Duban VilladiegoLibia L. JulioLuis Armando EspitiaAndrés F. JaramilloCarolina Jiménez-ArgumedoMaría Tavera-QuirozArlet P. Franco2026-03-222026-03-22202610.1007/s11696-026-04678-9https://doi.org/10.1007/s11696-026-04678-9https://andeanlibrary.org/handle/123456789/79701enKeratinExtraction (chemistry)HydrolysateRaw materialChemistryChromatographyPython (programming language)Chemical engineeringPulp and paper industryMaterials scienceValorization of cattle horns and hooves: optimization of the keratin extraction processarticle