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Schematic diagram for the protective effects of purple sweet potato color (PSPC) against D‐galactose (D‐gal)‐induced neurotoxicity. Abbreviations: AGEs = advanced glycation end‐products; RAGE = AGE receptor; CAT = catalase; Bad = Bcl‐2‐associated death protein; Cu,Zn‐SOD = Cu,Zn‐superoxide dismutase; PI3K = phosphoinositide 3‐kinase; ROS = reactive oxygen species; JNK = c‐Jun NH2‐terminal kinase; MAPK = mitogen‐activated protein kinase.
