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An insight into the sequential changes in enzymatic activities during retting of jute (Corchorus spp. L.).

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Title An insight into the sequential changes in enzymatic activities during retting of jute (Corchorus spp. L.).
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Creator B. Majumdar, A. R. Saha, S. Sarkar, S. K. Sarkar, S. P. Mazumdar, L. Chattopadhyay and S. Barai
 
Subject Fibre quality, Jute, Microbial retting, Polygalacturonase
 
Description Not Available
Two large scale retting trials were conducted with and without microbial retting consortium in triplicate. The
retting water samples were collected every day at 24 hrs interval from both the trials. Polygalcturonase (PG), pectin lyase (PNL) and xylanase activities along with the pH were measured from the collected retting water samples following standard procedure. Fibre quality parameters were also studied from the resultant fibre obtained from both the retting trials. There was a sharp decrease in pH of retting liquor by 1.35 units and that of pectin lyase activity by 97.9 Uml-1 within 24 hrs of inoculation of microbial retting consortium. Thereafter,
higher pectin lyase (123.1 Uml-1), polygalacturonase (3.56 Iuml-1) and xylanase (0.818 IUml-1) activities were recorded during middle stage of retting. The enzyme activities were lower and non-significant at last stage of retting (11-14 days). The completion of retting without microbial consortium took longer time due to lower enzymatic activities as compared to microbial consortium mediated retting. The PG, PNL and xylanase enzymes released by the microbial consortium during retting of jute helped in faster biodegradation of pectin and xylan compared to control retting. Hence, the pre retting treatment of jute with microbial consortium is suggested for quick retting
ICAR-CRIJAF
 
Date 2021-08-24T08:40:13Z
2021-08-24T08:40:13Z
2021-05-01
 
Type Research Paper
 
Identifier Majumdar, B., A.R. Saha, S. Sarkar, S.K. Sarkar, S.P. Mazumdar, L. Chattopadhyay and S. Barai: An insight into the sequential changes in enzymatic activities during retting of jute (Corchorus spp. L.). J. Environ. Biol., 42, 636-643 (2021).
p-ISSN: 0254-8704 • e-ISSN: 2394-0379 • CODEN : JEBIDP
http://krishi.icar.gov.in/jspui/handle/123456789/60295
 
Language English
 
Publisher Triveni Enterprises