Comprehensive characterization of walnut oil processing by-products: biochemical composition, bioactive properties, and polyphenol in vitro bioaccessibility and bioavailability - Rafael Mascoloti Spréa; Daniele Bobrowski Rodrigues; Tânia C.S. Pires; Ricardo C. Calhelha; María E. Brassesco; Manuela Pintado; Susana Santoyo; Elena Arranz; Miguel A. Prieto; Lillian Barros; Joana S. Amaral (Food Chemistry, 2026)