Effective enzymatic saccharification of dilute NaOH extraction of chestnut shell pretreated by acidified aqueous ethylene glycol media

He, Yiming; Liu, Feng; Di, Junhua; Ding, Yun; Zhu, Zhou‐Hao; Wu, Yinqi; Liang, Chen; Wang, Cheng; Xue, Yufeng; Chong, Gang-Gang; Ma, Cuiluan

doi:10.1016/j.indcrop.2015.11.079

Cited by 46 publications

(6 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Removal of lignin and hemicellulose during the pretreatment of lignocellulosic biomass was crucial to allow an increase of cellulose surface accessibility for enzymatic hydrolysis . As such, DESs could be used as solvents to pretreat the lignocellulosic biomass for improving the subsequent enzymatic saccharification into soluble sugars. , After pretreatment, four sets of solid samples, namely, raw OPF, OPF pretreated with ChCl:urea, ChCl:MgCl 2 ·6H 2 O, and ChCl:CaCl 2 ·6H 2 O were subjected to enzymatic hydrolysis.…”

Section: Resultsmentioning

confidence: 99%

“…Removal of lignin and hemicellulose during the pretreatment of lignocellulosic biomass was crucial to allow an increase of cellulose surface accessibility for enzymatic hydrolysis. 50 As such, DESs could be used as As a result, all pretreated OPF allowed better enzymatic accessibility for hydrolysis as compared to the untreated sample. This claim was proven as the glucose (Figure 2a) and total reducing sugar (TRS; Figure 2b) yield in all the pretreated OPF samples were significantly higher than the raw OPF.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

A Utilization of Choline Chloride-Based Deep Eutectic Solvent Integrated with Alkaline Earth Metal Hexahydrate in the Pretreatment of Oil Palm Fronds

New

Voon

et al. 2021

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

Over the past decade, deep eutectic solvents (DESs) have been touted as promising reagents in biomass valorization. This study focused on the novel utilization of type II choline chloride (ChCl)-based DESs by integrating group II metal chloride hexahydrate, namely, calcium chloride hexahydrate (CaCl2·6H2O) and magnesium chloride hexahydrate (MgCl2·6H2O) as the hydrogen bond donors for the pretreatment of oil palm fronds (OPF). Under atmospheric conditions, pretreatment with ChCl:CaCl2·6H2O (125 °C and 4.5 h) resulted in dual biomass valorization effects with a delignification of 46.51%, followed by xylose recovery and xylan removal at 54.12% and 78.67%, respectively. Such performance of ChCl:CaCl2·6H2O as a pretreatment solvent expedited the enzymatic glucose (59.31%) and total reducing sugar (63.89%) conversion in the OPF at a subsequent stage. Thus, the characterizations of pretreated OPF samples endorsed the application of type II ChCl-based DESs, particularly, ChCl:CaCl2·6H2O as a propitious approach for ligno-hemicellulose removal in pretreatment.

show abstract

Section: Resultsmentioning

confidence: 99%

“…Removal of lignin and hemicellulose during the pretreatment of lignocellulosic biomass was crucial to allow an increase of cellulose surface accessibility for enzymatic hydrolysis. 50 As such, DESs could be used as As a result, all pretreated OPF allowed better enzymatic accessibility for hydrolysis as compared to the untreated sample. This claim was proven as the glucose (Figure 2a) and total reducing sugar (TRS; Figure 2b) yield in all the pretreated OPF samples were significantly higher than the raw OPF.…”

Section: Resultsmentioning

confidence: 99%

A Utilization of Choline Chloride-Based Deep Eutectic Solvent Integrated with Alkaline Earth Metal Hexahydrate in the Pretreatment of Oil Palm Fronds

New

Voon

et al. 2021

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

show abstract

“…Like other lignocellulosic substrate, the hydrolyzability of the original TOFH is very poor, hence a low enzymatic hydrolysis even with a high cellulase loading, because of the recalcitrant structure [26, 28, 29]. The substrates undergoing AAO-/AHP-based pretreatment have presented an improved hydrolyzability to a different extent depending on the substrate variety, pretreatment process, hydrolytic enzymes, and hydrolytic conditions [14, 15, 22, 26].…”

Section: Resultsmentioning

confidence: 99%

Bioprocessing of tea oil fruit hull with acetic acid organosolv pretreatment in combination with alkaline H2O2

Tang

Liu²,

Sun

et al. 2017

Biotechnol Biofuels

View full text Add to dashboard Cite

BackgroundAs a natural renewable biomass, the tea oil fruit hull (TOFH) mainly consists of lignocellulose, together with some bioactive substances. Our earlier work constructed a two-stage solvent-based process, including one aqueous ethanol organosolv extraction and an atmospheric glycerol organosolv (AGO) pretreatment, for bioprocessing of the TOFH into diverse bioproducts. However, the AGO pretreatment is not as selective as expected in removing the lignin from TOFH, resulting in the limited delignification and simultaneously high cellulose loss.ResultsIn this study, acetic acid organosolv (AAO) pretreatment was optimized with experimental design to fractionate the TOFH selectively. Alkaline hydrogen peroxide (AHP) pretreatment was used for further delignification. Results indicate that the AAO–AHP pretreatment had an extremely good selectivity at component fractionation, resulting in 92% delignification and 88% hemicellulose removal, with 87% cellulose retention. The pretreated substrate presented a remarkable enzymatic hydrolysis of 85% for 48 h at a low cellulase loading of 3 FPU/g dry mass. The hydrolyzability was correlated with the composition and structure of substrates by using scanning electron microscopy, confocal laser scanning microscopy, and X-ray diffraction.ConclusionThe mild AAO–AHP pretreatment is an environmentally benign and advantageous scheme for biorefinery of the agroforestry biomass into value-added bioproducts.Electronic supplementary materialThe online version of this article (doi:10.1186/s13068-017-0777-1) contains supplementary material, which is available to authorized users.

show abstract

“…For centuries, chestnuts have been a primary nutritional resource for native communities in many areas of Asia, North America, and Europe. In particular, China and South Korea are the world's leading producers of chestnuts (Maurelli et al, 2013;He et al 2016). The hard outer shells and thin inner shells are removed to obtain the edible starchy fruit.…”

Section: Introductionmentioning

confidence: 99%

Sustainable functional finishing for cotton fabrics using chestnut shell extract

Hong

2021

Cellulose

View full text Add to dashboard Cite

Owing to global environmental concerns, sustainable industrial processes have become a topic of signi cant importance in various elds. Chestnut shells are byproducts of agricultural and food industries; however, they include various health-bene cial compounds such as polyphenols and avonoids. In this study, the feasibility of using chestnut shell extract as a natural functional agent for textile nishing processes was investigated. The chestnut shell extract was prepared by boiling the inner and outer shells of chestnut in distilled water for 4 h. Subsequently, the extract was ltered, centrifuged, concentrated, and nally dried into powder form using a freeze dryer. The extract was then dissolved in distilled water at different concentrations and applied to cotton fabrics through a pad-dry-cure process.The nished cotton fabrics were investigated by scanning electron microscope, Fourier-transform infrared spectroscopy, etc. In addition, the antibacterial and antioxidant properties of the nished cotton fabrics were examined as functional properties. The results showed that the cotton fabrics nished by chestnut shell extract exhibited signi cant antibacterial, antioxidant, and deodorant properties when the concentration of the chestnut shell extract was above 10 wt% in the nishing bath.

show abstract

Effective enzymatic saccharification of dilute NaOH extraction of chestnut shell pretreated by acidified aqueous ethylene glycol media

Cited by 46 publications

References 52 publications

A Utilization of Choline Chloride-Based Deep Eutectic Solvent Integrated with Alkaline Earth Metal Hexahydrate in the Pretreatment of Oil Palm Fronds

A Utilization of Choline Chloride-Based Deep Eutectic Solvent Integrated with Alkaline Earth Metal Hexahydrate in the Pretreatment of Oil Palm Fronds

Bioprocessing of tea oil fruit hull with acetic acid organosolv pretreatment in combination with alkaline H2O2

Sustainable functional finishing for cotton fabrics using chestnut shell extract

Contact Info

Product

Resources

About