Rockström, J., Edenhofer, O., Gaertner, J. & DeClerck, F. Planet-proofing the global food system. Nat. Food 1, 3–5 (2020).

Article  Google Scholar 

Peydayesh, M., Bagnani, M., Soon, W. L. & Mezzenga, R. Turning food protein waste into sustainable technologies. Chem. Rev. 123, 2112–2154 (2023).

Article  CAS  PubMed  Google Scholar 

Friedlingstein, P. et al. Emerging climate impact on carbon sinks in a consolidated carbon budget. Nature 649, 98–103 (2026).

Article  CAS  PubMed  Google Scholar 

United Nations Department of Economic and Social Affairs. The Sustainable Development Goals Report 2025 (United Nations Statistics Division, 2025).

Swiss Federal Office for the Environment. Switzerland’s Long-Term Climate Strategy (FOEN, 2025).

de Vries, O. M. H., Fekkes, M. P., Wösten, H. A. B. & Wessels, J. G. H. Insoluble hydrophobin complexes in the walls of Schizophyllum commune and other filamentous fungi. Arch. Microbiol. 159, 330–335 (1993).

Article  Google Scholar 

Wessels, J., De Vries, O., Asgeirsdottir, S. & Schuren, F. Hydrophobin genes involved in formation of aerial hyphae and fruit bodies in Schizophyllum. Plant Cell 3, 793–799 (1991).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Pitocchi, R. et al. Evidence of small fungal cysteine-rich proteins acting as biosurfactants and self-assembling into large fibers. Int. J. Mol. Sci. 24, 13843 (2023).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Reger, M., Sekine, T., Okamoto, T. & Hoffmann, H. Unique emulsions based on biotechnically produced hydrophobins. Soft Matter 7, 8248–8257 (2011).

Article  CAS  Google Scholar 

Piscitelli, A. et al. Rapid and ultrasensitive detection of active thrombin based on the Vmh2 hydrophobin fused to a green fluorescent protein. Biosens. Bioelectron. 87, 816–822 (2017).

Article  CAS  PubMed  Google Scholar 

Sorrentino, I., Giardina, P. & Piscitelli, A. Development of a biosensing platform based on a laccase-hydrophobin chimera. Appl. Microbiol. Biotechnol. 103, 3061–3071 (2019).

Article  CAS  PubMed  Google Scholar 

Lo, V. C. et al. Fungal hydrophobin proteins produce self-assembling protein films with diverse structure and chemical stability. Nanomaterials 4, 827–843 (2014).

Article  PubMed  PubMed Central  Google Scholar 

Santhiya, D. et al. Bioinspired deposition of TiO2 thin films induced by hydrophobins. Langmuir 26, 6494–6502 (2010).

Article  CAS  PubMed  Google Scholar 

Roy Goswami, S., Mykolenko, S., Kong, X. & Mezzenga, R. Toughening starch-based bioplastics with soy amyloid fibrils produced from tofu wastewater. ACS Sustain. Chem. Eng. 13, 8068–8077 (2025).

Article  CAS  Google Scholar 

Sun, W., Strässle Zúñiga, S. H., Philippe, V., Rinaldi, L. & Abitbol, T. Mycelium-bound composites from agro-industrial waste for broadband acoustic absorption. Mater. Des. 250, 113591 (2025).

Article  CAS  Google Scholar 

Julià, L. R., Maerkl, S. J. & Stellacci, F. Nature-inspired recycling of a protein mixture into a green fluorescent protein-based hydrogel. RSC Sustain. 2, 2903–2909 (2024).

Article  Google Scholar 

Peydayesh, M. & Bieri, A. L. Circular economy in Swiss food sidestreams: a CO2 footprint analysis. ACS Sustain. Resour. Manage. 2, 581–593 (2025).

Article  CAS  Google Scholar 

Food and Agriculture Organization of the United Nations. International Day of Awareness of Food Loss and Waste. FAO https://www.fao.org/platform-food-loss-waste/flw-events/international-day-food-loss-and-waste/en (2025).

Chua, J.-Y. & Liu, S.-Q. Soy whey: more than just wastewater from tofu and soy protein isolate industry. Trends Food Sci. Technol. 91, 24–32 (2019).

Article  CAS  Google Scholar 

Joint FAO/WHO Food Standards Programme. Revision of the classification of food and feed: request for comments on the revised class C — primary animal feed commodities. FAO https://www.fao.org/fao-who-codexalimentarius/committees/committee/related-circular-letters/en/?committee=CCPR (2020).

Chandran, A. S., Kashyap, P. & Thakur, M. Effect of extraction methods on functional properties of plant proteins: a review. eFood 5, e151 (2024).

Article  Google Scholar 

Tang, J., Yao, D., Xia, S., Cheong, L. & Tu, M. Recent progress in plant-based proteins: From extraction and modification methods to applications in the food industry. Food Chem. X 23, 101540 (2024).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Li, Y. et al. Utilization of tofu wastewater and Nannochloropsis oceanica for eutrophication mitigation and eicosapentaenoic acid valorization: advancing carbon neutrality and resource recycling. Chem. Eng. J. 493, 152706 (2024).

Article  CAS  Google Scholar 

Bagnani, M. et al. From soy waste to bioplastics: industrial proof of concept. Biomacromolecules 25, 2033–2040 (2024).

Article  CAS  PubMed  Google Scholar 

Mykolenko, S. & Mezzenga, R. Sustainable protein and amyloid fibrils production from tofu wastewater. Food Hydrocoll. 163, 111072 (2025).

Article  CAS  Google Scholar 

Kwan, A. H. Y. et al. Structural basis for rodlet assembly in fungal hydrophobins. Proc. Natl Acad. Sci. USA 103, 3621–3626 (2006).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Scholtmeijer, K., de Vocht, M. L., Rink, R., Robillard, G. T. & Wösten, H. A. B. Assembly of the fungal SC3 hydrophobin into functional amyloid fibrils depends on its concentration and is promoted by cell wall polysaccharides. J. Biol. Chem. 284, 26309–26314 (2009).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Erjavec, J., Kos, J., Ravnikar, M., Dreo, T. & Sabotič, J. Proteins of higher fungi — from forest to application. Trends Biotechnol. 30, 259–273 (2012).

Article  CAS  PubMed  Google Scholar 

McClements, D. J. Food Emulsions: Principles, Practices, and Techniques 2nd edn (CRC, 2004).

Li, B., Qiao, M. & Lu, F. Composition, nutrition, and utilization of okara (soybean residue). Food Rev. Int. 28, 231–252 (2012).

Article  Google Scholar 

Mussatto, S. I. Brewer’s spent grain: a valuable feedstock for industrial applications. J. Sci. Food Agric. 94, 1264–1275 (2014).

Article  CAS  PubMed  Google Scholar 

Proaño, J. L., Salgado, P. R., Cian, R. E., Mauri, A. N. & Drago, S. R. Physical, structural and antioxidant properties of brewer’s spent grain protein films. J. Sci. Food Agric. 100, 5458–5465 (2020).

Article  PubMed  Google Scholar 

Chandrasekar, C. M., Krishnamachari, H., Farris, S. & Romano, D. Development and characterization of starch-based bioactive thermoplastic packaging films derived from banana peels. Carbohydr. Polym. Technol. Appl. 5, 100328 (2023).

CAS  Google Scholar 

Abdulmunem, A. R. et al. Waste chicken feathers integrated with phase change materials as new inner insulation envelope for buildings. J. Energy Storage 56, 106130 (2022).

Article  Google Scholar 

Vähä-Nissi, M., Lahtinen, P., Nuutinen, E., Kaljunen, T. & Pöhler, T. Films from an aqueous suspension of alkaline pretreated and fine milled chicken feathers. Mater. Sci. Appl. 11, 27–43 (2020).

Google Scholar 

Bettelli, M. A. et al. Effects of multi-functional additives during foam extrusion of wheat gluten materials. Commun. Chem. 7, 75 (2024).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Salgado, P. R., Schmidt, V. C., Molina Ortiz, S. E., Mauri, A. N. & Laurindo, J. B. Biodegradable foams based on cassava starch, sunflower proteins and cellulose fibers obtained by a baking process. J. Food Eng. 85, 435–443 (2008).

Article  CAS  Google Scholar 

Li, T., Kambanis, J., Sorenson, T. L., Sunde, M. & Shen, Y. From fundamental amyloid protein self-assembly to development of bioplastics. Biomacromolecules 25, 5–23 (2024).

Article  PubMed  Google Scholar 

Bagnani, M. et al. Rapeseed cake valorization into bioplastics based on protein amyloid fibrils. Adv. Mater. Technol. 8, 2200932 (2023).

Article