Liquid purification or separation – Processes – Treating by enzyme
Patent
1984-06-14
1986-04-01
Wyse, Thomas
Liquid purification or separation
Processes
Treating by enzyme
210638, 426 32, 426657, 435272, C02F 144, A23J 300
Patent
active
045796602
ABSTRACT:
The invention relates to a method for treatment of the biomass. The crude biomass is hydrolyzed by means of a proteolytic enzyme, the dissolved hard particles are separated from the total hydrolyzate by rough filtration, and the filtrated enzymatic hydrolyzate is submitted to membrane separation through semipermeable membranes.
All of the steps are carried out at mild operating conditions, which preserves the structure and composition of the nonproteinic compounds. The use of organic solvents is entirely avoided, resulting in a safer process. The available proteins are extracted from the total mass as a protein hydrolyzate, which is easily digested. The final product yield is 92-95% amino acids. Gel chromatographic analysis of the final product shows that the free amino acids and the peptides have a molecular weight of 1000 to 4000 Daltons.
REFERENCES:
patent: 4262022 (1981-04-01), Hald-Christensen et al.
patent: 4267049 (1981-05-01), Erickson et al.
patent: 4342650 (1982-08-01), Erickson et al.
Idakieva Krassimira N.
Lilova Antoaneta A.
Marekov Nikolay L.
Nedkov Peter T.
Stoilov Ivan L.
Edinen Centar Po Chimia
Wyse Thomas
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