Fuente: WIPO "tomato" The present disclosure discloses a viscose-based biofiber containing an active antioxidant component. The viscose-based biofiber is prepared by reacting following raw materials in parts by weight: 20-24 parts of a Covalent Organic Frameworks (COFs) carrier, 5-8 parts of a plant-derived active antioxidant component, 200-240 parts of a spinning stock solution, 2-4 parts of sodium dodecyl sulfate, 2-4 parts of glyceryl monooleate, 3-5 parts of cyclodextrin, 2-4 parts of titanium dioxide, and 3-5 parts of a silane coupling agent.