Fig. 8

ROS scavenging network of the α-tocopherol-ascorbate-glutathione triad of the upper translucent part and the bottom chalky part. 05, 10, 15, and 20, days after anthesis. Red and green indicate p ≤ 0.05. Refer to Additional file 1: Table S1 for detailed information of the changes of these metabolites. APX ascorbate peroxidase, Asc ascorbate, DHA dehydroascorbate, DHAR dehydroascorbate reductase, GPX glutathione peroxidase, GR glutathione reductase, GSH reduced glutathione, GSSG oxidized glutathione, MDAR monodehydroascorbate reductase, MDHA monodehydroascorbate