▎ 摘　　要

NOVELTY - Deoxidizer comprises 2-4 pts. wt. dried seeds, 50-70 pts. wt. iron powder, 2-5 pts. wt. quaternary ammonium salt of chitosan, 1-3 pts. wt. sodium ascorbate, 0.3-0.6 pt. wt. hollow graphene nanofibers, 4-10 pts. wt. water retaining agent and 8-12 pts. wt. water. USE - As deoxidizer. ADVANTAGE - The deoxidizer has excellent deoxidation effect, large oxygen capacity and long service life per unit weight, is non-toxic, cost-effective and environmentally-friendly, and exhibits synergistic effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method of the deoxidizer, involving firstly pulverizing the above-mentioned raw materials except water, sieving by passing through a 300-500-mesh sieve, uniformly mixing, adding water, continuously stirring uniformly, discharging and sieving, adding to a packaging bag, and storing in a vacuum environment.