Glucose hydrogenation to sorbitol over unsupported mesoporous Ni/NiO catalyst

Singh, Himanshu; Rai, Ankita; Yadav, Rajkumar; Sinha, Anil K.

doi:10.1016/j.mcat.2018.01.010

Cited by 69 publications

(52 citation statements)

References 28 publications

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“…Sorbitol can also be obtained through catalytic conversion of several polysaccharides (especially starch) via hydrogenolysis typically on Ni (Figure ). Recent work has reported high conversions of glucose (95 %) to yield 84 wt% sorbitol using a mesoporous Ni/NiO catalyst, which is associated with the acid side density of the catalyst, its high surface area and high acid site availability with low deactivation degree in reusability tests.…”

Section: Catalytic Production Of Platform Chemicals From Lignocellulomentioning

confidence: 99%

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Recent Advances in the Catalytic Production of Platform Chemicals from Holocellulosic Biomass

et al. 2019

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This Review discusses novel catalytic pathways of lignocellulosic biomass to value‐added chemicals including biomass‐derived sugar alcohols, organic acids, furans and biohydrocarbons. These production approaches are undertaken by biological, chemical and thermochemical transformations or a combination of them. Nevertheless, the majority of research in this area is focused on the design of heterogeneous catalysts to convert value‐added products from holocellulosic biomass. Biorefineries represent the peak of biomass processes in order to produce valuable chemicals and liquid fuels avoiding the utilization of corroding and toxic elements. The aim of the present Review is to offer the readers a broad overview of recent holocellulosic‐based chemical and fuels production technologies via heterogeneous catalysis. There is also an overview of the economic aspects to efficiently produce these platform chemicals at industrial scale. To summarize this Review, an outlook and conclusions of the reported processes to date is provided.

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Section: Catalytic Production Of Platform Chemicals From Lignocellulomentioning

confidence: 99%

“…Moreover, Ru has also shown catalytic activity to produce both sorbitol and mannitol from monosaccharides . Ru can also convert cellulose directly into sugar alcohols.…”

Section: Catalytic Production Of Platform Chemicals From Lignocellulomentioning

confidence: 99%

Recent Advances in the Catalytic Production of Platform Chemicals from Holocellulosic Biomass

et al. 2019

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“…The catalytic conversion of biomass to biofuels through different technologies is currently being investigated globally. The thermochemical route is a significant pathway that converts biomass into liquid fuels . Bio‐oils are produced through the pyrolysis route of biomass at a temperature of 550 °C.…”

Section: Why Renewable Sourcesmentioning

confidence: 99%

“…While they are originated from the living sources and biodegradable waste, and life is cyclical, even processed byproducts need not run out. So long as there is something living on earth, it is possible to process living things components and waste products into renewable energy …”

Section: Why Renewable Sourcesmentioning

confidence: 99%

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The Development of Mesoporous Ni‐Based Catalysts and Evaluation of Their Catalytic and Photocatalytic Applications

Kour¹,

Mishra

Sinha

et al. 2020

ChemistrySelect

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Porous Ni‐based catalysts have attracted extensive attention for a wide range of applications in energy production and environmental remediation due to controllable morphology, high dispersion. These properties are mainly governed by a number of parameters such as compositions, synthesis methods, their structural morphology, and surface area. Various efforts have made to develop unsupported template‐assisted catalysts with specific nanostructures and surface properties, a new approach in supramolecular chemistry. This review reports a detailed overview of the development of mesoporous nickel‐based catalysts for energy and environmental applications. This review also looks at recent advancements, synthesis routes for porous nickel‐based catalysts, and comparative study with the reported Ni‐based catalysts. This review addresses numerous characteristic reactions and processes in the utilization of organic wastes, highlighting the significance of developing porous, proficient, and stable Ni‐based catalysts.

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Skincare potential of a sustainable postbiotic extract produced through sugarcane straw fermentation by Saccharomyces cerevisiae

Duarte

Carvalho

et al. 2023

BioFactors

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Postbiotics are defined as a “preparation of inanimate microorganisms and/or their components that confers a health benefit on the host.” They can be produced by fermentation, using culture media with glucose (carbon source), and lactic acid bacteria of the genus Lactobacillus, and/or yeast, mainly Saccharomyces cerevisiae as fermentative microorganisms. Postbiotics comprise different metabolites, and have important biological properties (antioxidant, anti‐inflammatory, etc.), thus their cosmetic application should be considered. During this work, the postbiotics production was carried out by fermentation with sugarcane straw, as a source of carbon and phenolic compounds, and as a sustainable process to obtain bioactive extracts. For the production of postbiotics, a saccharification process was carried out with cellulase at 55°C for 24 h. Fermentation was performed sequentially after saccharification at 30°C, for 72 h, using S. cerevisiae. The cells‐free extract was characterized regarding its composition, antioxidant activity, and skincare potential. Its use was safe at concentrations below ~20 mg mL−1 (extract's dry weight in deionized water) for keratinocytes and ~ 7.5 mg mL−1 for fibroblasts. It showed antioxidant activity, with ABTS IC50 of 1.88 mg mL−1, and inhibited elastase and tyrosinase activities by 83.4% and 42.4%, respectively, at the maximum concentration tested (20 mg mL−1). In addition, it promoted the production of cytokeratin 14, and demonstrated anti‐inflammatory activity at a concentration of 10 mg mL−1. In the skin microbiota of human volunteers, the extract inhibited Cutibacterium acnes and the Malassezia genus. Shortly, postbiotics were successfully produced using sugarcane straw, and showed bioactive properties that potentiate their use in cosmetic/skincare products.

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Glucose hydrogenation to sorbitol over unsupported mesoporous Ni/NiO catalyst

Cited by 69 publications

References 28 publications

Recent Advances in the Catalytic Production of Platform Chemicals from Holocellulosic Biomass

Recent Advances in the Catalytic Production of Platform Chemicals from Holocellulosic Biomass

The Development of Mesoporous Ni‐Based Catalysts and Evaluation of Their Catalytic and Photocatalytic Applications

Skincare potential of a sustainable postbiotic extract produced through sugarcane straw fermentation by Saccharomyces cerevisiae

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