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ChemistryOpen

Multitechnique Physicochemical Characterization of Horse Hoof Trimmings as Sustainable and Untapped Keratin Source.
ChemistryOpen    September 21, 2026   Volume 15, Issue 10 e70300 doi: 10.1002/open.70300
Trigueros E, Magnaghi LR, Vita L, Doveri LR, Sturini M, Milanese C, Biesuz R.In the keratin-rich biomass scenario, horse hoof trimmings play a marginal role due to the limited volume and the scarce background on material features, despite added values such as cruelty-free, localized and routine production and traceability. This work presents a multitechnique characterization of horse hooves, including physicochemical, structural, thermal, and compositional analysis, providing a solid background knowledge of material features, mandatory for upcycling strategy definition. FT-IR, Raman spectroscopy, X-ray powder diffraction, SEM-EDX, thermogravimetric analysis, and elemen...