RO65397B1 - Procedeu de obtinere a unei celulaze pure - Google Patents

Procedeu de obtinere a unei celulaze pure

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Publication number
RO65397B1
RO65397B1 RO89504A RO8950477A RO65397B1 RO 65397 B1 RO65397 B1 RO 65397B1 RO 89504 A RO89504 A RO 89504A RO 8950477 A RO8950477 A RO 8950477A RO 65397 B1 RO65397 B1 RO 65397B1
Authority
RO
Romania
Prior art keywords
thawing
water
followed
cellulase
precipitate
Prior art date
Application number
RO89504A
Other languages
English (en)
Inventor
MîRZA MARIA
Dumitru Ioan
Iordachescu Dana
Niculescu Stelian
Original Assignee
Institutul Roman De Cercetari Marine
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul Roman De Cercetari Marine filed Critical Institutul Roman De Cercetari Marine
Priority to RO89504A priority Critical patent/RO65397B1/ro
Publication of RO65397B1 publication Critical patent/RO65397B1/ro

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  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Procedeu de obtiere a unei celulaze pure, caracterizat prin aceea ca consta prin folosirea ca materie prima a unor nevertebrate marine care dupa o omogenizare fina urmata de înghet-dezghet se supun la trei extractii succesive cu apa hidromodul 1:3 greutate/volum timp 48, 24, 24h fiecare la temperatura de 2...5 degree C dupa care urmeaza o separare a fazei lichide în care se introduce celuloza 20g/1000 cm3 lichid sau carboximetilceluloza (1:20 greutate/colum) si dupa o pauza de 30 minute la 4 degree C se izoleaza prin centrifugare, celulaza fixata se extrage cu fosfat disodic 0,2 M (100 ml/40 g) la temperatura de 20 degree C în doua etape de 24 h fiecare si cu NaCl 5% 100 ml/40 g, de asemenea în 2 faze de 20 h fiecare în lichidele reunite se adauga sulfat de amoniu 60% saturatie si se separa precipitatul format dupa o sedimentare de o ora la 4 degree C, apoi precipitatul se reia cu apa 1: greutate/volum si se dializeaza 10h fata de un curent de apa distilata, iar pentru activare enzima se trateaza cu o solutie de ZnCl2 în concentratie de 1 niu gZn la 2+ la 27,5 mg proteina.
RO89504A 1977-02-24 1977-02-24 Procedeu de obtinere a unei celulaze pure RO65397B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO89504A RO65397B1 (ro) 1977-02-24 1977-02-24 Procedeu de obtinere a unei celulaze pure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO89504A RO65397B1 (ro) 1977-02-24 1977-02-24 Procedeu de obtinere a unei celulaze pure

Publications (1)

Publication Number Publication Date
RO65397B1 true RO65397B1 (ro) 1983-08-30

Family

ID=40902958

Family Applications (1)

Application Number Title Priority Date Filing Date
RO89504A RO65397B1 (ro) 1977-02-24 1977-02-24 Procedeu de obtinere a unei celulaze pure

Country Status (1)

Country Link
RO (1) RO65397B1 (ro)

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