scholarly journals Microwave-Assisted Alkali Pre-Treatment, Densification and Enzymatic Saccharification of Canola Straw and Oat Hull

2017 ◽  
Vol 4 (4) ◽  
pp. 25 ◽  
Author(s):  
Obiora Agu ◽  
Lope Tabil ◽  
Tim Dumonceaux
Keyword(s):  
Enzymatic Saccharification ◽  
Microwave Assisted ◽  
Pre Treatment ◽  
Canola Straw

scholarly journals Improving enzymatic saccharification of cassava stem using peroxide and microwave assisted pre-treatment techniques

2017 ◽  
Vol 23 (3) ◽  
pp. 357-366 ◽  
Author(s):  
A. Sudha ◽  
V. Sivakumar ◽  
V. Sangeetha ◽  
Devi Priyenka
Keyword(s):  
Chemical Structure ◽  
Treatment Time ◽  
Enzymatic Saccharification ◽  
Spectral Studies ◽  
Ahp Method ◽  
Treatment Methods ◽  
Microwave Assisted ◽  
Treatment Techniques ◽  
Pre Treatment ◽  
Cassava Stem

The effectiveness of microwave assisted alkali (MAA) and alkaline hydrogen peroxide (AHP) pre-treatment methods in improving the enzymatic saccharification of cassava stem was investigated. Ground cassava stems were by MAA method by varying microwave power, NaOH concentration and pre-treatment time. AHP method was performed at various H2O2 concentrations, pre-treatment temperatures and times. The results showed that reducing sugar yield was higher from MAA pretreated stem when compared with AHP pre-treatment, which demonstrated that MAA pre-treatment was effective in releasing sugars. SEM studies on the pre-treated samples revealed extensive distortion of fibres in MAA pre-treated than AHP pre-treated samples, which showed pores and cracks in the fibrous structure. Spectral studies showed the change in the chemical structure of pre-treated samples. The work revealed that the studied pre-treatment methods were effective in improving the enzymatic saccharification of cassava stem.

scholarly journals Enzymatic Saccharification of Canola Straw and Oat Hull Subjected to Microwave-Assisted Alkali Pretreatment

2021 ◽  
Author(s):  
Obiora Samuel Agu ◽  
Lope G. Tabil ◽  
Tim Dumonceaux
Keyword(s):  
Alkali Treatment ◽  
Enzymatic Saccharification ◽  
Sem Analysis ◽  
Cellulolytic Enzyme ◽  
Hammer Mill ◽  
Alkali Pretreatment ◽  
Microwave Assisted ◽  
Alkali Solutions ◽  
Specific Barriers ◽  
Canola Straw

Pretreatment of lignocellulosic biomass is a critical step in removing substrate-specific barriers to the cellulolytic enzyme attack. The study compared the effectiveness of microwave-assisted alkali pretreatment and alkali treatment in the enzymatic saccharification of canola straw and oat hull. Microwave pretreatments were employed by immersing the biomass in dilute alkali solutions (NaOH and KOH) at concentrations of 0, 0.75, and 1.5% (w/v) for microwave-assisted heating times of 6, 12, and 18 min. Alkali treatments were carried out using the same procedure but by soaking and without microwave heating. The highest glucose yields after enzymatic saccharification of both canola straw and oat hull were obtained when these feedstocks were ground using 1.6 mm hammer mill screen size and subjected to microwave-assisted alkali pretreatment using 1.5% and 0.75% NaOH for 18 min, respectively. SEM analysis indicated a more significant modification in the structure of biomass samples subjected to microwave-assisted alkali pretreatment compared to untreated and alkali-treated biomass samples. Results indicated that microwave-assisted alkali pretreatment with short residence time is effective in improving the glucose yield of canola straw and oat hull during enzymatic saccharification.

scholarly journals Optimization of oxalic acid pre-treatment and enzymatic saccharification in Typha latifolia for production of reducing sugar

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Sunil Kodishetty Ramaiah ◽  
Girisha Shringala Thimappa ◽  
Lokesh Kyathasandra Nataraj ◽  
Proteek Dasgupta
Keyword(s):  
Oxalic Acid ◽  
Enzymatic Saccharification ◽  
Typha Latifolia ◽  
Reducing Sugar ◽  
Pre Treatment

Effect of Static High Electric Field Pre-Treatment on Microwave-Assisted Drying of Potato Slices

2013 ◽  
Vol 31 (16) ◽  
pp. 1960-1968 ◽  
Author(s):  
Ashutosh Singh ◽  
Gopu Raveendran Nair ◽  
Jamshid Rahimi ◽  
Yvan Gariepy ◽  
Vijaya Raghavan
Keyword(s):  
Electric Field ◽  
High Electric Field ◽  
Microwave Assisted ◽  
Pre Treatment ◽  
Potato Slices

scholarly journals Antioxidative Peptides Derived from Enzyme Hydrolysis of Bone Collagen after Microwave Assisted Acid Pre-Treatment and Nitrogen Protection

2010 ◽  
Vol 11 (11) ◽  
pp. 4297-4308 ◽  
Author(s):  
Yun-Jian Lin ◽  
Guo-Wei Le ◽  
Jie-Yun Wang ◽  
Ya-Xin Li ◽  
Yong-Hui Shi ◽  
...  
Keyword(s):  
Enzyme Hydrolysis ◽  
Bone Collagen ◽  
Microwave Assisted ◽  
Pre Treatment ◽  
Hydrolysis Of

scholarly journals Optimization of Ultrasonic-Microwave Assisted Extraction and Hepatoprotective Activities of Polysaccharides from Trametes orientalis

Molecules ◽  
2019 ◽  
Vol 24 (1) ◽  
pp. 147 ◽  
Author(s):  
Yi Zheng ◽  
Jue Cui ◽  
An-Hui Chen ◽  
Zhi-Min Zong ◽  
Xian-Yong Wei
Keyword(s):  
Elevated Serum ◽  
Alcohol Exposure ◽  
Raw Material ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Injury Model ◽  
Tnf Α ◽  
Pre Treatment ◽  
Factor Α

Ultrasonic-microwave assisted extraction (UMAE) of Trametes orientalis polysaccharides was optimized by response surface methodology. Hepatoprotective effects of a purified T. orientalis polysaccharide (TOP-2) were evaluated by alcohol-induced liver injury model mice. The optimal UMAE parameters were indicated as below: ratio of water to raw material 28 mL/g, microwave power 114 W, extraction time 11 min. The polysaccharides yield was 7.52 ± 0.12%, which was well consistent with the predicted value of 7.54%. Pre-treatment with TOP-2 effectively increased the liver index and spleen index in alcohol-treated mice. The elevated serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels of mice after alcohol exposure were inhibited by TOP-2 administration. The liver tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) levels have decreased significantly as a result of alcohol exposure, while pre-treatment with TOP-2 could mitigate these consequences. Furthermore, pre-treatment with TOP-2 could efficiently boost the superoxidase dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) activities, and observably constrain the malondialdehyde (MDA) level. The findings suggest that TOP-2 might be useful for alleviating the alcohol-induced hepatotoxicity via its antioxidant and anti-inflammatory potential.

Short duration microwave assisted pretreatment enhances the enzymatic saccharification and fermentable sugar yield from sugarcane bagasse

2012 ◽  
Vol 37 (1) ◽  
pp. 109-116 ◽  
Author(s):  
Parameswaran Binod ◽  
Karri Satyanagalakshmi ◽  
Raveendran Sindhu ◽  
Kanakambaran Usha Janu ◽  
Rajeev K. Sukumaran ◽  
...  
Keyword(s):  
Short Duration ◽  
Sugarcane Bagasse ◽  
Enzymatic Saccharification ◽  
Sugar Yield ◽  
Fermentable Sugar ◽  
Microwave Assisted
Sign in / Sign up

Export Citation Format

Share Document