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Comparative efficiency of different pretreatment methods on enzymatic digestibility of Parthenium sp.

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Title Comparative efficiency of different pretreatment methods on enzymatic digestibility of Parthenium sp.
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Creator Pandiyan, K., Tiwari, R., Rana, S. Arora, A., Singh, S., Saxena A.K. and Lata Nain
 
Subject Marasmiellus palmivorus Biological pretreatment Enzymatic saccharication Parthenium sp.
 
Description Not Available
The potential of Parthenium sp. as a feedstock for enzymatic saccharication was investigated by using chemical and biological pretreatment methods. Mainly chemical pretreatments (acid and alkali) were compared with biological pretreatment with lignolytic fungi Marasmiellus palmivorus PK-27. Structural and chemical changes as well as crystallinity of cellulose were examined through scanning electron microscopy, fourier transform infra red and X-ray diffraction analysis, respectively after pretreatment. Total reducing sugar released during enzymatic saccharication of pretreated substrates was also evaluated. Among the pretreatment methods, alkali (1 % NaOH) treated substrate showed high recovery of acid perceptible polymerised lignin (7.53 0.5 mg/g) and signicantly higher amount of reducing sugar (513.1 41.0 mg/gds) compared to uninoculated Parthenium (163.4 21.2) after 48 h of hydrolysis. This is the rst report of lignolytic enzyme production from M. palmivorus, prevalent in oil palm plantations in Malaysia and its application in biological delignication of Parthenium sp. Alkali (1 % NaOH) treatment proves to be the suitable method of pretreatment for lignin recovery and enhanced yield of reducing sugar which may be used for bioethanol production from Parthenium sp.
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Date 2021-10-14T10:52:50Z
2021-10-14T10:52:50Z
2014-01-01
 
Type Research Paper
 
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http://krishi.icar.gov.in/jspui/handle/123456789/65735
 
Language English
 
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