Effects of fermentation conditions on valuable products of ethanolic fungus Mucor indicus

Sharifyazd, Shabnam; Karimi, Keikhosro

doi:10.1016/j.ejbt.2017.09.003

Cited by 14 publications

(10 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although this is a more efficient way of producing fuel compared to fossil fuel sources, the drawback of using first-generation resources is that these products are part of the food supply. The increased demand for first-generation resources negatively affected the availability of food [20][21][22][23][24]. Additionally, first-generation resources require large amounts of fertile land, and most agricultural land is already occupied.…”

Section: Introductionmentioning

confidence: 99%

Feasibility Assessment of a Bioethanol Plant in the Northern Netherlands

et al. 2019

View full text Add to dashboard Cite

Due to the exhaustion and increased pressure regarding the environmental and political aspects of fossil fuels, the industrial focus has switched towards renewable energy resources. Lignocellulosic biowaste can come from several sources, such as industrial waste, agricultural waste, forestry waste, and bioenergy crops and processed into bioethanol via a biochemical pathway. Although much research has been done on the ethanol production from lignocellulosic biomass, the economic viability of a bioethanol plant in the Northern Netherlands is yet unknown, and therefore, examined. In this thesis, the feasibility study of a bioethanol plant treating sugar beet pulp, cow manure, and grass straw is conducted using the simulation software SuperPro Designer. Results show that it is not economically viable to treat the tested lignocellulosic biomass for the production of bioethanol, since all three original cases result in a negative net present value (NPV). An alternative would be to exclude the pretreatment step from the process. Although this results in a lower production of bioethanol per year, the plant treating sugar beet pulp (SBP) and grass straw (GS) becomes economically viable since the costs have significantly decreased.

show abstract

Section: Introductionmentioning

confidence: 99%

Feasibility Assessment of a Bioethanol Plant in the Northern Netherlands

et al. 2019

View full text Add to dashboard Cite

show abstract

“…M. circinelloides was also reported earlier in marcha samples (Tamang et al, 1988;Tamang and Sarkar, 1995). M. indicus, isolated from humao from Assam and phut from Arunachal Pradesh, is a dimorphic and ethanolic fungus which is able to produce ethanol from glucose, mannose, fructose and galactose (Karimi and Zamani, 2013) and oil, protein, and glucosamine (Sharifyazd and Karimi, 2017). Phylogenetic and phylogenomic approaches show that genus Rhizopus has three major clades viz.…”

Section: Discussionmentioning

confidence: 99%

Diversity of Filamentous Fungi Isolated From Some Amylase and Alcohol-Producing Starters of India

Anupma

Tamang

2020

Front. Microbiol.

View full text Add to dashboard Cite

Filamentous fungi are important organisms in traditionally prepared amylase and alcohol-producing dry starters in India. We collected 40 diverse types of amylase and alcohol-producing starters from eight states in North East India viz. marcha, thiat, humao, hamei, chowan, phut, dawdim, and khekhrii. The average fungal population was 4.9 × 10 5 cfu/g with an average of pH 5.3 and 10.7%, respectively. In the present study, 131 fungal isolates were isolated and characterized based on macroscopic and microscopic characteristics and were grouped into 44 representative fungal strains. Based on results of morphological characteristics and ITS gene sequencing, 44 fungal strains were grouped into three phyla represented by Ascomycota (48%), Mucoromycota (38%), and Basidiomycota (14%). Taxonomical keys to species level was illustrated on the basis of morphological characteristics and ITS gene sequencing, aligned to the fungal database of NCBI GenBank, which showed seven genera with 16 species represented by Mucor circinelloides (20%), Aspergillus sydowii (11%), Penicillium chrysogenum (11%), Bjerkandera adusta (11%), Penicillium citrinum (7%), Rhizopus oryzae (7%), Aspergillus niger (5%), Aspergillus flavus (5%), Mucor indicus (5%) Rhizopus microsporus (5%), Rhizopus delemar (2%), Aspergillus versicolor (2%), Penicillium oxalicum (2%), Penicillium polonicum (2%), Trametes hirsuta (2%), and Cladosporium parahalotolerans (2%). The highest Shannon diversity index H was recorded in marcha of Sikkim (H: 1.74) and the lowest in hamei of Manipur (H: 0.69). Fungal species present in these amylolytic starters are morphologically, ecologically and phylogenetically diverse and showed high diversity within the community.

show abstract

“…Besides yeasts and bacteria, filamentous fungi, such as Mucor indicus, Neurospora intermedia, Peniophora cinereal, and Trametes suaveolens, were also tested for ethanol production [81][82][83]. Some of these microorganisms are capable of fermenting both hexoses and pentoses [84][85][86], and since several of these microorganism have the ability of producing both lignocellulolytic enzymes and ethanol, they could be applied for CBP [87][88][89].…”

Section: Ethanologenic Microorganismsmentioning

confidence: 99%

Second Generation Bioethanol Production: On the Use of Pulp and Paper Industry Wastes as Feedstock

2018

View full text Add to dashboard Cite

Due to the health and environment impacts of fossil fuels utilization, biofuels have been investigated as a potential alternative renewable source of energy. Bioethanol is currently the most produced biofuel, mainly of first generation, resulting in food-fuel competition. Second generation bioethanol is produced from lignocellulosic biomass, but a costly and difficult pretreatment is required. The pulp and paper industry has the biggest income of biomass for non-food-chain production, and, simultaneously generates a high amount of residues. According to the circular economy model, these residues, rich in monosaccharides, or even in polysaccharides besides lignin, can be utilized as a proper feedstock for second generation bioethanol production. Biorefineries can be integrated in the existing pulp and paper industrial plants by exploiting the high level of technology and also the infrastructures and logistics that are required to fractionate and handle woody biomass. This would contribute to the diversification of products and the increase of profitability of pulp and paper industry with additional environmental benefits. This work reviews the literature supporting the feasibility of producing ethanol from Kraft pulp, spent sulfite liquor, and pulp and paper sludge, presenting and discussing the practical attempt of biorefineries implementation in pulp and paper mills for bioethanol production.

show abstract

Effects of fermentation conditions on valuable products of ethanolic fungus Mucor indicus

Cited by 14 publications

References 24 publications

Feasibility Assessment of a Bioethanol Plant in the Northern Netherlands

Feasibility Assessment of a Bioethanol Plant in the Northern Netherlands

Diversity of Filamentous Fungi Isolated From Some Amylase and Alcohol-Producing Starters of India

Second Generation Bioethanol Production: On the Use of Pulp and Paper Industry Wastes as Feedstock

Contact Info

Product

Resources

About