Original ResearchPublished 5 October 2026Resource-efficient use of industrial residue for multifunctional cacao nanofibersLinn Berglund · Io Antonopoulou · Luísa R. Völtz · Pooja Dixit · Carlos Martín · Ola Sundman · Jenny Berg · Kristiina OksmanFrontiers in Bioengineering and Biotechnologydoi 10.3389/fbioe.2026.1916485