esterified soybean sludge was over 4-6 times greater than that of the original soybean sludge. By a simple batch-type one-stage method the tocopherols in the esterified soybean sludge could be concentrated up to 40 wt%. The overall results of the present study show that soybean sludge initially containing about 13-14 wt% tocopherols may require a countercurrent multistage column to be highly and effectively concentrated.

ISSN 

0003-021X

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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