Process for selectively extracting dyestuffs contained in cyanop

Details Process for selectively extracting dyestuffs contained in cyanop Process for selectively extracting dyestuffs contained in cyanop

1980-04-04

1982-03-16

Hunter, Jeanette M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

426540, 426429, 426431, 426481, 435 67, 435946, 8646, 424 63, A23L 1275

Patent

active

043200508

ABSTRACT:
Process for extracting dyestuffs and particularly a blue pigment, called phycocyanine, from cyanophyceae algae, particularly of the Spirulina species, comprising contacting said algae with a first aqueous phase containing calcium ions, separating therefrom the mass of algae and contacting it with a second aqueous phase of alkaline character, separating the algae therefrom and extracting phycocyanine from said second aqueous phase by subjecting the same to an ultrafiltration step for concentrating the solution and then to a drying step.

REFERENCES:
patent: 2949700 (1960-08-01), Kathrein
patent: 3108402 (1963-10-01), Kathrein
patent: 4021303 (1977-05-01), Nakabayashi

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