scholarly journals Synergistic effects of pH and organosolv lignin addition on the enzymatic hydrolysis of organosolv-pretreated loblolly pine

RSC Advances ◽  
2018 ◽  
Vol 8 (25) ◽  
pp. 13835-13841 ◽  
Author(s):  
Chenhuan Lai ◽  
Maobing Tu ◽  
Qiang Yong ◽  
Shiyuan Yu

The effect of ethanol organosolv lignin (EOL) on enzymatic hydrolysis was examined at pH 4.8–6.0.

2018 ◽  
Vol 122 ◽  
pp. 617-626 ◽  
Author(s):  
Masniroszaime Md Zain ◽  
Abdul Wahab Mohammad ◽  
Shuhaida Harun ◽  
Nurul Aina Fauzi ◽  
Nur Hanis Hayati Hairom

2017 ◽  
Vol 5 (2) ◽  
pp. 1721-1729 ◽  
Author(s):  
Kai Wu ◽  
Zhengjun Shi ◽  
Haiyan Yang ◽  
Zhengdiao Liao ◽  
Jing Yang

BioResources ◽  
2020 ◽  
Vol 15 (4) ◽  
pp. 8909-8924
Author(s):  
Yang Huang ◽  
Chenhuan Lai ◽  
Shaolong Sun ◽  
Qiang Yong ◽  
Brian K. Via ◽  
...  

Lignin plays a crucial role in enzymatic hydrolysis of lignocellulosic biomass. To evaluate the correlation between lignin properties and its effects on enzymatic hydrolysis, five organosolv lignins (OLs) were isolated from woody biomass, and their physico-chemical properties and structural features were characterized. The effects of OL addition on enzymatic hydrolysis of microcrystalline cellulose (pure cellulose) were assessed first, which showed their disparate effects. The addition of three OLs increased the 72 h hydrolysis yield by 7.4% to 10.1%, while the addition of other two OLs reduced the 72 h hydrolysis yield by 3.2% to 20.4%. A strong correlation between the enzyme distribution coefficient on lignins and the 72 h hydrolysis yields indicated that the enzyme-lignin interaction played a significant role in determining the lignin effects. More importantly, a correlation between lignin properties (hydrophobicity, zeta potential, and particle size) and the enzyme distribution coefficient was established. Identifying the key lignin properties will give insights to reduce the lignin inhibition by altering the lignin properties, thereby promoting enzymatic hydrolysis of lignocellulose.


RSC Advances ◽  
2018 ◽  
Vol 8 (54) ◽  
pp. 30725-30731 ◽  
Author(s):  
Chao Huang ◽  
Cheng Zhao ◽  
Hailong Li ◽  
Lian Xiong ◽  
Xuefang Chen ◽  
...  

The synergistic effects between cellulase and xylanase were substrate and time specific during the hydrolysis of pretreated SCB.


2013 ◽  
Vol 61 (3) ◽  
pp. 646-654 ◽  
Author(s):  
Mi Li ◽  
Maobing Tu ◽  
Dongxu Cao ◽  
Patrick Bass ◽  
Sushil Adhikari

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