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Value addition of corn husks through enzymatic production of xylooligosaccharides

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Title Value addition of corn husks through enzymatic production of xylooligosaccharides
Not Available
 
Creator Samanta AK
Kolte AP
Elangovan AV
Dhali A
Senani S
Sridhar M
Suresh KP
Jayapal N
Jayaram C
Roy S
 
Subject Corn waste
xylan extraction
prebiotic
enzymatic process
XOS
 
Description Not Available
Corn husks are the major wastes of corn industries with meagre economic significance. The present study was planned for value addition of corn husk through extraction of xylan, followed by its enzymatic hydrolysis into xylooligosaccharides, a pentose based prebiotic. Compositional analysis of corn husks revealed neutral detergent fibre 68.87%, acid detergent fibre 31.48%, hemicelluloses 37.39%, cellulose 29.07% and crude protein 2.68%. Irrespective of the extraction conditions, sodium hydroxide was found to be more effective in maximizing the yield of xylan from corn husks than potassium hydroxide (84% vs. 66%). Application of xylanase over the xylan of corn husks resulted into production of xylooligosaccharides with different degree of polymerization namely, xylobiose and xylotriose in addition to xylose monomer. On the basis of response surface model analysis, the maximum yield of xylobiose (1.9 mg/ml) was achieved with the enzymatic hydrolysis conditions of pH 5.8, temperature 44°C, enzyme dose 5.7U/ml and hydrolysis time of 17.5h. Therefore, the corn husks could be used as raw material for xylan extraction vis a vis its translation into prebiotic xylooligosaccharides.
Not Available
 
Date 2018-11-24T16:54:33Z
2018-11-24T16:54:33Z
2016-01-01
 
Type Research Paper
 
Identifier Samanta AK, Kolte AP, Elangovan AV, Dhali A, Senani S, Sridhar M, Suresh KP, Jayapal N, Jayaram C and Roy S. 2016. Value addition of corn husks through enzymatic production of xylooligosaccharides. Brazilian Archives of Biology and Technology, 59:1-8, e16160078
1678-4324
http://krishi.icar.gov.in/jspui/handle/123456789/13195
 
Language English
 
Relation Not Available;
 
Publisher Instituto de Tecnologia do Paraná - Tecpar