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Amaro Bittencourt G, Porto de Souza Vandenberghe L, Valladares-Diestra K, Wedderhoff Herrmann L, Fátima Murawski de Mello A, Sarmiento Vásquez Z, Grace Karp S, Ricardo Soccol C. Soybean hulls as carbohydrate feedstock for medium to high-value biomolecule production in biorefineries: A review. BIORESOURCE TECHNOLOGY 2021; 339:125594. [PMID: 34311407 DOI: 10.1016/j.biortech.2021.125594] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 06/13/2023]
Abstract
Soybean is one of the major world crops, with an annual production of 359 million tons. Each ton of processed soybean generates 50-80 kg of soybean hulls (SHs), representing 5-8% of the whole seed. Due to environmental concerns and great economic potential, the search of SHs re-use solutions are deeply discussed. The lignocellulosic composition of SHs has attracted the attention of the scientific and productive sector. Recently, some studies have reported the use of SHs in the production of medium to high value-added molecules, with potential applications in food and feed, agriculture, bioenergy, and other segments. This review presents biotechnological approaches and processes for the management and exploitation of SHs, including pre-treatment methods and fermentation techniques, for the production of different biomolecules. Great potentialities and innovations were found concerning SH exploration and valorisation of the soybean chain under a biorefinery and circular bioeconomy optic.
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Affiliation(s)
- Gustavo Amaro Bittencourt
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Luciana Porto de Souza Vandenberghe
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil.
| | - Kim Valladares-Diestra
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Leonardo Wedderhoff Herrmann
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Ariane Fátima Murawski de Mello
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Zulma Sarmiento Vásquez
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Susan Grace Karp
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
| | - Carlos Ricardo Soccol
- Federal University of Paraná, Department of Bioprocess Engineering and Biotechnology, Centro Politécnico, 81531-980 Curitiba, Paraná, Brazil
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