ArticleChemistryOpen2026
Multitechnique Physicochemical Characterization of Horse Hoof Trimmings as Sustainable and Untapped Keratin Source.
Article in ChemistryOpen, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
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 elemental characterization are conducted on powdered samples obtained using various approaches. The material exhibited structural features typical of hard α-keratin, with semicrystalline organization and high thermal stability. A relatively high higher heating value (21.9 MJ kg
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