Bioconversion of organic wastes into value-added products: A review

Chavan, Shraddha; Yadav, Bhoomika; Atmakuri, Anusha; Tyagi, R. D.; Wong, Jonathan W.C.; Drogui, Patrick

doi:10.1016/j.biortech.2021.126398

Cited by 97 publications

(24 citation statements)

References 125 publications

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“…Organic waste is generated in various sectors and presents a significant challenge for waste management systems worldwide. Among the various types of organic waste, agricultural waste (AW), food waste (FW), and municipal solid waste (MSW) are notable examples, exhibiting traits such as high abundance, diverse origins, and ample organic content. , The composition and characteristics of organic waste can vary based on the practices of waste generation and disposal, and can be quantified through various physicochemical parameters, including pH, chemical oxygen demand (COD), total solids (TS), volatile solids (VS), TS/VS ratio, carbon to nitrogen (C/N) ratio, organic composition, and trace elements. , Table presents a selection of physicochemical properties for different organic wastes sourced from various regions globally.…”

Section: Overview Of Organic Waste Managementmentioning

confidence: 99%

Transforming Organic Solid Waste Management: Embracing Humification for Sustainable Resource Recovery

Bian,

Boguta,

Huang

et al. 2024

ACS Sustainable Resour. Manage.

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The paper provides an overview of the potential use of humic substances (HS) derived from organic waste in transforming waste management practices. It discusses various types of organic waste, the production methods of HS, and their applications in agriculture, environmental remediation, and industry. The Perspective emphasizes the transformative potential of HS in reshaping organic waste management practices, highlighting improved soil fertility, mitigation of soil degradation, and immobilization of pollutants in soil and water systems. Additionally, it explores the economic viability of HS-based waste management and potential revenue streams from value-added products derived from HS. The paper also addresses environmental and regulatory considerations, emphasizing the importance of comprehensive regulatory frameworks, international policy and regulatory support, and continuous monitoring and evaluation of waste management practices. By integrating HS-based waste management into circular economy models, the paper suggests that it can contribute to resource conservation, nutrient recycling, and the development of a bio-based economy. Overall, the utilization of HS in organic waste management has the potential to revolutionize the field and contribute to sustainable resource recovery. The paper suggests that future research should continue to explore the quantifiable benefits of integrating HS into organic waste management, ultimately contributing to a more sustainable and efficient waste management system.

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Section: Overview Of Organic Waste Managementmentioning

confidence: 99%

Transforming Organic Solid Waste Management: Embracing Humification for Sustainable Resource Recovery

Bian,

Boguta,

Huang

et al. 2024

ACS Sustainable Resour. Manage.

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“…Bioconversion of OW into value-added chemicals offers a lot of potential as a replacement for their traditional counterparts. 39 According to the National Research Council (NRC), biobased industrial products would account for significant industrial production, respectively, compared to existing levels for liquid fuels, organic compounds, and materials. 40 The use of biobased products and bioenergy will increase several fold.…”

Section: Bio-based Products and Renewable Energymentioning

confidence: 99%

Bio-based agricultural products: a sustainable alternative to agrochemicals for promoting a circular economy

Priya¹,

Alagumalai²,

Balaji³

et al. 2023

RSC Sustain.

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“…To develop a cost‐effective bioprocess for biovanillin production, it is necessary to identify inexpensive substrates that could be properly integrated with waste utilization and management. Lignocellulosic agro‐wastes are abundant, renewable, sustainable, and possess little economic value, which provides an inexpensive source of many value‐added products (Chavan et al, 2022; Rojas et al, 2022). Employing agro‐wastes rich in ferulic acid, the main precursor of vanillin, as the raw material for cleaner production of vanillin has been a well‐supported way to dispose of and valorize these wastes (Zamzuri & Abd‐Aziz, 2014).…”

Section: Biovanillin Demand and Applicationsmentioning

confidence: 99%

“…The biological/enzymatic methods would be preferable in terms of safety, cost, and environmental impact (Martău et al, 2021). Lignocellulosic agro‐wastes are considered a source of environmental contamination and health problems (Chavan et al, 2022; Rojas et al, 2022). However, they are recalcitrant to biological/enzymatic degradation because they have a sophisticated structure of cellulose (30%–50%), hemicellulose (20%–30%), and lignin (10%–20%); the FA ester linkages between lignin and hemicellulose represent a chemical barrier that limits their accessibility to microbial fibrolytic enzymes (Cheng & Whang, 2022; Sidana & Yadav, 2022).…”

Section: Vanillin Production Utilizing Different Carbon Sourcesmentioning

confidence: 99%

Lactic acid bacteria as a tool for biovanillin production: A review

Mostafa

Hashem

2023

Biotech & Bioengineering

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Vanilla is the most commonly used natural flavoring agent in industries like food, flavoring, medicine, and fragrance. Vanillin can be obtained naturally, chemically, or through a biotechnological process. However, the yield from vanilla pods is low and does not meet market demand, and the use of vanillin produced by chemical synthesis is restricted in the food and pharmaceutical industries. As a result, the biotechnological process is the most efficient and cost-effective method for producing vanillin with consumer-demanding properties while also supporting industrial applications. Toxin-free biovanillin production, based on renewable sources such as industrial wastes or by-products, is a promising approach. In addition, only natural-labeled vanillin is approved for use in the food industry.Accordingly, this review focuses on biovanillin production from lactic acid bacteria (LAB), which is generally recognized as safe (GRAS), and the cost-cutting efforts that are utilized to improve the efficiency of biotransformation of inexpensive and readily available sources. LABs can utilize agro-wastes rich in ferulic acid to produce ferulic acid, which is then employed in vanillin production via fermentation, and various efforts have been applied to enhance the vanillin titer. However, different designs, such as response surface methods, using immobilized cells or pure enzymes for the spontaneous release of vanillin, are strongly advised.

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Bioconversion of organic wastes into value-added products: A review

Cited by 97 publications

References 125 publications

Transforming Organic Solid Waste Management: Embracing Humification for Sustainable Resource Recovery

Transforming Organic Solid Waste Management: Embracing Humification for Sustainable Resource Recovery

Bio-based agricultural products: a sustainable alternative to agrochemicals for promoting a circular economy

Lactic acid bacteria as a tool for biovanillin production: A review

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