Sugarcane bagasse into value-added products: a review

Shabbirahmed, Asma Musfira; Haldar, Dibyajyoti; Dey, Pinaki; Patel, Anil Kumar; Singhania, Reeta Rani; Dong, Cheng–Di; Purkait, Mihir Kumar

doi:10.1007/s11356-022-21889-1

Cited by 30 publications

(11 citation statements)

References 187 publications

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“…The dried sugarcane bagasse mainly comprises 43.5% glucan, 27.9% xylan, 23.8% lignin, and 2.1% ash content. Generally, 1,000 g sugarcane bagasse with sizes of 40–120 mesh was mixed with 10 L 10% (w/v) NaOH in a 15-L stainless steel rotary pot, and the alkaline treatment was conducted at 120°C for 1 h; the mixture was filtered after alkaline treatment and the pH was adjusted to 5 by adding H 2 SO 4 ( 27 ). The xylan was then precipitated with an equal volume of 95% ethanol (v/v).…”

Section: Methodsmentioning

confidence: 99%

“…The XOS and GluA can be co-prepared as a mixture and applied in feed or food additives. Therefore, GluA was introduced as the acid catalyst to assist the hydrolysis of xylan, which was extracted from sugarcane bagasse, into XOS products ( 27 ). As XOS production was the primary objective of this work, response surface methodology (RSM) was used to optimize the conditions of GluA concentration, reaction temperature, and hydrolysis period ( 28 , 29 ).…”

Section: Introductionmentioning

confidence: 99%

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Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Huang

Zhang²,

Yao³

et al. 2022

Front. Nutr.

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Since the immune-boosting properties as well as the benefit of promoting the growth of gut bacteria, xylooligosaccharides as prebiotics have attracted considerable interest as functional feed additives around the world. A growing number of studies suggest that acidic hydrolysis is the most cost-effective method for treating xylan materials to prepare xylooligosaccharides, and organic acids were proved to be more preferable. Therefore, in this study, glutamic acid, as an edible and nutritive organic acid, was employed as a catalyst for hydrolyzing xylan materials to prepare xylooligosaccharides. Further, xylooligosaccharide yields were optimized using the response surface methodology with central composite designs. Through the response surface methodology, 28.2 g/L xylooligosaccharides with the desirable degree of polymerization (2–4) at a yield of 40.5 % could be achieved using 4.5% glutamic acid at 163°C for 41 min. Overall, the application of glutamic acid as a catalyst could be a potentially cost-effective method for producing xylooligosaccharides.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Huang

Zhang²,

Yao³

et al. 2022

Front. Nutr.

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“…Pretreatment is necessary for accelerating the single-step hydrolysis process and making the cellulose more accessible. Acid-pretreated lignocellulosic material was affected by alkalis such as NaOH or solution [36], which efficiently developed the enzymatic hydrolysis.…”

Section: Effect Of Agitationmentioning

confidence: 99%

Acid–Base Pretreatment and Enzymatic Hydrolysis of Palm Oil Mill Effluent in a Single Reactor System for Production of Fermentable Sugars

Deb

Alam

Rahman

et al. 2023

International Journal of Polymer Science

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Palm oil mill effluent (POME) is one of the main agro-industrial wastewaters in Malaysia. Highly polluting POME is a serious threat to the environment. In recent years, the methods used to treat POME are inefficient and complex in terms of cost or environmental preservation. The main object of this research is to propose a single reactor system (SRS) obtained from POME wastewater discharge as a promising low-cost treatment and high-energy method for harvesting the fermentable sugar by applying acid–base–enzyme pretreatment and hydrolysis of POME by locally produced cellulase enzymes to enhance biofuel production. Several experiments were conducted to produce fermentable sugars through the statistical methods, including the characterization of POME, acid-base pretreatment, and enzymatic hydrolysis process for reducing sugar production. The one-factor-at-a-time (OFAT) results showed that the highest reducing sugar yield, 23.5 mg/mL of POME, was achieved by enzymatic hydrolysis in an SRS without having a separation and purification. Based on OFAT performance, optimization of two factors such as substrate concentration (total suspended solids, TSS %w/v) and enzyme loading (μmol/min) was carried out by applying face-centered central composite design (FCCCD) under the response surface methodology (RSM) to develop a second-order regression model. The optimum reducing sugar production was 26.6 mg/mL (53.14%) with the conditions of 5% w/v, TSS, and 80 μmol/min/mL of the enzyme dose. In addition, the results of this research can be further considered in biofuel production using other wastewaters to enhance biofuel production as well as wastewater treating functions and minimize the negative environmental impacts.

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“…27 As the production of municipal waste increases, 28 the topic of waste recycling and valorisation is crucial for enabling sustainable development. 29 For instance, the recycling of waste from corn stover, 30 oats husks, 31 tire rubber, 32 eggshells, 33 sugarcane processing residue, 34 bamboo 35 and coffee waste 36–38 have been considered as possible pathways to produce various carbon materials. Coffee waste, for example, is characterized by high organic content, in the form of polysaccharides, fatty and amino acids, polyphenols and various minerals.…”

Section: Introductionmentioning

confidence: 99%

N-Doped porous carbons obtained from chitosan and spent coffee as electrocatalysts with tuneable oxygen reduction reaction selectivity for H₂O₂generation

Wittmar,

Vigneswaran,

Ranković

et al. 2023

RSC Adv.

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Sugarcane bagasse into value-added products: a review

Cited by 30 publications

References 187 publications

Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Acid–Base Pretreatment and Enzymatic Hydrolysis of Palm Oil Mill Effluent in a Single Reactor System for Production of Fermentable Sugars

N-Doped porous carbons obtained from chitosan and spent coffee as electrocatalysts with tuneable oxygen reduction reaction selectivity for H₂O₂generation

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Sugarcane bagasse into value-added products: a review

Cited by 30 publications

References 187 publications

Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Glutamic acid assisted hydrolysis strategy for preparing prebiotic xylooligosaccharides

Acid–Base Pretreatment and Enzymatic Hydrolysis of Palm Oil Mill Effluent in a Single Reactor System for Production of Fermentable Sugars

N-Doped porous carbons obtained from chitosan and spent coffee as electrocatalysts with tuneable oxygen reduction reaction selectivity for H2O2generation

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Product

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N-Doped porous carbons obtained from chitosan and spent coffee as electrocatalysts with tuneable oxygen reduction reaction selectivity for H₂O₂generation