Method for the purification of a bifidobacteria-proliferating su

Details Method for the purification of a bifidobacteria-proliferating su Method for the purification of a bifidobacteria-proliferating su

1991-08-30

1992-10-06

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210766, 210774, B01D 6116

Patent

active

051528975

ABSTRACT:
A method for the purification of a bifidobacteria-proliferating substance is provided which comprises adjusting the temperature of soybean whey to 50.degree. to 100.degree. C. and the pH thereof to 6.5 to 10 either by adding an alkaline substance to the whey and heating it or by heating the whey and adding the alkaline substance, removing the formed precipitate, ultrafiltering the resulting liquid phase part to obtain as the permeate an aqueous solution of a bifidobacteria-proliferating substance, and if necessary subjecting the permeate to further purification steps, i.e. active carbon or adsorbing resin treatment, electrodialysis and ion exchange resin treatment. By the step of the alkali substance treatment and heating in this invention, permeate flux in the succeeding ultrafiltration step is remarkably enhanced. Further, a bifidobacteria-proliferating substance having a high quality can effectively be obtained by the present purification method.

REFERENCES:
patent: 4054679 (1977-10-01), Melcer et al.
patent: 4071406 (1978-01-01), Kanda
patent: 4482574 (1984-11-01), Lee
patent: 4902673 (1990-02-01), Hayakawa et al.

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