METHOD OF PROCESSING RED ALGAE Russian patent published in 2011 - IPC A61K36/04 B01D11/02 

FIELD: chemistry.

SUBSTANCE: method of processing red algae (Tichocarpus crinitus and Chondrus armatus), in which distilled water is poured into the material and held, the aqueous solution is poured out, sodium bicarbonate is poured into the remaining algae and held, the extract is then separated by filtering from the algae residue, the hot extract is then diluted with distilled water, successively passed through a fabric filter, and then a cellulose cartridge, carrageenan is then twice extracted from the algae residue using a sodium bicarbonate solution; the second and third extracts are successively passed through a fabric filter and then through a cellulose cartridge, further all three extracts are merged and then heated, then distilled with distilled water and then subjected to ultrafiltration on membranes with maximum transmission capacity of 100 kDa to obtain an extract I, containing carrageenan with molecular weight higher than 100 kDa and an extract II, containing carrageenan with molecular weight less than 100 kDa, extract I is then trice concentrated and diluted with distilled water and high-molecular carrageenan is then deposited with ethyl alcohol and held, the residue is separated and dried, low-molecular carrageenan is then deposited from extract II using ethyl alcohol and held, the residue is separated and dried.

EFFECT: method enables to obtain specific carrageenan preparations with standard characteristics.

2 dwg, 2 ex