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Enzymatic production of xylooligosaccharides from alkali solubilized xylan of natural grass (Sehima nervosum)

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Title Enzymatic production of xylooligosaccharides from alkali solubilized xylan of natural grass (Sehima nervosum)
Not Available
 
Creator Samanta AK
Jayapal N
Kolte AP
Senani S
Manpal S
Suresh KP
Sampath KT.
 
Subject Animal nutrition
Sehima nervosum grass
Xylan
Xylooligosaccharide
Lignocellulosic biomass
RSM
 
Description Not Available
In this study, a process for producing XOS from Sehima nervosum grass was developed. The grass contains 28.1% hemicellulose. NaOH and steam application yielded 98% of original xylan in contrast to 85% by KOH application. Hydrolysis of xylan with commercial xylanase caused breakdown into XOS comprising of xylobiose, xylotriose along with xylose. Response surface model (RSM) revealed highest xylobiose yield (11 g/100g xylan) at pH 5.03, temperature 45.19°C, reaction time 10.11h with enzyme dose 17.41 U. Similarly for maximizing xylotriose yield, ideal hydrolysis conditions were pH 5.11, temperature 40.33°C, reaction time 16.55 h with enzyme dose 13.20 U. A two step process encompassing xylan fractionation and enzymatic hydrolysis enabled XOS production from the S. nervosum grass.
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Date 2021-08-04T05:35:58Z
2021-08-04T05:35:58Z
2012-01-01
 
Type Journal
 
Identifier Samanta AK, Jayapal N, Kolte AP, Senani S, Manpal S, Suresh KP and Sampath KT. 2012. Enzymatic production of xylooligosaccharides from alkali solubilized xylan of natural grass (Sehima nervosum). Bioresource Technology, 112: 199-205.
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http://krishi.icar.gov.in/jspui/handle/123456789/52808
 
Language English
 
Relation Not Available;
 
Publisher Not Available