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Versatile Green Processing for Recovery of Phenolic Compounds from Natural Product Extracts towards Bioeconomy and Cascade Utilization for Waste Valorization on the Example of Cocoa Bean Shell (CBS)

Author

Listed:
  • Christoph Jensch

    (Institute for Separation and Process Technology, Clausthal University of Technology, Leibnizstr. 15, 38678 Clausthal-Zellerfeld, Germany)

  • Axel Schmidt

    (Institute for Separation and Process Technology, Clausthal University of Technology, Leibnizstr. 15, 38678 Clausthal-Zellerfeld, Germany)

  • Jochen Strube

    (Institute for Separation and Process Technology, Clausthal University of Technology, Leibnizstr. 15, 38678 Clausthal-Zellerfeld, Germany)

Abstract

In the context of bioeconomic research approaches, a cascade use of plant raw materials makes sense in many cases for waste valorization. This not only guarantees that the raw material is used as completely as possible, but also offers the possibility of using its by-products and residual flows profitably. To make such cascade uses as efficient as possible, efficient and environmentally friendly processes are needed. To exemplify the versatile method, e.g., every year 675,000 metric tons of cocoa bean shell (CBS) accrues as a waste stream in the food processing industry worldwide. A novel green process reaches very high yields of up to 100% in one extraction stage, ensures low consumption of organic solvents due to double usage of ethanol as the only organic solvent, is adaptable enough to capture all kinds of secondary metabolites from hot water extracts and ensures the usage of structural carbohydrates from precipitation. A Design of Experiments (DoE) was conducted to optimize the influence of pH value and phase ratio on the yield and purity of the integrated ethanol/water/salt aqueous-two-phase extraction (ATPS) system.

Suggested Citation

  • Christoph Jensch & Axel Schmidt & Jochen Strube, 2022. "Versatile Green Processing for Recovery of Phenolic Compounds from Natural Product Extracts towards Bioeconomy and Cascade Utilization for Waste Valorization on the Example of Cocoa Bean Shell (CBS)," Sustainability, MDPI, vol. 14(5), pages 1-16, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:5:p:3126-:d:766020
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    References listed on IDEAS

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    1. Veronika Barišić & Antun Jozinović & Ivana Flanjak & Drago Šubarić & Jurislav Babić & Borislav Miličević & Kristina Doko & Đurđica Ačkar, 2020. "Difficulties with Use of Cocoa Bean Shell in Food Production and High Voltage Electrical Discharge as a Possible Solution," Sustainability, MDPI, vol. 12(10), pages 1-11, May.
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    Cited by:

    1. Juan Diego Valenzuela-Cobos & Fabricio Guevara-Viejó & Purificación Vicente-Galindo & Purificación Galindo-Villardón, 2022. "Food Sustainability Study in Ecuador: Using PCA Biplot and GGE Biplot," Sustainability, MDPI, vol. 14(20), pages 1-11, October.
    2. Juan Diego Valenzuela-Cobos & Fabricio Guevara-Viejó & Purificación Vicente-Galindo & Purificación Galindo-Villardón, 2023. "Eco-Friendly Biocontrol of Moniliasis in Ecuadorian Cocoa Using Biplot Techniques," Sustainability, MDPI, vol. 15(5), pages 1-12, February.

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