To find out whether antioxidant peptides derived from Pinctada fucata protein in the application under the influence of food additives and light. The scavenging capacities against DPPH,hydroxy free radicals,superoxide anions and soluble protein content(SPC) served as the indexes,we measured its oxidation stability by food materials(Na Cl,sucrose and glucose),concentration of different preservatives(sodium benzoate and potassium sorbate),metal ions(K+,Ca2+,Mg2+,Zn2+和Cu2+) and the influence of illumination. T...